Isosorbide Dinitrate
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Questions & Answers
Side Effects & Adverse Reactions
Amplification of the vasodilatory effects of isosorbide dinitrate by sildenafil can result in severe hypotension. The time course and dose dependence of this interaction have not been studied. Appropriate supportive care has not been studied, but it seems reasonable to treat this as a nitrate overdose, with elevation of the extremities and with central volume expansion.
The benefits of immediate-release oral isosorbide dinitrate in patients with acute myocardial infarction or congestive heart failure have not been established. If one elects to use isosorbide dinitrate in these conditions, careful clinical or hemodynamic monitoring must be used to avoid the hazards of hypotension and tachycardia. Because the effects of oral isosorbide dinitrate are so difficult to terminate rapidly, this formulation is not recommended in these settings.
Legal Issues
There is currently no legal information available for this drug.
FDA Safety Alerts
There are currently no FDA safety alerts available for this drug.
Manufacturer Warnings
There is currently no manufacturer warning information available for this drug.
FDA Labeling Changes
There are currently no FDA labeling changes available for this drug.
Uses
Isosorbide dinitrate tablets are indicated for the prevention of angina pectoris due to coronary artery disease. The onset of action of immediate-release oral isosorbide dinitrate is not sufficiently rapid for this product to be useful in aborting an acute anginal episode.
History
There is currently no drug history available for this drug.
Other Information
Isosorbide dinitrate, an organic nitrate, is a vasodilator with effects on both arteries and veins. The chemical name for isosorbide dinitrate is 1,4:3,6-dianhydro-D-glucitol 2, 5-dinitrate. The compound has the following structural formula:
| C6H8N208 |
MW 236.14 |
Isosorbide dinitrate is a white, crystalline, odorless compound which is stable in air and in solution, has a melting point of 70°C and has an optical rotation of +134° (c=1.0, alcohol, 20°C). Isosorbide dinitrate is freely soluble in organic solvents such as acetone, alcohol, and ether, but is only sparingly soluble in water.
Isosorbide dinitrate tablets are available for oral administration as 5 mg, 10 mg, 20 mg, or 30 mg tablets.
Each tablet contains the following inactive ingredients: lactose anhydrous, magnesium stearate, microcrystalline cellulose, sodium starch glycolate and stearic acid. In addition, the 20 mg tablet contains D&C Yellow #10, FD&C Blue #1, and FD&C Yellow #6; the 30 mg tablet contains FD&C Blue #1.
Sources
Isosorbide Dinitrate Manufacturers
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Cardinal Health
![Isosorbide Dinitrate Tablet [Cardinal Health]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Isosorbide Dinitrate | Cardinal Health
As noted under "CLINICAL PHARMACOLOGY," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under "CLINICAL PHARMACOLOGY," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Cardinal Health
Isosorbide Dinitrate | Cardinal Health
General Dosing Considerations for Parkinson's Disease and RLS
Ropinirole Tablets can be taken with or without food. Patients may be advised that taking Ropinirole Tablets with food may reduce the occurrence of nausea. However, this has not been established in controlled clinical trials.
If a significant interruption in therapy with Ropinirole Tablets has occurred, retitration of therapy may be warranted.
Geriatric Use
Pharmacokinetic studies demonstrated a reduced clearance of ropinirole in the elderly (see CLINICAL PHARMACOLOGY). Dose adjustment is not necessary since the dose is individually titrated to clinical response.
Renal Impairment
The pharmacokinetics of ropinirole were not altered in patients with moderate renal impairment (see CLINICAL PHARMACOLOGY). Therefore, no dosage adjustment is necessary in patients with moderate renal impairment. The use of Ropinirole Tablets in patients with severe renal impairment has not been studied.
Hepatic Impairment
The pharmacokinetics of ropinirole have not been studied in patients with hepatic impairment. Since patients with hepatic impairment may have higher plasma levels and lower clearance, Ropinirole Tablets should be titrated with caution in these patients.
Dosing for Parkinson’s Disease
In all clinical studies, dosage was initiated at a subtherapeutic level and gradually titrated to therapeutic response. The dosage should be increased to achieve a maximum therapeutic effect, balanced against the principal side effects of nausea, dizziness, somnolence, and dyskinesia.
The recommended starting dose for Parkinson’s disease is 0.25 mg 3 times daily. Based on individual patient response, dosage should then be titrated with weekly increments as described in Table 5. After week 4, if necessary, daily dosage may be increased by 1.5 mg/day on a weekly basis up to a dose of 9 mg/day, and then by up to 3 mg/day weekly to a total dose of 24 mg/day. Doses greater than 24 mg/day have not been tested in clinical trials.
Table 5. Ascending-Dose Schedule of Ropinirole Tablets for Parkinson’s DiseaseWeek
Dosage
Total Daily Dose
1
0.25 mg 3 times daily
0.75 mg
2
0.5 mg 3 times daily
1.5 mg
3
0.75 mg 3 times daily
2.25 mg
4
1 mg 3 times daily
3 mg
When Ropinirole Tablets are administered as adjunct therapy to L-dopa, the concurrent dose of L-dopa may be decreased gradually as tolerated. L-dopa dosage reduction was allowed during the advanced Parkinson’s disease (with L-dopa) study if dyskinesias or other dopaminergic effects occurred. Overall, reduction of L-dopa dose was sustained in 87% of patients treated with Ropinirole Tablets and in 57% of patients on placebo. On average the L-dopa dose was reduced by 31% in patients treated with Ropinirole Tablets.
Ropinirole Tablets for Parkinson’s disease patients should be discontinued gradually over a 7-day period. The frequency of administration should be reduced from 3 times daily to twice daily for 4 days. For the remaining 3 days, the frequency should be reduced to once daily prior to complete withdrawal of Ropinirole Tablets.
Dosing for Restless Legs Syndrome
In all clinical trials, the dose for Ropinirole Tablets was initiated at 0.25 mg once daily, 1 to 3 hours before bedtime. Patients were titrated based on clinical response and tolerability.
The recommended adult starting dosage for RLS is 0.25 mg once daily, 1 to 3 hours before bedtime. After 2 days, the dosage can be increased to 0.5 mg once daily and to 1 mg once daily at the end of the first week of dosing, then as shown in Table 6 as needed to achieve efficacy. For RLS, the safety and effectiveness of doses greater than 4 mg once daily have not been established.
Table 6. Dose Titration Schedule for RLS
Day/Week
Dosage to be taken once daily, 1 to 3 hours before bedtime
Days 1 and 2
0.25 mg
Days 3-7
0.5 mg
Week 2
1 mg
Week 3
1.5 mg
Week 4
2 mg
Week 5
2.5 mg
Week 6
3 mg
Week 7
4 mg
In clinical trials of patients being treated for RLS with doses up to 4 mg once daily, Ropinirole Tablets were discontinued without a taper. -
American Health Packaging
Isosorbide Dinitrate | Able C&c Co., Ltd.
There is currently no dosage information available for this product. We apologize for any inconvenience.
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West-ward Pharmaceutical Corp.
Isosorbide Dinitrate | West-ward Pharmaceutical Corp.
As noted under CLINICAL PHARMACOLOGY multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets is 5 mg to 40 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Caraco Pharmaceutical Laboratories Ltd.
Isosorbide Dinitrate | Caraco Pharmaceutical Laboratories Ltd.
As noted under “CLINICAL PHARMACOLOGY” multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for Isosorbide Dinitrate Extended-release Tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose- free interval for Isosorbide Dinitrate Extended-release Tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY”, only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Extended-release Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
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Rising Pharmaceuticals Inc
Isosorbide Dinitrate | Rising Pharmaceuticals Inc
As noted under “CLINICAL PHARMACOLOGY”, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate extended-release tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose-free interval for isosorbide dinitrate extended-release tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY”, only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate extended-release tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
-
Kaiser Foundation Hospitals
Isosorbide Dinitrate | Kaiser Foundation Hospitals
As noted under “CLINICAL PHARMACOLOGY”, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate extended-release tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose-free interval for isosorbide dinitrate extended-release tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY”, only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate extended-release tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
-
Physicians Total Care, Inc.
Isosorbide Dinitrate | Physicians Total Care, Inc.
As noted under “CLINICAL PHARMACOLOGY” multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for Isosorbide Dinitrate Extended-release Tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose-free interval for Isosorbide Dinitrate Extended-release Tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY” only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Extended-release Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
-
Kaiser Foundation Hospitals
Isosorbide Dinitrate | Kaiser Foundation Hospitals
As noted under “CLINICAL PHARMACOLOGY ”, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for Isosorbide Dinitrate Extended-Release Tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose-free interval for Isosorbide Dinitrate Extended-Release Tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY ”, only one trial has ever studied the use of controlled-release Isosorbide Dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Extended-Release Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral Isosorbide Dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
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Remedyrepack Inc.
Isosorbide Dinitrate | Remedyrepack Inc.
As noted under CLINICAL PHARMACOLOGY, multiple studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hour is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Remedyrepack Inc.
Isosorbide Dinitrate | Remedyrepack Inc.
As noted under CLINICAL PHARMACOLOGY, multiple studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate oral tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate oral tablets is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Remedyrepack Inc.
Isosorbide Dinitrate | Remedyrepack Inc.
As noted under CLINICAL PHARMACOLOGY, multiple studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hour is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Kaiser Foundation Hospitals
Isosorbide Dinitrate | Kaiser Foundation Hospitals
As noted under “CLINICAL PHARMACOLOGY” multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for Isosorbide Dinitrate Extended-release Tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose- free interval for Isosorbide Dinitrate Extended-release Tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY”, only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Extended-release Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
-
Sandoz Inc
Isosorbide Dinitrate | Sandoz Inc
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
American Health Packaging
Isosorbide Dinitrate | American Health Packaging
As noted under CLINICAL PHARMACOLOGY multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets is 5 mg to 40 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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West-ward Pharmaceutical Corp
Isosorbide Dinitrate | Cardinal Health
EdemaTherapy should be individualized according to patient response to gain maximal therapeutic response and to determine the minimal dose needed to maintain that response.
AdultsThe usual initial dose of furosemide is 20 to 80 mg given as a single dose. Ordinarily a prompt diuresis ensues. If needed, the same dose can be administered 6 to 8 hours later or the dose may be increased. The dose may be raised by 20 or 40 mg and given not sooner than 6 to 8 hours after the previous dose until the desired diuretic effect has been obtained. The individually determined single dose should then be given once or twice daily (e.g., at 8 am and 2 pm). The dose of furosemide may be carefully titrated up to 600 mg/day in patients with clinically severe edematous states.
Edema may be most efficiently and safely mobilized by giving furosemide on 2 to 4 consecutive days each week.
When doses exceeding 80 mg/day are given for prolonged periods, careful clinical observation and laboratory monitoring are particularly advisable. (See PRECAUTIONS: Laboratory Tests.)
Geriatric PatientsIn general, dose selection for the elderly patient should be cautious, usually starting at the low end of the dosing range (see PRECAUTIONS: Geriatric Use).
Pediatric PatientsThe usual initial dose of oral furosemide in pediatric patients is 2 mg/kg body weight, given as a single dose. If the diuretic response is not satisfactory after the initial dose, dosage may be increased by 1 or 2 mg/kg no sooner than 6 to 8 hours after the previous dose. Doses greater than 6 mg/kg body weight are not recommended. For maintenance therapy in pediatric patients, the dose should be adjusted to the minimum effective level.
HypertensionTherapy should be individualized according to the patient’s response to gain maximal therapeutic response and to determine the minimal dose needed to maintain the therapeutic response.
AdultsThe usual initial dose of furosemide for hypertension is 80 mg, usually divided into 40 mg twice a day. Dosage should then be adjusted according to response. If response is not satisfactory, add other antihypertensive agents.
Changes in blood pressure must be carefully monitored when furosemide is used with other antihypertensive drugs, especially during initial therapy. To prevent excessive drop in blood pressure, the dosage of other agents should be reduced by at least 50 percent when furosemide is added to the regimen. As the blood pressure falls under the potentiating effect of furosemide, a further reduction in dosage or even discontinuation of other antihypertensive drugs may be necessary.
Geriatric PatientsIn general, dose selection and dose adjustment for the elderly patient should be cautious, usually starting at the low end of the dosing range (see PRECAUTIONS: Geriatric Use).
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Ncs Healthcare Of Ky, Inc Dba Vangard Labs
Isosorbide Dinitrate | Ncs Healthcare Of Ky, Inc Dba Vangard Labs
As noted under "CLINICAL PHARMACOLOGY," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under "CLINICAL PHARMACOLOGY," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Par Pharmaceutical Inc.
Isosorbide Dinitrate | Par Pharmaceutical Inc.
As noted under "CLINICAL PHARMACOLOGY," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under "CLINICAL PHARMACOLOGY," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
West-ward Pharmaceutical Corp
Isosorbide Dinitrate | West-ward Pharmaceutical Corp
As noted under CLINICAL PHARMACOLOGY, multiple studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for ISDN must provide a daily dose-free interval to minimize the development of this tolerance. In the case of sublingual tablets, it is probably true that one of the daily dose-free intervals must be somewhat longer than 14 hours.
As also noted under CLINICAL PHARMACOLOGY, the efficacy of daily doses after the first has never been demonstrated.
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Sublingual Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
A patient anticipating activity likely to cause angina should take one isosorbide dinitrate sublingual tablet (2.5 to 5 mg) about 15 minutes before the activity is expected to begin. Isosorbide dinitrate sublingual tablets may be used to abort an acute anginal episode, but its use is recommended only in patients who fail to respond to sublingual nitroglycerin.
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Corepharma, Llc
Isosorbide Dinitrate | Corepharma, Llc
As noted under “CLINICAL PHARMACOLOGY”, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate extended-release tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose-free interval for isosorbide dinitrate extended-release tablets has not been clearly identified, but is presumably somewhat longer.
As also noted under “CLINICAL PHARMACOLOGY”, only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate extended-release tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
-
Ncs Healthcare Of Ky, Inc Dba Vangard Labs
Isosorbide Dinitrate | Ncs Healthcare Of Ky, Inc Dba Vangard Labs
As noted under CLINICAL PHARMACOLOGY, multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Remedyrepack Inc.
Isosorbide Dinitrate | Remedyrepack Inc.
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Bryant Ranch Prepack
Isosorbide Dinitrate | Bryant Ranch Prepack
As noted under CLINICAL PHARMACOLOGY, multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Bryant Ranch Prepack
Isosorbide Dinitrate | Bryant Ranch Prepack
As noted under CLINICAL PHARMACOLOGY, multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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A-s Medication Solutions Llc
Isosorbide Dinitrate | A-s Medication Solutions Llc
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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American Health Packaging
Isosorbide Dinitrate | American Health Packaging
As noted under "CLINICAL PHARMACOLOGY," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under "CLINICAL PHARMACOLOGY," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Major Pharmaceuticals
Isosorbide Dinitrate | Major Pharmaceuticals
As noted under CLINICAL PHARMACOLOGY, multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
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Bluepoint Laboratories
Isosorbide Dinitrate | American Health Packaging
Dosage should be adjusted according to the severity of the pain and the response of the patient. However, it should be kept in mind that tolerance to hydrocodone can develop with continued use and that the incidence of untoward effects is dose related.
7.5 mg/325 mg
The usual adult dosage is one tablet every four to six hours as needed for pain. The total daily dosage should not exceed 6 tablets.
10 mg/325 mg
The usual adult dosage is one tablet every four to six hours as needed for pain. The total daily dosage should not exceed 6 tablets.
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Major Pharmaceuticals
Isosorbide Dinitrate | Major Pharmaceuticals
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Remedyrepack Inc.
Isosorbide Dinitrate | Remedyrepack Inc.
As noted under CLINICAL PHARMACOLOGY, multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
State Of Florida Doh Central Pharmacy
Isosorbide Dinitrate | State Of Florida Doh Central Pharmacy
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Carilion Materials Management
Isosorbide Dinitrate | Carilion Materials Management
As noted under " ," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long. CLINICAL PHARMACOLOGY
As also noted under " ," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first. CLINICAL PHARMACOLOGY
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Carilion Materials Management
Isosorbide Dinitrate | Carilion Materials Management
As noted under " ," multiple-dose studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release isosorbide dinitrate, it appears that one daily dose-free interval must be at least 14 hours long. CLINICAL PHARMACOLOGY
As also noted under " ," the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first. CLINICAL PHARMACOLOGY
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Carilion Materials Management
Isosorbide Dinitrate | Carilion Materials Management
As noted under , multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. CLINICAL PHARMACOLOGY
As also noted under , the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first. CLINICAL PHARMACOLOGY
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Carilion Materials Management
Isosorbide Dinitrate | Carilion Materials Management
As noted under , multiple studies with isosorbide dinitrate and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets (oral) must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. CLINICAL PHARMACOLOGY
As also noted under , the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first. CLINICAL PHARMACOLOGY
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate oral tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate tablets (oral) is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
Carilion Materials Management
Isosorbide Dinitrate | Carilion Materials Management
As noted under “ ” multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for Isosorbide Dinitrate Extended-release Tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long. The necessary dose- free interval for Isosorbide Dinitrate Extended-release Tablets has not been clearly identified, but is presumably somewhat longer. CLINICAL PHARMACOLOGY
As also noted under “ , only one trial has ever studied the use of controlled-release isosorbide dinitrate for more than one dose. In that trial, 40 mg of a different formulation of controlled-release ISDN was administered twice daily in doses given 6 hours apart. After 4 weeks, active treatment could not be distinguished from placebo. CLINICAL PHARMACOLOGY”
Large controlled studies with other nitrates suggest that no dosing regimen with Isosorbide Dinitrate Extended-release Tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
In clinical trials, immediate-release oral isosorbide dinitrate has been administered in a variety of regimens, with total daily doses ranging from 30 mg to 480 mg.
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Cardinal Health
Isosorbide Dinitrate | Cardinal Health
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hour is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
-
American Health Packaging
Isosorbide Dinitrate | American Health Packaging
As noted under CLINICAL PHARMACOLOGY, multiple-dose studies with ISDN and other nitrates have shown that maintenance of continuous 24-hour plasma levels results in refractory tolerance. Every dosing regimen for isosorbide dinitrate tablets must provide a daily dose-free interval to minimize the development of this tolerance. With immediate-release ISDN, it appears that one daily dose-free interval must be at least 14 hours long.
As also noted under CLINICAL PHARMACOLOGY, the effects of the second and later doses have been smaller and shorter-lasting than the effects of the first.
Large controlled studies with other nitrates suggest that no dosing regimen with isosorbide dinitrate tablets should be expected to provide more than about 12 hours of continuous anti-anginal efficacy per day.
As with all titratable drugs, it is important to administer the minimum dose which produces the desired clinical effect. The usual starting dose of isosorbide dinitrate is 5 mg to 20 mg, two or three times daily. For maintenance therapy, 10 mg to 40 mg, two or three times daily is recommended. Some patients may require higher doses. A daily dose-free interval of at least 14 hours is advisable to minimize tolerance. The optimal interval will vary with the individual patient, dose and regimen.
![Isosorbide Dinitrate Tablet [Cardinal Health]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=f37d8d11-ea44-4e45-a239-43f76316197e&name=image-01.jpg)
![Isosorbide Dinitrate Tablet [American Health Packaging]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=a89b6679-a1c9-438e-afe0-92f37b0b57b7&name=misshammagiccushioncarton.jpg)
![Isosorbide Dinitrate (Isosorbide Dinitrate) Tablet [West-ward Pharmaceutical Corp.]](http://recallguide.cwdevelopsp.com/wp-content/themes/recallguide/assets/img/drug-image-placeholder.jpg)
![Isosorbide Dinitrate (Isosorbide Dinitrate) Tablet, Extended Release [Caraco Pharmaceutical Laboratories Ltd.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=2475fda7-fd3b-472b-9c78-54749ba8e141&name=isosorbidelabel.jpg)
![Isosorbide Dinitrate Tablet, Extended Release [Rising Pharmaceuticals Inc]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=e0d79be0-c4ac-4030-bef0-730453ffc2cc&name=iso-40mg-100.jpg)
![Isosorbide Dinitrate Tablet, Extended Release [Kaiser Foundation Hospitals]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=d8a0b9ec-913c-41e4-b142-b96a05f73701&name=IsosorbideDinitrate-02.jpg)
![Isosorbide Dinitrate Tablet, Extended Release [Physicians Total Care, Inc.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=305cab07-cbdc-4d91-9bb3-14553704935e&name=40mgpackagelabel.jpg)
![Isosorbide Dinitrate Tablet, Extended Release [Kaiser Foundation Hospitals]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=2b83db70-6376-4ccb-a390-27e9a2e6a91c&name=Isosorbide-03.jpg)
![Isosorbide Dinitrate Tablet [Remedyrepack Inc. ]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=1c8d7bcd-a99d-4f53-9b82-0be2b34581b0&name=MM2.jpg)
![Isosorbide Dinitrate Tablet [Remedyrepack Inc. ]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=9056912d-fda2-47b5-a1f3-20bab9790e64&name=MM2.jpg)
![Isosorbide Dinitrate Tablet [Remedyrepack Inc. ]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=cfff8b3c-59b8-452b-b711-98d7b97dcba8&name=MM2.jpg)
![Isosorbide Dinitrate (Isosorbide Dinitrate) Tablet, Extended Release [Kaiser Foundation Hospitals]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=bf6d4c62-14a4-423b-bdbf-676375f5cb8d&name=isosorbide-02.jpg)
![Isosorbide Dinitrate Tablet [Sandoz Inc]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=71fdd147-a987-40b6-9f07-82d56525ceb8&name=8a48e28c-5a72-4744-9a58-2586a3d52135-02.jpg)
![Isosorbide Dinitrate Tablet [American Health Packaging]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=d80883d0-5469-4bde-8bcb-ed65127a7555&name=d80883d0-5469-4bde-8bcb-ed65127a7555-02.jpg)
![Isosorbide Dinitrate Tablet [West-ward Pharmaceutical Corp]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=fe3406f2-defc-4158-bd75-00c6124f0e54&name=image-02.jpg)
![Isosorbide Dinitrate Tablet [Ncs Healthcare Of Ky, Inc Dba Vangard Labs]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=fd2be6f5-0d20-4eb7-be8c-ddcca477dcdb&name=isosorbide-dinitrate-tablet-30mg-2.jpg)
![Isosorbide Dinitrate (Isosorbide Dinitrate) Tablet [Par Pharmaceutical Inc.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=6df6a2fa-c56c-4eb6-a485-c16585420eb0&name=10_100s.jpg)
![Isosorbide Dinitrate Tablet [West-ward Pharmaceutical Corp]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=44ede034-1fa1-4993-9aa5-49e04fada541&name=isosorbide-dinitrate---sub-tablets-2.jpg)
![Isosorbide Dinitrate Tablet, Extended Release [Corepharma, Llc]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=3288dfa7-7603-4c41-940a-e6e698286323&name=isosorbide-dinitrate-extended-release-tablets-3.jpg)
![Isosorbide Dinitrate Tablet [Ncs Healthcare Of Ky, Inc Dba Vangard Labs]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=96b08887-8696-491e-9226-892a9da87508&name=isosorbide-dinitrate-tablets-2.jpg)
![Isosorbide Dinitrate Tablet [Remedyrepack Inc. ]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=3a07f039-9dc0-42e4-b0ea-38fd6811e5b5&name=MM2.jpg)
![Isosorbide Dinitrate Tablet [Bryant Ranch Prepack]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=66a9eb93-dca4-489f-88fa-fc117c3e5647&name=37111.jpg)
![Isosorbide Dinitrate Tablet [Bryant Ranch Prepack]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=1e89a14b-bd19-4e0b-81be-5db6eab7eef0&name=25731.jpg)
![Isosorbide Dinitrate Tablet [A-s Medication Solutions Llc]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=376dd217-91c3-4af3-ab1f-21a8782cf030&name=0452-0.jpg)
![Isosorbide Dinitrate Tablet [American Health Packaging]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=5c94ecc0-fcaa-4af3-82c2-ff124f2df3e1&name=5c94ecc0-fcaa-4af3-82c2-ff124f2df3e1-02.jpg)
![Isosorbide Dinitrate Tablet [Major Pharmaceuticals]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=522f00d0-6628-457f-bb4c-8f545865a180&name=isosorbide-dinitrate-tablets-2.jpg)
![Isosorbide Dinitrate Tablet [Bluepoint Laboratories]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=fc3c3d40-69ba-4273-b7a1-cf715b68478d&name=image-02.jpg)
![Isosorbide Dinitrate Tablet [Major Pharmaceuticals]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=9f6c3180-f268-4a42-8bd8-d8c8c1455a23&name=isosorbide-dinitrate-tablets-usp-sandoz-2.jpg)
![Isosorbide Dinitrate Tablet [Remedyrepack Inc. ]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=c41790e3-6a53-4f24-a75c-7f11c3ca79c6&name=MM2.jpg)
![Isosorbide Dinitrate Tablet [State Of Florida Doh Central Pharmacy]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=9c6a10ba-04a5-4d7e-83fb-d0001d547496&name=IsosorbideDinitrate20mg.jpg)
![Isosorbide Dinitrate Tablet [Carilion Materials Management]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=d25fc9aa-742f-4a90-8fd9-2a3741864cd2&name=68151-1980.jpg)
![Isosorbide Dinitrate Tablet [Carilion Materials Management]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=ad51e5ef-31e6-470b-9332-dab8d1533483&name=68151-2476.jpg)
![Isosorbide Dinitrate Tablet [Carilion Materials Management]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=9e806b87-e67f-4f01-9c22-3b53f9622b34&name=68151-2475.jpg)
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