Isuprel

Isuprel

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Questions & Answers

Side Effects & Adverse Reactions

Isoproterenol hydrochloride injection, by increasing myocardial oxygen requirements while decreasing effective coronary perfusion, may have a deleterious effect on the injured or failing heart. Most experts discourage its use as the initial agent in treating cardiogenic shock following myocardial infarction. However, when a low arterial pressure has been elevated by other means, isoproterenol hydrochloride injection may produce beneficial hemodynamic and metabolic effects. In a few patients, presumably with organic disease of the AV node and its branches, isoproterenol hydrochloride injection has paradoxically been reported to worsen heart block or to precipitate Adams-Stokes attacks during normal sinus rhythm or transient heart block. Contains sodium metabisulfite, a sulfite that may cause allergic-type reactions including anaphylactic symptoms and life-threatening or less severe asthmatic episodes in certain susceptible people. The overall prevalence of sulfite sensitivity in the general population is unknown and probably low. Sulfite sensitivity is seen more frequently in asthmatic than in nonasthmatic people.

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

Isoproterenol hydrochloride injection is indicated:

• For mild or transient episodes of heart block that do not require electric shock or pacemaker therapy.

• For serious episodes of heart block and Adams-Stokes attacks (except when caused by ventricular tachycardia or fibrillation). (See CONTRAINDICATIONS.)

• For use in cardiac arrest until electric shock or pacemaker therapy, the treatments of choice, is available. (See CONTRAINDICATIONS.)

• For bronchospasm occurring during anesthesia.

• As an adjunct to fluid and electrolyte replacement therapy and the use of other drugs and procedures in the treatment of hypovolemic and septic shock, low cardiac output (hypoperfusion) states, congestive heart failure, and cardiogenic shock. (See WARNINGS.)

History

There is currently no drug history available for this drug.

Other Information

Sterile Injection 1:5000
Rx only


Isoproterenol hydrochloride is 3,4-Dihydroxy-a-[(isopropylamino)methyl] benzyl alcohol hydrochloride, a synthetic sympathomimetic amine that is structurally related to epinephrine but acts almost exclusively on beta receptors. The molecular formula is C11H17NO3• HCl. It has a molecular weight of 247.72 and the following structural formula:


Formula1


Isoproterenol hydrochloride is a racemic compound.
Each milliliter of the sterile 1:5000 solution contains:

ISUPREL brand of isoproterenol
hydrochloride injection, USP

0.2 mg
Lactic Acid

0.12 mg
Sodium Chloride

7.0 mg
Sodium Lactate

1.8 mg
Sodium Metabisulfite

1.0 mg
Water for Injection
qs ad
1.0 mL
The pH is adjusted between 2.5 and 4.5 with hydrochloric acid. The sterile 1:5000 solution is nonpyrogenic and can be administered by the intravenous, intramuscular, subcutaneous, or intracardiac routes.


Isuprel Manufacturers


  • General Injectables & Vaccines, Inc
    Isuprel Injection, Solution [General Injectables & Vaccines, Inc]
  • Hospira, Inc.
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Hospira, Inc.]
  • Cardinal Health
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Cardinal Health]
  • Cardinal Health
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Cardinal Health]
  • Hospira, Inc.
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Hospira, Inc.]
  • Marathon Pharmaceuticals, Llc
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Marathon Pharmaceuticals, Llc]
  • Valeant Pharmaceuticals North America Llc
    Isuprel (Isoproterenol Hydrochloride) Injection, Solution [Valeant Pharmaceuticals North America Llc]

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