Allegra–d 24 Hour
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Questions & Answers
Side Effects & Adverse Reactions
Sympathomimetic amines should be used with caution in patients with hypertension, diabetes mellitus, ischemic heart disease, increased intraocular pressure, hyperthyroidism, renal impairment, or prostatic hypertrophy (see CONTRAINDICATIONS). Sympathomimetic amines may produce central nervous system stimulation with convulsions or cardiovascular collapse with accompanying hypotension.
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
ALLEGRA-D 24 HOUR Extended-Release Tablets are indicated for the relief of symptoms associated with seasonal allergic rhinitis in adults and children 12 years of age and older. Symptoms treated effectively include sneezing, rhinorrhea, itchy nose/palate/ and/or throat, itchy/watery/red eyes, and nasal congestion.
ALLEGRA-D 24 HOUR should be administered when both the antihistaminic properties of fexofenadine hydrochloride and the nasal decongestant properties of pseudoephedrine hydrochloride are desired (see CLINICAL PHARMACOLOGY).
History
There is currently no drug history available for this drug.
Other Information
ALLEGRA-D® 24 HOUR (fexofenadine hydrochloride and pseudoephedrine hydrochloride) Extended-Release Tablets for oral administration contain 180 mg fexofenadine hydrochloride for immediate release and 240 mg pseudoephedrine hydrochloride for extended release. Tablets also contain as excipients: microcrystalline cellulose, sodium chloride, cellulose acetate, polyethylene glycol, opadry white, povidone, talc, hypromellose, croscarmellose sodium, copovidone, titanium dioxide, magnesium stearate, colloidal silicon dioxide, brilliant blue aluminum lake, acetone, isopropyl alcohol, methyl alcohol, methylene chloride, water, and black ink.
Fexofenadine hydrochloride, one of the active ingredients of ALLEGRA-D 24 HOUR, is a histamine H1-receptor antagonist with the chemical name (±)-4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-butyl]-α, α-dimethyl benzeneacetic acid hydrochloride and the following chemical structure:
The molecular weight is 538.13 and the empirical formula is C32H39NO4•HCl. Fexofenadine hydrochloride is a white to off-white crystalline powder. It is freely soluble in methanol and ethanol, slightly soluble in chloroform and water, and insoluble in hexane. Fexofenadine hydrochloride is a racemate and exists as a zwitterion in aqueous media at physiological pH.
Pseudoephedrine hydrochloride, the other active ingredient of ALLEGRA-D 24 HOUR, is an adrenergic (vasoconstrictor) agent with the chemical name [S-(R*,R*)]-α-[1-(methylamino)ethyl]-benzenemethanol hydrochloride and the following chemical structure:
The molecular weight is 201.70 and the molecular formula is C10H15NO•HCl. Pseudoephedrine hydrochloride occurs as fine, white to off-white crystals or powder, having a faint characteristic odor. It is very soluble in water, freely soluble in alcohol, and sparingly soluble in chloroform.
Sources
Allegra–d 24 Hour Manufacturers
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Sanofi-aventis U.s. Llc
![Allegra–d 24 Hour (Fexofenadine Hydrochloride And Pseudoephedrine Hydrochloride) Tablet, Film Coated [Sanofi-aventis U.s. Llc]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Allegra–d 24 Hour | Sanofi-aventis U.s. Llc
The recommended dose of ALLEGRA-D 24 HOUR Extended-Release Tablets is one tablet once daily administered on an empty stomach with water for adults and children 12 years of age and older. ALLEGRA-D 24 HOUR tablets should generally be avoided in patients with renal insufficiency. ALLEGRA-D 24 HOUR must be swallowed whole and never crushed or chewed.
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Physicians Total Care, Inc.
Allegra–d 24 Hour | Physicians Total Care, Inc.
The recommended dose of ALLEGRA-D 24 HOUR Extended-Release Tablets is one tablet once daily administered on an empty stomach with water for adults and children 12 years of age and older. ALLEGRA-D 24 HOUR tablets should generally be avoided in patients with renal insufficiency. ALLEGRA-D 24 HOUR must be swallowed whole and never crushed or chewed.
![Allegra–d 24 Hour (Fexofenadine Hydrochloride And Pseudoephedrine Hydrochloride) Tablet, Film Coated, Extended Release [Physicians Total Care, Inc.]](http://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=f7036088-40c5-444a-80d4-cead603d2f2e&name=packagelabel.jpg)
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