Allegra-d 24 Hour
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Questions & Answers
Side Effects & Adverse Reactions
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Legal Issues
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Manufacturer Warnings
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FDA Labeling Changes
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Uses
INDICATIONS AND USAGE
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
DESCRIPTION
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:
Fexofenadine Hydrochloride Structure Image
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:
Pseudoephedrine Hydrochloride Structure Image
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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Stat Rx Usa Llc
![Allegra-d 24 Hour (Fexofenadine Hydrochloride And Pseudoephedrine Hydrochloride) Tablet, Film Coated [Stat Rx Usa Llc]](/wp-content/themes/bootstrap/assets/img/loading2.gif)
Allegra-d 24 Hour | Stat Rx Usa Llc
DOSAGE AND ADMINISTRATIONThe 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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