Allegra - Allegra hydrochloride, the active ingredient of Allegra, is a histamine H1-receptor antagonist with the chemical name (Â±)-4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-butyl]-(alpha), (alpha)-dimethyl benzeneacetic acid hydrochloride. It has the following chemical structure Allegra is indicated for the relief of symptoms associated with seasonal allergic rhinitis in adults and children 6 years of age and older. Symptoms treated effectively were sneezing, rhinorrhea, itchy nose/palate/throat, itchy/watery/red eyes.
Allegra is indicated for treatment of uncomplicated skin manifestations of chronic idiopathic urticaria in adults and children 6 years of age and older. It significantly reduces pruritus and the number of wheals. Allegra is a Antihistamine usually used to treat allergies. Some of the most prescribed drugs in this class include: Zyrtec; Allegra; Clarinex; Astelin.
Active ingredients: fexofenadine