Allegra, Claritin and Zyrtec are all antihistamines made use of to take care of allergy symptoms similar to a runny nose, sneezing and itchy or watery eyes. Allegra has fexofenadine hydrochloride as its active ingredient and is available in the form of the pill or capsule for oral intake. Allegra https://amirn887kaq6.wikihearsay.com/user