Fexofenadine Hydrochloride
- Fexofenadine HCl, the carboxylic acid metabolite of terfenadine, is a new second-generation antihistamine that is nonsedating and does not cause electrocardiographic effects.
- H1-receptor antagonist is both effective and safe for the treatment of ragweed seasonal allergic rhinitis.
- works by blocking a certain natural substance (histamine) synthesized by the body during an allergic reaction.