Cetirizine

(2-(4-((4-Chlorophenyl)phenylmethyl)-1-piperazinyl)ethoxy)acetic Acid; AWD.pharma Brand of Cetirizine Dihydrochloride; Alerlisin; Aliud Brand of Cetirizine Dihydrochloride; Alpharma Brand of Cetirizine Dihydrochloride
A potent second-generation histamine H1 antagonist that is effective in the treatment of allergic rhinitis, chronic urticaria, and pollen-induced asthma. Unlike many traditional antihistamines, it does not cause drowsiness or anticholinergic side effects.