Zyrtec (Cetirizine)

Synonyms: Ceticad, Neuosil, Zetecet, Zetect, Alerlisin, Formistin, Reactine, Setir, Virlix, Zyrlex Zyrtec (Cetirizine) is an antihistamine used to treat both seasonal and perennial allergy symptoms such as watery eyes, runny nose (rhinitis), itching eyes, and sneezing. Cetirizine is also used to treat hives.