Cetirizine Hydrochloride

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** A synthetic phenylmethyl-piperazinyl derivative, antihistaminic Cetirizine is a metabolite of hydroxyzine and a selective peripheral histamine H1-receptor antagonist. It is used for symptomatic treatment of seasonal and perennial allergic rhinitis and for chronic urticaria. (NCI04)

**Synonyms:** - CETIRIZINE HYDROCHLORIDE - Zyrtec