cetirizine

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cetirizine

 [sĕ-tir´ĭ-zēn]
a nonsedating antihistamine administered orally in the form of the hydrochloride salt for treatment of allergic rhinitis and chronic hives, and as a treatment adjunct for asthma.

cetirizine

(sə-tîr′ə-zēn′)
n.
A nonsedating antihistamine, C21H25ClN2O3, used in the form of its hydrochloride to treat allergic rhinitis and other allergic disorders.

cetirizine

Zyrtec® Therapeutics A potent, antiinflammatory H1-receptor antagonist used for respiratory allergies; it has little CNS reactivity or cardiotoxicity and doesn't interact with other medicines. See Antihistamine.

cetirizine

An ANTIHISTAMINE drug used in the treatment of hay fever and other allergic conditions. A brand name is Zirtek Allergy.

antihistamine 

Any substance that reduces the effect of histamine or blocks histamine receptors, usually the histamine 1 (H1) receptor. It is used in the treatment of allergic conjunctivitis and also in the temporary relief of minor allergic symptoms of the eye. Common agents include antazoline sulfate, azelastine hydrochloride, cetirizine, chlorphenamine, emedastine, epinastine hydrochloride, ketotifen, levocabastine, loratadine and olopatadine. See hypersensitivity; mast cell stabilizers.