cetirizine
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noun
ce·tir·i·zine
\se-ˈtir-ə-ˌzēn\
variants: or less commonly
cetirizine hydrochloride
Definition of cetirizine
: a long-acting, nonsedating, antihistamine drug taken orally in the form of its hydrochloride C21H25ClN2O3·2HCl especially to treat allergic rhinitis and chronic hives ◆Cetirizine is marketed under the trademark Zyrtec .
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First Known Use of cetirizine
1987
Medical Dictionary
cetirizine
play
noun
ce·tir·i·zine
\se-ˈtir-ə-ˌzēn\
Medical Definition of cetirizine
: a long-acting, nonsedating, antihistamine drug taken orally in the form of its dihydrochloride C21H25ClN2O3·2HCl to treat allergic rhinitis and chronic hives ◆Cetirizine is a derivative of piperazine and an H1 antagonist that binds competitively with histamine to H1 receptors on cell membranes. It is marketed under the trademark Zyrtec.
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