Tags: Drug.

Cetirizine /sɛˈtɪrɨziːn/ is a second-generation antihistamine used in the treatment of hay fever allergies angioedema and urticaria. It is a major metabolite of hydroxyzine and a racemic selective H1 receptor inverse agonist.

Cetirizine_structure.svg
ATC prefix
R06
ATC suffix
AE07
CAS number
83881-51-0
ChEBI
3561
DrugBank
DB00341
FDA UNII code
YO7261ME24
IUPAC name
(±)-[2-[4-[(4-chlorophenyl)phenylmethyl]-1- piperazinyl]ethoxy]acetic acid
PubChem
2678

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