cyproheptadine

[ sahy-proh-hep-tuh-deen ]
/ ˌsaɪ proʊˈhɛp təˌdin /

noun Pharmacology.

a phenothiazine analogue, C21H21N, with antihistaminic action, used in the symptomatic treatment of hay fever and itching.

Origin of cyproheptadine

First recorded in 1970–75; cy(clo-) + pro(pyl) + hepta- + (piperi)dine