pheniramine

noun
phen·​ir·​amine | \ (ˈ)fen-ˈir-ə-ˌmēn How to pronounce pheniramine (audio) , -mən How to pronounce pheniramine (audio) \

Medical Definition of pheniramine

: a drug used in the form of its maleate C16H20N2·C4H4O4 as an antihistamine