Dictionary

pseudoephedrine

pseudoephedrine

noun pseu·do·ephed·rine \ˌsü-dō-i-ˈfed-rən, British also -ˈe-fə-drən\

Definition of PSEUDOEPHEDRINE

:  an isomer of ephedrine used in the form of its hydrochloride or sulfate especially to relieve nasal congestion

First Known Use of PSEUDOEPHEDRINE

1974

pseudoephedrine

noun pseu·do·ephed·rine \-i-ˈfed-rən, British also -ˈef-ə-drən\   (Medical Dictionary)

Medical Definition of PSEUDOEPHEDRINE

:  a crystalline alkaloid C10H15NO that is isomeric with ephedrine and is administered chiefly in the form of its hydrochloride C10H15NO·HCl or sulfate (C10H15NO)2·H2SO4 especially to relieve nasal congestion

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