Pronunciation: e-fed'rin, ef'e-drin
Definition: An alkaloid from the leaves of Ephedra equisetina, E. sinica, and other species (family Gnetaceae), or produced synthetically; an adrenergic (sympathomimetic) agent with actions similar to those of epinephrine; used as a bronchodilator, mydriatic, pressor agent, and topical vasoconstrictor. Generally used salts are ephedrine hydrochloride and ephedrine sulfate.
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