fen-phen(redirected from Phen phen)
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Related to Phen phen: phentermine
a former drug combination of phentermine with either fenfluramine or dexfenfluramine; also called phen-fen
A combination of two drugs, fenfluramine hydrochloride and phentermine, formerly prescribed for weight loss but withdrawn from the market in 1997 because of potentially dangerous side effects.