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A combination of two drugs, fenfluramine hydrochloride and phentermine, formerly prescribed for weight loss but withdrawn from the market in 1997 because of potentially dangerous side effects.