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or fen/phen

[fen-fen] /ˈfɛnˌfɛn/
noun, Pharmacology.
a drug that is a combination of fenfluramine and phentermine, formerly used in treating obesity but withdrawn from the market because of its potential to cause valvular heart disease.
Origin of fen-phen
1990-95 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Contemporary definitions for fen-phen

a former prescription diet drug of fenfluramine hydrochloride or dexfenfluramine combined with phentermine, and now banned; also called phen-fen

Word Origin

1994-99; fenfluramine + phentermine's 21st Century Lexicon
Copyright © 2003-2014, LLC
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fen-phen in Medicine

fen-phen (fěn'fěn)
A combination of two drugs, fenfluramine hydrochloride and phentermine, formerly prescribed for weight loss.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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