Definition of fenfluramine
: an anorectic amphetamine derivative C12H16F3N with little stimulant effect on the central nervous system formerly used in the form of its hydrochloride to treat obesity but no longer used due to its association with heart valve disease — see fen-phen sense 1
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Merriam-Webster unabridged
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Time Traveler for fenfluramine
The first known use of fenfluramine was in 1964
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