fenfluramine
noun
fen·flur·amine ˌfen-ˈflu̇r-ə-ˌmēn 
: 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
Example Sentences
Recent Examples on the Web In 1997, weight loss drug fenfluramine/phentermine (fen-phen) was pulled off the market after it was found to cause heart problems. 
Alexandra Ossola, Quartz, 19 June 2022 Belviq is chemically similar to fenfluramine, which was removed from the market after the fen-phen heart valve problems. John Fauber, Milwaukee Journal Sentinel, 22 Aug. 2021 Lingering safety doubts persist after several high-profile withdrawals, including the combination drug fenfluramine/phentermine in 1997, Meridia (sibutramine) in 2010, and Belviq (lorcaserin) in early 2020. Joshua Cohen, Forbes, 5 June 2021 The idea to use low-dose fenfluramine to stop seizures comes from a successful, open-label experiment conducted by researchers in Belgium. Adam Feuerstein, STAT, 12 July 2018 In 1997, a combo drug containing fenfluramine and phentermine, or fen-phen, was pulled off the market after reports of heart valve damage and deaths. Bradley J. Fikes, sandiegouniontribune.com, 23 Apr. 2018
Alexandra Ossola, Quartz, 19 June 2022 Belviq is chemically similar to fenfluramine, which was removed from the market after the fen-phen heart valve problems. John Fauber, Milwaukee Journal Sentinel, 22 Aug. 2021 Lingering safety doubts persist after several high-profile withdrawals, including the combination drug fenfluramine/phentermine in 1997, Meridia (sibutramine) in 2010, and Belviq (lorcaserin) in early 2020. Joshua Cohen, Forbes, 5 June 2021 The idea to use low-dose fenfluramine to stop seizures comes from a successful, open-label experiment conducted by researchers in Belgium. Adam Feuerstein, STAT, 12 July 2018 In 1997, a combo drug containing fenfluramine and phentermine, or fen-phen, was pulled off the market after reports of heart valve damage and deaths. Bradley J. Fikes, sandiegouniontribune.com, 23 Apr. 2018 Word History
Etymology
fen- (alteration of phen-) + -flur- (alteration of fluor-) + amine
First Known Use
1964, in the meaning defined above
Medical Definition
fenfluramine
noun
fen·flur·amine ˌfen-ˈflu̇r-ə-ˌmēn
: 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 dexfenfluramine, fen-phen sense 1