metformin

noun

met·​for·​min met-ˈfȯr-mən How to pronounce metformin (audio)
: a drug used in the form of its hydrochloride C4H11N5·HCl especially to treat type 2 diabetes

Examples of metformin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When a stricter diet and exercise regimen didn’t move the needle, Dr. Shah prescribed metformin. Mohana Ravindranath, New York Times, 1 May 2025 And both metformin and the GLP-1 and SGLT-2 medications can have gastrointestinal or genitourinary side effects. The New York Times, San Diego Union-Tribune, 15 Apr. 2025 These include common pills such as statins for high cholesterol, multiple blood pressure medications and metformin for blood sugar control. Annika Kim Constantino, CNBC, 11 Apr. 2025 The scientists concluded that carrots could be a natural way to complement existing diabetes treatments; so diabetic people could eat carrots while taking prescribed medication, such as insulin or metformin, to further improve their health. Paul Du Quenoy, Newsweek, 9 Jan. 2025 See All Example Sentences for metformin

Word History

Etymology

methyl + -formin (as in phenformin, an earlier antidiabetic drug)

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of metformin was in 1961

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Cite this Entry

“Metformin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/metformin. Accessed 16 May. 2025.

Medical Definition

metformin

noun
met·​for·​min met-ˈfȯr-mən How to pronounce metformin (audio)
: an antidiabetic drug used in the form of its hydrochloride C4H11N5·HCl especially to treat type 2 diabetes in patients unresponsive to or intolerant of approved sulfonylurea drugs

Note: Trademarks for preparations containing metformin include Glucophage, Glucovance, Invokamet, Janumet, Jentadueto, and Kombiglyze.

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