Definition of metformin
: a drug C4C11N5 used in the form of its hydrochloride to treat type 2 diabetes
Origin and Etymology of metformin
methyl + -formin (as in phenformin, an earlier antidiabetic drug)
First Known Use: 1961
Medical Definition of metformin
: 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 ◆Trademarks for preparations containing metformin include Glucophage, Glucovance, Invokamet, Janumet, Jentadueto, and Kombiglyze.
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Medical Dictionary: Definition of metformin
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