Pharmacologic Substance
phenformin
Definitions related to phenformin:
  • A biguanide hypoglycemic agent with actions and uses similar to those of METFORMIN. Although it is generally considered to be associated with an unacceptably high incidence of lactic acidosis, often fatal, it is still available in some countries. (From Martindale, The Extra Pharmacopoeia, 30th ed, p290)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An agent belonging to the biguanide class of antidiabetics with antihyperglycemic activity. Phenformin is not used clinically due to the high risk of lactic acidosis that is associated with its use.
    NCI
    U.S. National Cancer Institute, 2021
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