Metformin-Associated Lactic Acidosis: An Atypical Presentation.

Many Type 2 diabetic patients take metformin for its safety profile and lack of hypoglycemia. Although this drug is safe in those without renal dysfunction, lactic acidosis may rarely occur. Metformin-associated lactic acidosis is a potentially fatal yet rare diagnosis. Prompt recognition of even subtle symptoms can reduce mortality and preserve homeostasis.