Are runners more likely to get lactic acidosis from taking metformin?

Runners who take the diabetes drug metformin (Glucophage, Fortamet) and become dehydrated may be at an increased risk of developing lactic acidosis. This condition, a buildup of lactic acid in the bloodstream, can be very serious -- even life threatening. Runners (and anyone who exercises a lot) who take metformin should drink plenty of water or other fluids.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.