Can metformin cause diarrhea?

Digestive side effects are common with metformin, affecting up to 75% of people who take it. Diarrhea occurs more often with immediate-release metformin than with extended-release, appearing in 53.2% of immediate-release users compared with 10% of those taking the extended-release form. Ask your doctor about switching to metformin ER to manage diarrhea.

Want more info? Get tips for preventing and managing metformin diarrhea 

See more metformin resources below:

• Does metformin cause constipation?

• Metformin side effects

• Long-term side effects of metformin

Medical disclaimer: This content is for general informational purposes only and does not constitute medical advice. Always consult your endocrinologist or healthcare provider before making changes to your medication regimen.

Sources

• Metformin-induced chronic diarrhea and weight loss after years of treatment, Clinical Diabetes (2021)