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Stomach Ache with metformin

  • Anonymous ORIGINAL POSTER
    After I take metformin, I alway feel stomach ache. I don't understand why. Please let me know what I can do
  • Samuel Grossman, BS Pharm, Pharm.D, CDE PROFESSIONAL
    Patients that take metformin often complain of nausea or stomach ache or diarrhea. In my experience, taking metformin after meals, which mean, with the last bite of the meal, helped patients reduce these symptoms.