How long do the nausea and diarrhea last after starting metformin?
Gastrointestinal discomfort and other indigestion related problems are the most commonly reported adverse effects of metformin.
Usually symptoms lessen over time and go away with long-term use (usually after 3-4 weeks at the same dose). If diarrhea and nausea continue, one should make sure to take the medication in the middle of a meal. Also consider diet — the uncomfortable side effects may be prolonged by a diet that is high in carbohydrates and/or high in fat. Reducing both may lessen symptoms.
Usually symptoms lessen over time and go away with long-term use (usually after 3-4 weeks at the same dose). If diarrhea and nausea continue, one should make sure to take the medication in the middle of a meal. Also consider diet the uncomfortable side effects may be prolonged by a diet that is high in carbohydrates and/or high in fat. Reducing both may lessen symptoms.