What are the possible side effects of simvastatin?
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Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using simvastatin and call your doctor at once if you have any of these serious side effects:
- muscle pain, tenderness, or weakness with fever or flu symptoms and dark colored urine.
Less serious side effects may include:
- mild stomach pain, gas, bloating, stomach upset, heartburn;
- nausea;
- constipation; or
- diarrhea.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.