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, stomach pain or upset;
constipation, bloating, gas;
stuffy nose;
itching, skin rash; or
muscle pain.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.