All medicines may cause side effects, but many people have no, or minor, side effects.
Check with your doctor if any of these most common side effects persist or become bothersome:
Constipation; gas; headache; stomach pain or upset; weakness.
Seek medical attention right away if any of these severe side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bone, joint, or tendon pain; change in the amount of urine produced; chest pain; dark urine; fever, chills, or persistent sore throat; flu-like symptoms; joint pain; muscle pain, tenderness, or weakness (with or without fever or fatigue); painful or frequent urination; pale stools; red, swollen, blistered, or peeling skin; severe stomach pain; swelling of the hands, ankles, or feet; yellowing of the eyes or skin.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider.