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:
Headache; muscle aches; sore throat; weight gain.
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); blurred vision or other vision changes; symptoms of heart failure (eg, shortness of breath; sudden unexplained weight gain; swelling of the hands, ankles, or feet); symptoms of liver problems (eg, dark urine; stomach pain; unexplained nausea, vomiting, or loss of appetite; yellowing of the skin or eyes; sweating); symptoms of low blood sugar (eg, anxiety; chills, increased hunger, headache; increased dizziness or drowsiness; tremors); unusual bone pain; unusual tiredness or weakness.
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.