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:
Bad taste in mouth; constipation; diarrhea; dizziness; headache; nausea; trouble sleeping; vomiting.
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; unusual hoarseness); agitation; bloody stools; bloody vomit; chills, fever, or sore throat; confusion; exaggerated reflexes; excitation; fast heartbeat; loss of coordination; mental or mood changes; muscle spasms; prolonged or repeated nausea or vomiting; red, swollen, peeling, or blistered skin; seizures; severe or continuing diarrhea; stomach pain/cramps; sweating; swelling of the hands or feet; tingling or numbness of the hands or feet; unusual bleeding or bruising; unusual tiredness or weakness; vaginal irritation or unusual discharge; vision changes (including decreased or blurred vision, changes in color vision, loss of vision); white patches in the mouth.
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.