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SIDE EFFECTS: See also the Warning section.Headache, nausea, vomiting, diarrhea, stomach upset, acne, cramps, increased hair growth on the face/body, shaking fingers/hands (tremor), swollen/red/painful gums, dizziness, flushing, and high blood pressure may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Your risk of infection may be higher while you are taking this medication. Tell your doctor immediately if any of these symptoms of infection occur: fever, sore throat, flu-like symptoms, painful urination.Tell your doctor immediately if any of these unlikely but serious side effects occur: severe muscle spasms, fast/irregular heartbeat, muscle weakness, confusion, change in the amount/color of urine, unusual weight gain/loss, tingling of the hands/feet, hearing problems, easy bruising/bleeding, unusual tiredness.Tell your doctor immediately if any of these rare but very serious side effects occur: dark urine, persistent nausea/vomiting, severe stomach/abdominal pain, yellowing of the skin/eyes, vomit that looks like coffee grounds, change in the appearance or size of skin moles/lesions, changes in skin color, loss of consciousness, mental/mood changes, vision changes, swollen glands, unusual lumps, night sweats.Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, seizures.A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.