SIDE EFFECTS: Nausea, vomiting, headache, diarrhea, and stomach upset may occur. If any of these effects persist or worsen, notify your doctor promptly. Tell your doctor immediately if any of these serious side effects occur: rash, vision changes, tingling or numbness of the hands/feet, mental/mood changes, trouble urinating or painful urination, ringing in the ears. Tell your doctor immediately if any of these unlikely but very serious side effects occur: easy bruising or bleeding, pale skin, yellowing eyes or skin, dark urine, stomach pain, unusual weakness/fatigue, persistent sore throat or fever, seizures, severe rash with open sores. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: itching, swelling, dizziness, trouble breathing. Use of this medication for prolonged or repeated periods may result in a secondary infection (e.g., oral or vaginal fungal infection). Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge or other new symptoms. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: This medication is not recommended for use if you have the following medical conditions: blood problems (e.g., low blood cell counts such as white blood cells or platelets), severe liver or kidney problems. Tell your doctor your medical history, especially of: seizure disorder, other kidney or liver problems, asthma, folic acid deficiency, any allergies (especially to sulfa drugs). Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication is not recommended for use during pregnancy. Consult your doctor for more details. It is not known whether this drug passes into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended.
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.
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