Letrozole Side Effects

Brand Names: Femara

Please note - some side effects for Letrozole may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects of Letrozole - for the consumer

Letrozole

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 when using Letrozole:

Arthritis; back, bone, leg, or arm pain; breast pain; constipation; cough; diarrhea; dizziness; headache; hot flushes; flu-like symptoms; flushing; increased sweating; indigestion; infection; joint or muscle pain; loss of appetite; nausea; night sweats; pain; sleeplessness; stomach pain; tiredness; urinary tract infection; vaginal dryness; vomiting; weakness; weight gain or loss.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); calf pain or tenderness; chest pain; confusion; numbness of an arm or leg; one-sided weakness; severe stomach pain; shortness of breath; sudden severe headache, vomiting, dizziness, or fainting; swelling of the ankles or feet; unexplained sore throat or fever; unexplained vaginal bleeding or discharge; vision or speech changes.

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