Tuesday, May 29, 2007

Possible side effects of Viagra

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:

Back pain; diarrhea; dizziness; flushing; headache; indigestion; joint pain; lightheadedness; nasal stuffiness; vision changes (eg, blurred vision, sensitivity to light, impaired blue/green color discrimination).
Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); changes in heartbeat; chest pain; fainting; nausea; painful or prolonged erection (lasting more than 4 hours); severe dizziness; sudden decrease or loss of vision in one or both eyes; urinary tract infection.

This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

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