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What are the side effects of viagra (sildenafil)?

1 doctor weighed in
Dr. Maritza Baez
Family Medicine

In brief: Many

Common side effects of viagra (sildenafil) include headache, flushing, heartburn, nasal congestion uterine contractions (period cramps), abnormal vision, diarrhea, dizziness, rash, high or low sugar levels, high uric acid levels, high sodium blood level, abnormal liver function tests , and photosensitivity.
Serious reactions can include heart attack, stroke, sudden death, prolonged painful erection.

In brief: Many

Common side effects of viagra (sildenafil) include headache, flushing, heartburn, nasal congestion uterine contractions (period cramps), abnormal vision, diarrhea, dizziness, rash, high or low sugar levels, high uric acid levels, high sodium blood level, abnormal liver function tests , and photosensitivity.
Serious reactions can include heart attack, stroke, sudden death, prolonged painful erection.
Dr. Maritza Baez
Dr. Maritza Baez
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