VIAGRA (sildenafil citrate) is a prescription medicine used to treat erectile dysfunction (ED). VIAGRA is a phosphodiesterase-5 (PDE5) inhibitor indicated for the
For most patients, the recommended dose is 50 mg taken, as needed,
• upset stomach
• abnormal vision, such as changes in color vision (such as having a blue color tinge) and
• stuffy or runny nose
• back pain
• muscle pain
In addition, heart attack, stroke, irregular heartbeats and death have happened rarely in men
taking VIAGRA. Most, but not all, of these men had heart problems before taking VIAGRA. It is
not known if VIAGRA caused these problems.
Tell your healthcare provider if you have any side effect that bothers you or does not go away.
These are not all the possible side effects of VIAGRA. For more information, ask your healthcare
provider or pharmacist.
Recommended Storage: Store at 25°C (77°F); excursions permitted to 15-30°C (59-86°F) [see USP Controlled
VIAGRA can potentiate the hypotensive effects of nitrates, alpha blockers,
In studies with healthy volunteers of single doses up to 800 mg, adverse reactions were similar to those seen at