Sildenafil (Viagra) is used
to treat erectile dysfunction (impotence; inability to get or keep an
erection) in men. Sildenafil (Revatio) is used to improve the ability to
exercise in people with pulmonary arterial hypertension (PAH; high blood
pressure in the vessels carrying blood to the lungs, causing shortness ... Side effects-
How to take-
Precautions-
Dietary Instructions-
Missed a dose