Viagra is the brand name for sildenafil citrate and is used to treat erectile dysfunction and pulmonary arterial hypertension.
Viagra can help men who cannot achieve or sustain an erection due to erectile dysfunction improves.
Viagra prevents cGMP from becoming degraded, so the blood flow and the erection can continue
For erectile dysfunction, Viagra comes in blue, diamond-shaped pills, in doses of 25, 50, or 100 mg.
The individual takes a maximum of one pill in a 24-hour period, 30 minutes to 1 hour before sexual intercourse.
Viagra is a well-known drug for the treatment of erectile dysfunction, a distressing and common condition.
Viagra works by slowing down the action of PDE5, an enzyme that works in the tissues of the penis.
Viagra and the other PDE-5 inhibitors can help men with erectile dysfunction (male impotence) by enhancing the erectile response when a man is sexually stimulated. Aside from Viagra, the other drugs in this class are Cialis (Tadalafil) and Levitra (Vardenafil).