Viagra

Viagra (Sildenafil) is a world-wide recognized treatment of impotence and other ED cases.

Drug Name Viagra (Sildenafil)

Drug Uses Viagra is a world-wide recognized treatment of impotence and other cases of erectile dysfunction. Viagra is valued for its long safety record and proven results. Viagra can be used in cases not mentioned in this summery, if prescribed by a doctor.

How Taken Consult your doctor about this drug usage. Read the label on the drug carefully about possible side effects and drug precautions. Avoid Viagra if you have any heart or blood pressure diseases. Viagra is taken once a day, at a dose prescribed by a doctor. The effect from Viagra starts in 30 minutes after a drug use and lasts for about 5 hours. You should take the drug within a period of 30 minutes to 4 hours before a sexual contact. Mind that fat containing food may postpone the outset of the effect. Do not use Viagra if you are already using any nitrate-containing drugs: pills, patches or ointments, as it can cause a serious drop of blood pressure.

Drug Class and Mechanism Viagra belong to the phosphodiesterase inhibitors class. It works by blocking the work of phosphodiesterase ferments in the body. By doing this it increases the blood flow into the penis and stimulates penile erection.