July 9th, 2010 by admin

Viagra known as sildenafil , is the first drug in a new class of medications known as inhibitors of phosphodiesterase type 5 that improve blood flow to the penis. Take Viagra about one hour before anticipated sexual activity, Viagra works naturally only in the presence of sexual stimulation.

Viagra relaxes muscles and allows increased blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction (impotence) and in the treatment of pulmonary arterial hypertension.

Viagra also retards ejaculation and allows for better and bigger erections