Viagra has made a big name for itself in the field of erectile dysfunction (ED) treatment. The wonder drug is playing great role in boosting men's sex lives. But apart from this well known benefit, Viagra is also effective against pulmonary arterial hypertension, which mostly affects women. The Food and Drug Administration of the U.S. cleared the drug for use against pulmonary arterial hypertension in June 2005 after clinical trials. In Australia, it is undergoing the approval process set by the Therapeutic Goods Administration.

The research on Viagra