Viagra and Pulmonary Arterial Hypertension

Pulmonary Arterial Hypertension makes… strange bedfellows?

Viagra can help the young and breathless – Health – Times Online

Until now Viagra (sildefanil) has been used mainly to correct the common problem of impotence in older men panting away in bed. But now it has a new medicinal purpose, for which it will be renamed Revatio. It will also acquire a new shape and colour and be prescribed in a different dose. For the drug, manufactured by Pfizer, has been found to have a dramatic effect in treating a rare but always debilitating and eventually fatal disease: pulmonary arterial hypertension.