Viagra and pulmonary hypertension

Viagra is now being used to treat not only erectile dysfunction (ED) but also pulmonary hypertension. And the drug may have potential for treating several other conditions, reports the August 2007 issue of Harvard Men's Health Watch.

The three ED medications currently on the market—Viagra, Levitra, and Cialis—all work by the same means, and they have similar side effects. The most common are headaches and facial flushing, which occur in 15% of men. Other reactions include nasal congestion, indigestion, and back pain. These side effects are mild and temporary. The most important worry about ED pills is their ability to widen arteries enough to lower blood pressure. And men who are taking nitrates should never use any of the ED pills.

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