Sildenafil drug guide

It is characterized by abnormally high blood pressures in the arteries of the lungs. There is a clear need for new treatment options for patients suffering from this deadly disease. Orphan drug status allows for 10year market exclusivity and restricts approval of similar products for the same indication over the exclusivity period. Viagra is available only from health care providers and should always be used in accordance with its approved labeling. Viagra is contraindicated in patients who use nitrates in any form at any time.

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