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Submitted by Anonymous (not verified) on
The drug Sildenafil citrate is sold under the brand name Viagra by the pharmaceutical company Pfizer.<br> <br> <br> <br> Other brand names for the drug are Revatio and both serve the same function. The drug is prescribed in cases of erectile dysfunction and pulmonary arterial hypertension. It is known to be effective in increasing <br> <br> exercise related stamina in both men and women. It has been available in the markets since then. In a clinical trial on 3000 patients, Viagra - <br> <br> was found effective for <br> <br> sustaining erection in 60 to 80% of the patients. Viagra has received approval from the Food and Drug Administration of USA <br> <br> in March 1998.
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