The active constituent present in Cenforce is Sildenafil citrate. It was the first oral drug approved by the FDA in 1998 for the treatment of erectile dysfunction. It was discovered by a team of scientists working at Pfizer while looking for a treatment of angina. Its discovery was a breakthrough in the field of sexual medicine. Sildenafil citrate has a molecular formula of C22H30N6O4S and a molar mass of 474.58 g/mol. Along with erectile dysfunction, Sildenafil citrate is also useful for treating, Raynaud’s phenomenon, high altitude pulmonary edema and pulmonary hypertension. It is available on prescription and does not produce dependence. It is available in doses such as 25mg, 50mg, and 100mg for treating erectile dysfunction. The most commonly prescribed dose of Cenforce is 50mg. The dose can be increased or decreased depending on your severity of erectile dysfunction and your medical history.