Vidalista 20mg consists of Tadalafil, which has been proved to cure erectile dysfunction or impotence and the other critical symptoms of benign prostatic hypertrophy or BPH and enlarged prostate. Tadalafil is the substance that leads to the relaxation of the muscles of blood vessels which in turn increases the rate of blood flow into certain areas of your body. Tadalafil can be used in treating pulmonary arterial hypertension and can also enhance the exercising capacity of men, as well as women.