Penegra is the generic medication that treats the impotence problem men effectively. Sildenafil citrate, the key ingredient of this medication, cures the abnormal functioning of male reproductive system by increasing the blood supply to the male reproductive organ. It revitalizes the love-making stamina in the impotent men by allowing them to attain solid state of male reproductive organ and during the love-making. The importance of this medicine is that it treats the impotence irrespective of its cause and age of the man. It is the impotence pill that prevents the occurrence of the impotency by providing the sufficient amount of blood needed for hard state of male reproductive system.