Cenforce 200 will only help you get an erection if you receive sexual stimulation. Erectile Dysfunction is a condition in which a man is unable to get or maintain an erection, resulting in sexual intercourse. This medicine comes in different doses, so it is important to consult your doctor while taking the medicine. During sexual stimulation, sildenafil improves erectile dysfunction by boosting blood circulation to the penis. An erection in the penis may result from the increased flow of blood.