Cenforce D This drug works in improving sex. It works in maintaining a permanent erection. It works prematurely with sildenafil for a long time with your partner. That medicine will not work without stimulation. Take this medicine 4 hours or 30 minutes before sexual intercourse. Take medicine in the required amount. This drug works in a strong relationship with its partner. You take the medicine by consuming it or adding 1 glass of water. Take medicine according to that time.