Cenforce d is used for the treatment of impotence. The main ingredient in this drug is sildenafil. This drug increases the amount of blood in the blood vessels in the penis so that the simulation for intercourse is achieved and the sexual erection lasts longer. You should take this medicine 20 minutes before intercourse. This tablet is used to relieve impotence or erectile dysfunction in men. Impotence is caused by slow and insufficient blood flow to the penis. So that the male cannot become a strong rect. This medicine is the solution to your problem. But do not take this medicine without proper information. Visit Cenforce.us for more information on this pill.