It works to eliminate the problem of sexual intercourse in men. cenforce 50 is a drug that works well in erection for a long duration. It has an immediate effect on humans. He improves his sex life with sildenafil. Sildenafil increases blood flow. Increases automatic refills. You should take the medicine with a light meal or with 1 glass of water. You take medicine from stimulated. It works in effect for 4-5 hours with prolonged sexual intercourse.