You may have heard the name Cenforce 25. This drug is becoming very popular in the market now. The sildenafil contained in this medicine is a magic drug that has proved to be a boon for men as this medicine penetrates into the body and it increases the blood flow in the male organ and helps the men to be hard and maintain for a long time. Vidalista is an effective drug. This drug provides 3 to 6 hours of effectiveness to men.