Men with impotence and erectile dysfunction can be treated with cenforce. A component in the medication known as sildenafil helps men's penile tissue receive more blood flow. This medication takes four to six hours to take effect. This medication can be used either before or after meals. To ensure you enjoy sexual relations with your partner, take this medication one hour before engaging in sexual activity. Do not break or chew this medication; instead, take it with water. Follow your doctor's advice when taking this medication. Don't take this medication with cold beverages or fatty meals.