Cenforce 100 is a prescription drug used to treat erectile dysfunction (ED) or impotency in men. It works by increasing blood flow to the private area. This drug improves sexual performance by increasing your sexual desire. This medicine helps you enjoy sex for 4 to 5 hours. Take this medicine one hour before the sex plan. It can be taken with or without food, but it is best if taken on an empty stomach. Do not take alcohol or heavy food after taking this pill.