If you are not able to keep your partner satisfied sexually, Cenforce is the right drug for you. This drug is used to treat male sexual problems like impotence, erectile dysfunction, and prematurity. Sildenafil, an ingredient in the aforementioned medication, helps men's penile tissue relax. You can take this medication with or without food. It takes four to six hours for this medication to start working. You can take this drug as directed by your doctor.