Cenforce 200 mg relaxes the smooth muscles around the pelvic organs and interferes with the production of cGMP. It reduces muscle stress and allows and maintains enough blood flow to the penis for a harder and longer lasting erection. Your erection can last about 4 to 5 hours. Cenforce is a generic Viagra recommended by medical experts to temporarily treat erectile dysfunction. Cenforce 100 is an effective dose of medicine to overcome mild to high erectile dysfunction in men.