Cenforce 100 is a drug that treats erectile dysfunction (ED) in men. It has sildenafil citrate, the same active component as Viagra. Cenforce 100 acts by enhancing blood flow to the penis upon sexual stimulation, aiding in the achievement and maintenance of a hard erection. It is a class of drugs known as PDE5 inhibitors, which relax the blood vessels and enhance circulation. It should be administered about 30-60 minutes prior to sex and only in the presence of medical supervision.