Cenforce is a medication used to treat erectile dysfunction (ED) in men. It contains the active ingredient sildenafil citrate, which works by relaxing the blood vessels in the penis, allowing for increased blood flow and an erection. Cenforce is a generic version of the popular ED medication Viagra, and is manufactured by Centurion Laboratories in India. It comes in various strengths, ranging from 25mg to Cenforce 200 mg, and is typically taken orally about an hour before sexual activity.