Cenforce 120 mg Tablet is a phosphodiesterase inhibitor. It works by increasing blood flow to the penis by relaxing the muscles in penile blood vessels. Headache, Diarrhoea, Dyspepsia, Flushing (sense of warmth in the face, ears, neck and trunk), Pain in extremity.Cenforce is a phosphodiesterase 5 inhibitor which works by relaxing the penile smooth muscles and by increasing the blood flow to the penis. It helps to achieve and maintain an erection but only if there is sexual stimulation.Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Cenforce 120mg Tablet is to be taken with food.