Cenforce D Tablet is a prescription medicine used to treat erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. This helps men get or keep an erection. It belongs to a group of medicines known as phosphodiesterase type 5 (PDE 5) inhibitors. Cenforce D can be taken on an empty stomach or with a meal. It should be taken strictly as directed by your doctor. It should take about 1 hour before you plan to have sex. The time it takes to work varies from person to person, but usually takes between 30 minutes and 1 hour. This medicine will only help you get an erection if you are sexually stimulated. However, you should not take this medicine unless you have erectile dysfunction. It should not be taken more than once a day.