cenforce tablet is used to treat men suffering from erectile dysfunction. The active ingredient in this medicine is Sildenafil citrate. The effect of this medicine lasts for 4 to 6 hours. And if the effect of this medicine lasts for more than 6 hours, seek the help of a doctor immediately. If you want to see the good effect of this medicine, take this medicine one hour before sexual intercourse. Consult a doctor before using this medicine.