Cenforce is a powerful medicine that is used for treating sexual problems in males, its main ingredient is sildenafil citrate plays an important role. This drug works by increasing the flow of blood to the penis area. You should not use this medicine if you have any type of allergy. This drug is taken on an empty stomach. Do not chew or crush these pills.  It takes 30-60 minutes for this drug to take effect. This medicine works for 4-5 hours. Use this medicine after consulting a doctor. Women should not use this medicine.