Cenforce 50 medicine is the best option to cure erectile dysfunction in men. Sildenafil is used as the main ingredient in this medicine which helps in erection by relaxing the muscles and increasing the blood flow capacity in the penis. The effect of this medicine can be felt for 2 to 3 hours so this medicine should be used as per the advice of the doctor. This drug must be used only once a day or it may cause side effects.