cenforce 120 mg tablet contains Sildenafil as an active ingredient which is intended for the treatment of erectile dysfunction and impotence problems.This drug increases blood flow in the series and relaxes the blood vessels hence this medicine helps men to get strong and long-lasting erections with their partners.The effect of this medicine lasts for 4-5 hours. This medicine should be taken 30 minutes before sexual intercourse, so it is necessary to consult your doctor before consuming this medicine.