Millions of men around the world are suffering from a growing problem of erectile dysfunction and impotence. So to treat this problem you should use Kamagra gold tablet which contains Sildenafil as an active ingredient that increases blood flow in the range and relaxes blood vessels so this medicine helps men to get an erection for a long time. The effect of this medicine lasts for 4-5 hours so it is important to consult your doctor while taking this medicine.