Increasingly, millions of men around the world are suffering from the problem of erectile dysfunction and impotence and are looking for a cure. Therefore, men should use Kamagra Oral Jelly for the treatment of this problem which contains sildenafil as the active ingredient which works to treat men suffering from erectile dysfunction and impotence problems. The effect of this drug lasts for 4-5 hours. Therefore, men should take this medicine only once a day. It is important to consult your doctor while taking this medicine.