Most of the men around the world have erectile dysfunction and it is getting worse every day. If not treated, it can turn into a life-threatening condition. The main cause of erectile dysfunction is the lack of blood flow to the penis during sexual intercourse. Men who are having difficulty in achieving a strong erection during sex. If you are suffering from erectile dysfunction, then you need to take Tadarise 20. Just taking this medicine once can give you very good results. It is 100 percent safe and effective.