Erectile dysfunction is one of the top most causes for a failed relationship not only that it severely dents ones confidence to such an extent that males start avoiding lovemaking. Erectile dysfunction is a sexual dysfunction where in a male is incapable of maintaining sufficient erection of during lovemaking. The main cause of erection is when blood is preserved within the male organ making it look like a Hydraulic effect. Source : remedies for erectile dysfunction The first and the foremost thing that comes to mid whenever we think of erectile dysfunction is Viagra. The main ingredient in this pill is sildenafil citrate which helps penis muscles relax so that blood flow to the penis can be increased leading to hard and firm erections. However drugs like Viagra and Cilais etc. suffer with a major handicap. Such medications come with a lot of side effects and at times can even prove fatal. Impotence injections shots are another method for cures for erectile dysfunction. These injections use a medicine called paparavine which is injected directly into the penis. Though such shots are quite effective, they are expensive and need constant monitoring by a doctor. Not only this one of the side effects of such injections is priapism which refers to prolonged painful erections that can at times last for up to 48 hours.