Kamagra100 Erectile dysfunction or impotence is a medical condition wherein a man faces difficulties in achieving and maintaining erections For some men, obtaining an erection isn’t much of a deal, however. Maintaining an erection long enough to hold out sexual activity with the partner is the main issue. The main reason behind male erectile dysfunction is that an inadequate amount of blood is available to the phallus. Erection happens because the blood rushes into the phallus at the time of arousal or sexual stimulation