Background Erectile dysfunction is defined as the consistent inability to maintain an erect penis. The problem can be physical or psychological in nature.
Problems can be from arterial inflow or venous outflow.
Degraded neural pathways to the lower body will impair erection. Excessive release of hormones can lead to erectile dysfunction, mainly through the decrease of sexual interest. The most frequent one is the removal of the prostate gland. These are summerised below. In addition to these solutions, various injectable drugs are available.