[Disorders of penile erection and their treatment]

With a prevalence of 1 to 2% among males of reproductive age, erectile dysfunction is relatively common. For the patient and his partner, erectile disorders may represent a highly stressful situation. Frequently, a number of overlapping causes may be found to be responsible, with a psychological component--which may also arise secondarily--being involved in nearly every form of erectile dysfunction. Possible causes, the diagnostic approach and therapeutic options are discussed.