This document discusses erectile dysfunction, a sexual dysfunction characterized by difficulty obtaining or maintaining an erection. The diagnostic criteria for erectile dysfunction include difficulty obtaining or maintaining an erection during sexual activity for at least 6 months that causes distress. Treatment options include cognitive behavioral sex therapy and antidepressants like bupropion, which has been shown to help cases caused by other antidepressants. Psychotherapy and medication must be tailored to the individual based on the underlying cause of their erectile dysfunction.