This document provides an overview of sexual disorders, including the sexual response cycle consisting of desire, excitement, orgasm, and resolution phases. It discusses various disorders like gender identity disorder, paraphilias involving sadism, masochism, voyeurism, and others. Sexual dysfunctions involving problems with desire, arousal, orgasm or pain are also covered. The etiology may involve physical, psychological or social factors. Treatment options discussed include counseling, psychotherapy, hormone therapy, and behavioral therapy depending on the specific disorder.