This document provides an overview of sexual disorders presented by Ujjwal Sharma. It classifies sexual disorders into four main types: gender identity disorder, psychological and behavioral disorders associated with sexual development, paraphilias (disorders of sexual preferences), and sexual dysfunction. Potential causes of sexual disorders include physical, hormonal, psychological, and lifestyle factors. Specific disorders like transsexualism, dual-role transvestism, and gender identity disorder of childhood are described. Symptoms and treatment options for sexual dysfunction are outlined. The nurse's role in assessment and management is also discussed.