This document provides an overview of somatoform and dissociative disorders. It describes the major classifications in the DSM-IV including somatization disorder, conversion disorder, hypochondriasis, body dysmorphic disorder, pain disorder, and undifferentiated somatoform disorder. Key characteristics, differential diagnoses, treatments, and prognoses are outlined for each disorder. Paraphilias are also discussed including types such as pedophilia, voyeurism, and fetishism. Gender identity disorder and homosexuality are differentiated from paraphilias.