The disorder also coexists with, and borders on, other mental illnesses: depression, anxiety, bipolar (manic-depressive) disorder, schizophrenia, somatization disorder (hypochondriasis), dissociative identity disorder (multiple personality), attention deficit hyperactivity disorder (ADHD), post-traumatic stress disorder (PTSD), alcoholism, drug abuse (including nicotine dependence), eating disorders, phobias, obsessive-compulsive disorder, hysteria, sociopathy, and other personality disorders.
