DSM-IV provides separate categories for Substance Abuse and Substance Dependence. The typical substance abuser is someone who gets into recurrent, but intermittent, trouble as a consequence of recreational binges. This is in contrast to the continuous and compulsive pattern of use that is typical of DSM-IV Substance Dependence.
Symptoms of alcohol and drug intoxication and withdrawal may resemble symptoms of bipolar disorder, making it difficult to diagnose and treat. ©popovartem/Shutterstock