Overview

Substance Use Disorder

Substance use disorder (SUD), also known as a drug use disorder, is the persistent use of drugs (including alcohol) despite substantial adverse consequences. Substance use disorders are characterized by an array of mental, physical, and behavioral symptoms that may cause problems related to loss of control, strain to one's interpersonal life, hazardous use, tolerance, and withdrawal. Drug classes that are involved in SUD include:

  • Alcohol
  • Methamphetamines
  • Cannabis
  • Hallucinogens, opioids, and benzodiazepines