Substance use is the continued use of alcohol, illegal drugs, or the misuse of prescription or over-the-counter drugs with negative consequences. These consequences may involve:
- Problems at work, school, home or in interpersonal relationships
- Problems with the law
- Health problems
- Physical risks that come with using drugs in dangerous situations
Substances that are commonly used include:
Substance abuse; Illicit drug abuse; Narcotic abuse; Hallucinogen abuse
American Psychiatric Association. Substance-related and addictive disorders. In: American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Arlington, VA: American Psychiatric Publishing; 2013:481-590.
Weiss RD. Drugs of abuse. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 31.