What are the Signs of Substance Use Disorder?

Substance Use Disorder (SUD) is a chronic brain disease characterized by a pattern of symptoms that cause significant distress. According to SAMHSA guidelines and DSM-5 criteria, there are 11 specific indicators used to assess and classify the severity of the disorder.

Key signs and examples of these criteria include:

  • Impaired Control: This involves using larger amounts of a substance or using it over longer periods than originally intended.
  • Failed Quit Attempts: Repeatedly trying to cut down or stop substance use without success.
  • Cravings: Experiencing intense urges to use the substance that interfere with daily life.
  • Giving Up Activities: Skipping work, hobbies, or social events because of substance use.
  • Tolerance: Needing increasingly larger amounts of the substance to achieve the same effect.
  • Withdrawal: Experiencing physical or emotional discomfort when stopping use, or using the substance specifically to avoid these symptoms.
  • Risky Use and Social Problems: Continuing to use the substance despite experiencing harmful consequences or social and interpersonal issues.

SUD is classified based on the number of criteria met: mild (2-3 symptoms), moderate (4-5 symptoms), or severe (6 or more symptoms). Identifying these signs early is the first step toward seeking treatment.


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