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Table 1 Criteria for substance use disorders (SUD)

From: Association of PICK1 and BDNF variations with increased risk of methamphetamine dependence among Iranian population: a case–control study

Num Categories of behaviour Criteria for Substance Use Disorders (SUD)*
1 Impaired control Used larger amounts or longer: Taking the drug in greater quantities or over prolonged periods of time
2 Repeated attempts to control use and/or quit: Wanting to cut or avoid using the substance, but they haven't been successful
3 Much time spent using: Spending a lot of time to get, using, or recover from substance using
4 Craving: Cravings and encourages the substance to be used
5 Social impairment Activities given up to use: Not able to do what you can do at home, at work, or at school that you once liked because of substance use
6 Social or interpersonal problems related to use: Continuing to use, even though it creates issues in your relationships or conflicts with others
7 Neglected major roles to use: Giving up and refusing to perform significant social, occupational or recreational functions as a result of substance use
8 Risky use Hazardous use: Using substances again and again, including though you or others are in danger
9 Social or interpersonal problems related to use: Continuing to use, even though you know that you have a physical or psychological condition which may have been triggered or exacerbated by the substance
10 Pharmacological indicators Tolerance: Need more substance to have the effect you like
11 Withdrawal: Development of withdrawal symptoms and signs of withdrawal, which can be eased by taking more of the substance
  1. *In the present study, substance use disorders (SUD) is recognized by these 11 criteria