Substance dependence and abuse
Posted by dkwinter

Substance dependence -- three or more of the following in a 12-month period:

  • Tolerance
  • Withdrawal
  • Consuming larger amounts
  • Unsuccessful efforts to cut down
  • Excessive time spent to obtain the substance in question
  • Decreased interest in activities as a result of drug use
  • Use despite physical/psychological problems caused by use


Substance abuse -- one of the following in a 12-month period:

  • Failure to fulfill a major obligation
  • Recurrent use in hazardous situations
  • Substance-related legal problems
  • Use despite interference in social or interpersonal function