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substance use disorder criteria
impaired control
social impairment
risky use
pharmacological criteria (drug tolerance and withdrawal)
substance-induced disorders
intoxication
withdrawal
other substance/medication-induced mental disorders
intoxication
reversible behavioral or psychological changes related to the effect of a substance on the nervous system
level of intoxication is determined by the concentration of the substance in the blood
withdrawal
when an individual becomes so dependent on a substance that cessation or reduction in the amount of that substance consumed produces distressful and incapacitating physical manifestations
sedatives
depression of the CNS
examples of sedatives
opioids
oxycontin
heroin
stimulants
act directly on the CNS to create an increased state of arousal and concentration and speed up mental and motor activity
examples of stimulants
cocaine
caffeine
amphetamines (adderall)
methamphetamines
ritalin