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Substance Use Disorders
DSM 5 •Substance-use disorders•11 symptoms that range from relatively mild to severe – Mild (2-3 symptoms) – Moderate (4-5 symptoms) – Severe (6 or more symptoms) •DSM 5 also provides criteria for: – Intoxication – Withdrawal
•SUBSTANCE USE DISORDER1.Substance is o<en taken in larger amounts or over a longer period than was intended.2.There is a persistent desire or unsuccessful efforts to cut down or control substance use.3.A great deal of Ime is spent in acIviIes necessary to obtain substance, use substance, orrecover from its effects.4.Craving, or a strong desire or urge to use substance.5.Recurrent substance use resulIng in a failure to fulfill major role obligaIons at work,school, or home.6.ConInued substance use despite having persistent or recurrent social or interpersonalproblems caused or exacerbated by the effects of substance.7.Important social, occupaIonal, or recreaIonal acIviIes are given up or reduced becauseof substance use.8.Recurrent substance use in situaIons in which it is physically hazardous.9.Substance use is conInued despite knowledge of having a persistent or recurrent physicalor psychological problem that is likely to have been caused or exacerbated by substance.10.Tolerance, as defined by either of the following:•A need for markedly increased amounts of substance to achieve intoxicaIon or desiredeffect.•A markedly diminished effect with conInued use of the same amount of substance.11.Withdrawal, as manifested by either of the following:•The characterisIc withdrawal syndrome for substance (refer to Criteria A and B of thecriteria set for substance withdrawal).•substance (or a closely related substance, such as a benzodiazepine) is taken to relieve oravoid withdrawal symptoms.
Five Main Categories of Substances1.Depressants–Behavioral sedaIon (e.g., alcohol, sedaIve, anxiolyIcdrugs)2. Opiates–Produce analgesia and euphoria (e.g., heroin, morphine,