ch 11 notes - CH 11: SUBSTANCE USE DISORDERS Overview Drug...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
CH 11: SUBSTANCE USE DISORDERS Overview Drug of abuse – chemical that can alter someone’s mood, cognitive function, level of perception (also called psychoactive substance) Effects determined by: Type of drug Quantity of drug Other drugs in the system Method of administration (smoke, snort, inject, swallow) Speed of administration Tolerance Polysubstance abuse – abuse several types of drugs Commonly abused substances CNS Depressants Alcohol, barbiturates, benzodiazepines (xanax, valium), mathaqualone/quaaludes CNS Stimulants Amphetamine, Cocaine, Morphine, Methadone, Nicotine, Caffeine Opiates Heroin, opium, morphine, Methadone, Codeine Cannabinoids Marijuana, Hashish
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Hallucinogens LSD, Mescaline, Mushrooms, PCP, Ecstasy Substance-related disorders Substance-induced disorders Intoxication and withdrawal Delerium, persisting dementia, sleep disorder, mood disorder Substance use disorders Abuse and dependence Substance abuse – maladaptive pattern of substance use leading to clinically significant impairment or distress, as manifested by 1+ of the following, occurring within a 12- month period Failure to fulfill role obligations (don’t attend classes) Physically hazardous (alcohol poisoning, DUI) Legal problems (arrested for public intox, underage, DUI) Continued use despite problems Never met criteria for substance dependence for this category No alcohol abuse if diagnosed with alcohol dependence Substance dependence – maladaptive pattern of substance use, leading to clinically significant impairment or distress, as manifested by 3+ of the following, occurring at any time in the same 12 month period (more severe than above) Tolerance Withdrawal
Background image of page 2
CH 11: SUBSTANCE USE DISORDERS Amount/duration taken longer Cant cut down Trying to obtain or recover Give up important activities Continued use despite problems Specify if: with / without physiological dependence Withdrawal Other specifiers: on agonist therapy, in a controlled environment Methadone to wean off opiates Physiological vs Psychological Dependence Psychological dependence – forceful, subjective urges to use drugs, often as a means of relieving negative mood states (cravings) Physiological dependence – involves symptoms of withdrawal and tolerance Abuse vs Dependence Abuse Harmful consequences resulting from substance use Doesn’t include tolerance, withdrawal, compulsive pattern The role of cravings (not as much as dependence) Rule-out – can be diagnosed with abuse then dependence but not dependence then abuse for the same class of drugs Craving – forceful urge to use drugs
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Psychological dependence - Feel compelled to take drug to prepare for event Amt of time a person spends planning to take the drug Tolerance – the nervous system becomes less sensitve to the effects of drugs Metabolic tolerance – repeated exposure to the drug causes the person’s liver to produce more enzymes to break down the drug faster – this means the person must take larger doses to maintain the same level in the body
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 17

ch 11 notes - CH 11: SUBSTANCE USE DISORDERS Overview Drug...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online