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Basic Drug Awareness Workshop. West Essex VTS Bhags Sharma 2008. Introduction Basic drug awareness Management of the drug client Cycle of change Case scenarios. Divide into 8 groups Answer the following questions for each group: Other names for the drug What type of drug is it?
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Basic Drug Awareness Workshop West Essex VTS Bhags Sharma 2008
Introduction • Basic drug awareness • Management of the drug client • Cycle of change • Case scenarios
Divide into 8 groups • Answer the following questions for each group: • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Heroin • Cocaine • Amphetamine • Benzodiazepines • Cannabis • MDMA • Nitrates • Nicotine
Heroin • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Opiates • Opium (papaver somniferum) • Morphine • Diamorphine (heroin) semisynthetic • Methadone • L-alpha acetylmethadol (LAAM) • Dipipanone (diconal) • Codeine
Opiate receptors • Mu μ • Analgesia • Euphoria • Respiratory depression • Pupillary constriction • Kappa κ • Analgesia • Dysphoria • Depersonalisation • Delta δ • ?analgesia • ?addiction
Anxiety Restlessness Irritible Craving Yawning Sweating Eyes & nose streaming Sneezing Nausea Abdominal cramps Diarrhoea Backaches Goose flesh Opiate Withdrawal Syndrome
Pharmacotherapies • Opiate agonists • Methadone • Diamorphine • Partial opiate agonist • Buprenorphine • Alpha 2 adrenergic agonists • lofexidine • clonidine • Opiate antagonists • naloxone • naltrexone • Combination • ‘suboxone’
Pharmacology of methadone • Mu recpetor agonist • High oral bioavailability • Half – life with repeated dosing around 24 hours • Hepatic metabolism
Pharmacology of buprenorhine • Partial mu agonist • High affinity for receptors • Displaces a full agonist • Blocks effect of additional opiates • Long half life • Peak plasma levels 1.5 – 2 hrs post dose • Sublingual tablet
Naltrexone • Relapse prevention • ‘aversive’ • implants
Cocaine • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Cocaine • Erythroxylum coca • Used sniffing, IV, smoked • Rapidly absorbed • Primary reinforcer hence inherently addictive
Effects • CNS stimulant (5 HT & DA reuptake inhibitor) • Local anaesthetic • Pupillary dilatation • Vasoconstriction • Psychosis ‘cocaine bug’ • Raised BP, arrhythmias, seizures, cardiac arrest
Amphetamine • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Benzodiazepines • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Cannabis • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Cannabinoids • Cannibis sativa • Δ-9-tetrahydrocannabinol (TCH) is the active ingredient • Quickly absorbed in the lung mucosa • Highly lipid soluble • Metabolised to 11-THC
Different formulations • Bhang infused TCH 1% • Ganja/Marijuana smoked TCH 2-8% • Hashish smoked TCH 8-15% • Skunk smoked TCH 8-20% • Cannabis oil TCH 60%
Effects of cannabis • Euphoria • Reddening of the eye • Hunger • Flashbacks • Amotivational state • Psychosis
MDMA • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Nitrates • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
Nicotine • Other names for the drug • What type of drug is it? • How is it used? • What are its effects? • What are the problems associated with the drug? • Withdrawal phenomena? • How would you treat the addiction to this drug?
http://www.nta.nhs.uk/publications/documents/clinical_guidelines_2007.pdfhttp://www.nta.nhs.uk/publications/documents/clinical_guidelines_2007.pdf
Models of Care • Tier 1 services • Non substance misuse specific services requiring interface with drug and alcohol treatment • Tier 2 services • Open access drug and alcohol treatment • Tier 3 services • Structured community based treatment services • Tier 4 services • Residential services for drug and alcohol misuers
Harm reduction • Advice directed at use of safer drugs or safer routes of administration • Advice regarding safer injecting practice • Advice regarding safe sex • Prescription of maintenance opiates or benzodiazepines • Assessment and treatment of comorbid physical or mental illness • Engagement with other sources of help (e.g. social work, housing)
Harm reduction • Use new sterile needles and syringes on each occasion (give details of local needle exchange services if available) • Never share needles and syringes, spoons or filters with another user • Rotate injection sites • Avoid injecting into neck, groin or breast • Avoid injecting into infected areas • Ensure that the drug is completely dissolved before injecting • Always inject with not against the blood flow • Do not take heroin while alone
Keyworking • Harm reduction • Social skills training • Problem prioritising • Relaxation training • Anger management • Cognitive restructuring • Relapse prevention
Assessment of the drug user • Mental state • Intoxication / withdrawal • Injecting • Complications • Physical • Psychological • Social • Legal • Physical examination • Intention • Drug screen