Drug abuse Flashcards
How do you define dependance?
3 of the following symptoms for more than a month of repeatedly for a year: Craving the drug Cant control the dependance Tolerance build up Psychological withdrawal
Questions to ask in drug history taking?
First took the drug, pattern of use, dependant
Ever periods of abstinence ? reasons started again
Maximum used at one time
Route of admin
Alcohol history
Do they want to change? why now? how are they going to change?
Alcohol history?
Age first drank Age became a problem Why did it become a problem Periods of abstinence Alcohol pattern of intake over the years Why do they want to change now? how will they achieve this?
What tests are sent off from someone with a history of drug abuse?
FBC
LFTs
BBV
Urine drug screen
During an alcohol detox, what is CIWA? What levels need to be tested? How many units a day will cause withdrawal symptoms in men and women?
Clinical institude of withdrawal assessment
Thiamine
10 units in woman
15 units in man
4 drugs used to aid in alcohol withdrawal?
Nalmofene
Acamprosate
Naltrexone
Disulfiram
What is thiamine?
A co enzyme in glucose for lipid metabolism
What dose of oral thiamine can be given?
10mg
What is the IM/IV form of thiamine known as?
Pabrinex
Triad of Wernickes Syndrome?
Ataxia
Opthalmoplegia
Change in mental state
2 serious infections you can get from IV drug abuse?
Anthrax
Gangrene
Opioids effects on the body?
Reduce pain Euphoria respiratory depression Constipation Nausea and vomiting Sedation
What drug is used for mild opioid dependancy? Mode of action?
Lofexidine
Centrally acting antihypertensive
What is used for heavy dependance opioid users? (2) How is dosage determined and changed over time?
Buprenorphine - partial agonist
Methadone - full agonist
Titrate to comfortable dose over 2-3 weeks then taper over 2-6 months
What is given as long term relapse prevention of opioids?
Naltrexone