substance dependence Flashcards

(56 cards)

1
Q

what is the definition of substance dependence

A

a cluster of cognitive behavioral and physiological phenomena that develop after repeated substance use.

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2
Q

what is 1 unit of alcohol

A

10ml of pure alcohol

or

1l of 1% alcohol

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3
Q

what is the nhs guidance on the amount of units a week

A

no more than 14

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4
Q

what is 14 units in glasses of wine

A

7 standard glasses of wine

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5
Q

when is the best time to identify alcohol misuse

A

drug history

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6
Q

what are the mild symptoms of alcohol withdrawal

A

anxiety

nausea

tremor

tachycardia / palpitations

insomnia

sweating

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7
Q

what are the severe symptoms of alcohol withdrawal

A

delerium

depressions

fever / hypothermia

seizures

hyper/hypotension

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8
Q

what is the timeframe in which a patient that hasn’t had alcohol may experience severe symptoms

A

12-18 hours

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9
Q

What symptom of alcohol withdrawal is considered a medical emergency

A

delirium

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10
Q

what is delirium characterized by

A

agitation
confusion
fear
paranoia
disturbed sleep

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11
Q

What is the first line for delirium

A

benzodiazepine oral

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12
Q

what else can we give for delirium

A

IV benzo
Iv haloperidol
Iv pabrinex
Iv fluids

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13
Q

what is wernicke’s encephalopathy

A

due to thiamine deficiency which is caused by the abuse of alcohol.

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14
Q

what are the symptoms of wernicke’s encephalopathy

A

severe cognitive impairment

delirium

ataxia

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15
Q

what syndrome can occur if wernicke’s encephalopathy is not treated

A

korsakoffs (memory disorder)

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16
Q

how do we treat wernickes encephalopathy

A

oral thiamine

iv pabrinex if patient has altered mental status

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17
Q

what is pabrinex

A

vit b and ascorbic acid and comes in two vials

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18
Q

what is chlordiazepoxide used for

A

drug assisted detox of alcohol

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19
Q

how is the starting dose of chlordiazepoxide determined

A

CIWA score - starting dose estimated from current level of alcohol consumption

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20
Q

what are the two dosing regiments for chlordiazepoxide

A

fixed - they only get it at certain times

variable - they get it whenever but is only used in specialist settings.

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21
Q

what is acamprosate

A

NMDA antagonist

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22
Q

what is acamprosate used for

A

prevents relapse once abstinence happens

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23
Q

how long should acamprosate be used for

A

6 months - 1 year

24
Q

what are the contraindications of acamprosate

A

pregnancy
breastfeeding
creatinine > 120mcmol/l

25
what are the side effects of acamprosate
gi sex dysfunc skin reaction
26
how long should we monitor acamprosate
6 months
27
when should we stop acamprosate
stop drinking persists 4-6 weeks after initiation
28
29
what is disulfiram used for
produces unpleasant physical symptoms when a patient drinks alcohol 👁️👄👁️
30
when is disulfiram used
used in hospital or specialist use
31
how often we monitor disulfiram (3 steps)
2 weeks for first 2 months then month for 4 months then 6 montly if use continues
32
what are the contraindication
Alcohol consumed in 24 hours Cardiac disease Severe mental illness Liver impair Pregnant and breastfeeding
33
what are the main interactions of disulfiram
amitriptyline benzodiazepines drugs metabolised by liver
34
what is the interaction between disulfiram and amitriptyline
can increase the intensity of the disulfiram reaction
35
what is the interaction between disulfiram and benzos
disulfiram inhibits their metabolism and can increase the sedative effects
36
what is the interaction between disulfiram and drugs metabolized by liver
can affect the effect and increase the side effects
37
what are the symptoms of opioid intox
constricted pupils itching scratching sedation somnolence lower bp
38
what are the symptoms of acute withdrawal of opioids
abdominal cramps nausea vomitting diarrhea tremor anxiety hypertension
39
how do we help treat opioid dependence
give them a prescription which they are replaced on rather than using the opiate / opioid this is to help stabilize and reduce risk
40
METHADONE VS BUPRENORPHINE what has the lower risk of overdose in first weeks of treatment
buprenorphine
41
METHADONE VS BUPRENORPHINE which is more effective in retaining people in treatment
METHADONE
42
METHADONE VS BUPRENORPHINE which gives a clear head response
BUPRENORPHINE
43
METHADONE VS BUPRENORPHINE which gives a clouding
METHADONE
44
METHADONE VS BUPRENORPHINE which is more sutible for people who use large quantities of heroin
METHADONE
45
METHADONE VS BUPRENORPHINE which is less affected by inhibiting liver enzymes
BUPRENORPHINE
46
METHADONE MOA
long acting agonist
47
METHADONE contraindications
non opioid dependent allergic <15 liver disease
48
Methadone cautions
severe mental illness chronic pain head injury respiratory disease QT prolongation
49
What do SSRI's do to methadone level
increase
50
What do Anti-epileptic do to methadone and bup levels
decrease
51
What does fluconazole do to methadone and bup levels
increase
52
what does macrolides do to methadone and bup levels
increase
53
Burpenorphine contraindications
severe respiratory disease allergy
54
what are the buprenorphine cautions
qt prolong hep b recent head injury severe respiratory disease
55
what are the side effects of buprenorphine
respiratory depression fatigue anxiety depression
56