Ethanol withdrawal: Difference between revisions

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*Withdrawal symptoms due to reduced GABA and increased glutamate
*Withdrawal symptoms due to reduced GABA and increased glutamate
*Benzos useful due to cross tolerance at ethanol GABA receptor
*Benzos useful due to cross tolerance at ethanol GABA receptor
*Sx triggered Tx
*Symptom triggered therapy
**As effective as fixed dose tx with more rapid detox
**As effective as fixed dose therapy, but w/ more rapid detox


==Diagnosis==
==Diagnosis==
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==Treatment==
==Treatment==
*Benzos
*Benzos
**PO route
**PO route (appropriate for mild withdrawal)
***Diazepam 10-20mg PO q1-2hr
***Diazepam 10-20mg PO q1-2hr
***Chlordiazepoxide 50-100mg PO q1-2hr
***Chlordiazepoxide 50-100mg PO q1-2hr
**IV route
**IV route (appropriate for moderate-severe withdrawal)
***Diazepam 5-10mg IV q5-10min
***Diazepam 5-10mg IV q5-10min (titrated to effect)
***Lorazepam 2-4mg IV Q10min
***Lorazepam 2-4mg IV Q15-20min (titrated to effect)
*Banana Bag
*Banana Bag
**Thiamine 100mg IV
**Thiamine 100mg IV
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*Multiple seizures: 60% of pts
*Multiple seizures: 60% of pts
*Progression to DTs: 33% of pts
*Progression to DTs: 33% of pts
*Tx with benzos (not phenytoin)
*Treat with benzos (not phenytoin)


===Alcoholic Hallucinosis===
===Alcoholic Hallucinosis===
*Onset after last drink - 12-24hr
*Onset after last drink: 12-24hr
*Visual hallucinations are most common
*Visual hallucinations are most common
*Different from delirium tremens
*Different from delirium tremens
**Resolves w/in 24-48 from last drink (before onset of DTs)
**Resolves within 24-48 from last drink (before onset of DTs)
**No delirium
**No delirium
**Normal vital signs
**Normal vital signs
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***Can double subsequent doses until achieve goal
***Can double subsequent doses until achieve goal
*Propfol
*Propfol
**Consider intubation + propofol gtt if benzo-nonresponsive
**Consider intubation + propofol drip if benzo-nonresponsive
*Thiamine 100mg
*Thiamine 100mg


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==Source==
==Source==
UpToDate
*UpToDate


[[Category:Tox]]
[[Category:Tox]]

Revision as of 16:43, 18 February 2012

Background

  • Withdrawal symptoms due to reduced GABA and increased glutamate
  • Benzos useful due to cross tolerance at ethanol GABA receptor
  • Symptom triggered therapy
    • As effective as fixed dose therapy, but w/ more rapid detox

Diagnosis

  1. Reduction in alcohol use that has been heavy and prolonged
  2. At least 2 of the following
    1. Autonomic hyperactivity (e.g., diaphoresis, HR>100)
    2. Increased hand tremor
    3. Insomnia
    4. Nausea/vomiting
    5. Transient visual, tactile, or auditory hallucinations
    6. Psychomotor agitation
    7. Anxiety
    8. Grand mal seizures

Treatment

  • Benzos
    • PO route (appropriate for mild withdrawal)
      • Diazepam 10-20mg PO q1-2hr
      • Chlordiazepoxide 50-100mg PO q1-2hr
    • IV route (appropriate for moderate-severe withdrawal)
      • Diazepam 5-10mg IV q5-10min (titrated to effect)
      • Lorazepam 2-4mg IV Q15-20min (titrated to effect)
  • Banana Bag
    • Thiamine 100mg IV
    • Folate 1mg IV (cheaper PO)
    • MVI 1 tab IV (cheaper PO)
    • Magnesium sulfate 2mg IV
    • NS 1L IV
  • Other
    • Beta blockers
      • Improve VS, reduces craving
    • Alpha agonists (clonidine)
      • Decrease severity of sxs

Seizures

  • Onset after last drink: 6-48h
  • Multiple seizures: 60% of pts
  • Progression to DTs: 33% of pts
  • Treat with benzos (not phenytoin)

Alcoholic Hallucinosis

  • Onset after last drink: 12-24hr
  • Visual hallucinations are most common
  • Different from delirium tremens
    • Resolves within 24-48 from last drink (before onset of DTs)
    • No delirium
    • Normal vital signs

Delirium Tremens

Diagnosis

  • Onset after last drink - 48 to 96hrs
  • Delirium
    • Disconnected from the environment
  • Hyerdynamic vital signs
  • Febrile

Treatment

  • Goal = sleepy, but arousable w/ HR <110
  • Diazepam
    • Long duration of action, max effect within 5min
    • Start 10mg IV
      • Redose q5min after observing effect
      • Can double subsequent doses until achieve goal
  • Propfol
    • Consider intubation + propofol drip if benzo-nonresponsive
  • Thiamine 100mg

Disposition

  • Admit:
    • Multiple seizures
    • DTs
    • Decr LOC
    • Inability to control withdrawal
  • Consider D/C with 3 day course if want to quit

See Also

Source

  • UpToDate