Psilocybin toxicity: Difference between revisions

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==Background ==
==Background==
A compound found in over 200 mushrooms that has mind altering properties similar to LSD. Commonly known as "magic mushrooms" or "shrooms". The mushroom are often taken recreationally for the euphoric and hallucinogenic effects. Typically grown in the Pacific Northwest and southern regions of the United States. For a typical dose (1mg) symptoms will last 1-3 hours.
*A compound found in over 200 mushrooms that has mind altering properties similar to LSD.
*Commonly known as "magic mushrooms" or "shrooms". The mushroom are often taken recreationally for the euphoric and hallucinogenic effects. Typically grown in the Pacific Northwest and southern regions of the United States.  
*For a typical dose (1mg) symptoms will last 1-3 hours.
*Low toxicity with LD50 of 280mg/kg
**Therapeutic index = 641


=== Toxicity ===
[[File:Psilocybe semilanceata.jpg|thumb|''Psilocybe semilanceata'']]
* Low
* 280mg/kg
* Therapeutic index of 641


== Clinical Features==
==Clinical Features==
* Euphoria
*Sensory/psychiatric
* Visual hallucinations
**Euphoria
* Lethargy
**Visual [[hallucinations]], synesthesia
* [[Depression]]
**[[Lethargy]], [[Depression]]
* Synesthesia
**[[Anxiety]], agitation
**[[Confusion]], disorientation
**Above may lead to accidental [[trauma]]
*Sympathetic effects
**Mydriasis
**[[Tachycardia]]
**[[Hypertension]]
*[[Nausea]]
*[[Hypotension]]


=== Physical Effects ===
==Differential Diagnosis==
* Pupil Dilation
*[[Hypoglycemia]]
* Tachycardia
*[[TBI]]
* [[Hypertension]]
*[[CO poisoning]]
* [[Hypotension]]
*[[Meningitis]]/[[Encephalitis]]
* [[Nausea]]
*[[Opioid intoxication]]
 
*[[Antihistamines]]/[[Anticholinergic toxicity]]
=== Adverse Effects ===
* Anxiety
* Confusion
* Disorientation
* Agitation
* Accidents


==Differential Diagnosis==
{{Drugs of abuse types}}
* [[Hypoglycemia]]
{{Hallucinogen types}}
* TBI
* Other [[drugs of abuse]]
* [[CO poisoning]]
* [[Meningitis]]/[[Encephalitis]]
* [[Opioid intoxication]]
* [[Antihistamines]]/[[Anticholinergic toxicity]]


==Evaluation==
==Evaluation==
* Clinical Diagnosis
*Clinical diagnosis
* Urine toxin screen if concerned about co-ingestion
*[[Urine drug screen]] if concerned about co-ingestion


== Management ==
==Management==
* Supportive Care
*Supportive care
* Place patient in a calm and quiet environment
*Place patient in a calm and quiet environment
* Monitor Vitals
*[[Benzodiazepines]] for worsening tachycardia/hypertension or agitation
* If worsening vitals or agitation treat with Benzodiazepines
* Can be discharged if symptoms abate and vitals normalize


==Disposition==
==Disposition==
* Discharge when clinically sober
*Discharge when vitals normalize and clinically sober  


==See Also==
==See Also==
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*[[Drugs of abuse]]
*[[Drugs of abuse]]


== References ==
==References==
* Nichols DE. Hallucinogens. Pharmacol Ther 2004; 101:131.
<references/>
* UpToDate
 
*  van Amsterdam J, Opperhuizen A, van den Brink W (2011). "Harm potential of magic mushroom use: a review" (PDF). Regulatory Toxicology and Pharmacology. 59 (3): 423–9. doi:10.1016/j.yrtph.2011.01.006. PMID 21256914.
[[Category:Toxicology]]
*  Merck Index, 11th Edition, 7942
*  "Comparison of acute lethal toxicity of commonly abused psychoactive substances" (PDF). Addiction. 99 (6): 686–96. doi:10.1111/j.1360-0443.2004.00744.x. PMID 15139867.
*  Passie T, Seifert J, Schneider U, Emrich HM (2002). "The pharmacology of psilocybin". Addiction Biology. 7 (4): 357–64. doi:10.1080/1355621021000005937. PMID 14578010.
*"Comparison of acute lethal toxicity of commonly abused psychoactive substances" (PDF). Addiction. 99 (6): 686–96. doi:10.1111/j.1360-0443.2004.00744.x. PMID 15139867.
* Halpern JH1. "Hallucinogens and dissociative agents naturally growing in the United States." Pharmacol Ther. 2004 May;102(2):131-8.

Latest revision as of 20:34, 12 January 2021

Background

  • A compound found in over 200 mushrooms that has mind altering properties similar to LSD.
  • Commonly known as "magic mushrooms" or "shrooms". The mushroom are often taken recreationally for the euphoric and hallucinogenic effects. Typically grown in the Pacific Northwest and southern regions of the United States.
  • For a typical dose (1mg) symptoms will last 1-3 hours.
  • Low toxicity with LD50 of 280mg/kg
    • Therapeutic index = 641
Psilocybe semilanceata

Clinical Features

Differential Diagnosis

Drugs of abuse

Hallucinations

Serotonin-Like Agents

Enactogens

Dissociative Agents

Plant-based Hallucinogenics

  • Marijuana
  • Salvia
  • Absinthe
  • Isoxazole Mushrooms
  • Hawaiian baby woodrose (Argyreia nervosa)
  • Hawaiian woodrose (Merremia tuberosa)
  • Morning glory (Ipomoea violacea)
  • Olili- uqui (Rivea corymbosa)

Organic causes

Other Toxicologic Causes

Psychiatric Causes [1]

Evaluation

Management

  • Supportive care
  • Place patient in a calm and quiet environment
  • Benzodiazepines for worsening tachycardia/hypertension or agitation

Disposition

  • Discharge when vitals normalize and clinically sober

See Also

References

  1. Visual Hallucinations: Differential Diagnosis and Treatment. PMID PMC2660156