Cannabinoid hyperemesis syndrome: Difference between revisions

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==Background==
==Background==
*Cannabis is the most widely used drug in the US and the world.
 
*Cannabis is the most widely used drug in the US and the world
*Cannabinoid hyperemesis syndrome, first described by Allen et al. in 2004 consists of nausea, vomiting, and abdominal pain in a patient with no other organic cause who frequently uses marijuana and has relief of symptoms with hot showers<ref> Allen, J H; De Moore, GM; Heddle, R; Twartz, JC (2004). "Cannabinoid hyperemesis: Cyclical hyperemesis in association with chronic cannabis abuse". Gut 53 (11): 1566–70. doi:10.1136/gut.2003.036350. PMC 1774264</ref>
*Cannabinoid hyperemesis syndrome, first described by Allen et al. in 2004 consists of nausea, vomiting, and abdominal pain in a patient with no other organic cause who frequently uses marijuana and has relief of symptoms with hot showers<ref> Allen, J H; De Moore, GM; Heddle, R; Twartz, JC (2004). "Cannabinoid hyperemesis: Cyclical hyperemesis in association with chronic cannabis abuse". Gut 53 (11): 1566–70. doi:10.1136/gut.2003.036350. PMC 1774264</ref>
*Pathophysiology not yet well understood<ref>Byrne, A; Hallinan, R; Wodak, A (2006). "'Cannabis hyperemesis' causation questioned". Gut 55 (1): 132; author reply 132. PMC 1856368</ref>
*Pathophysiology not yet well understood<ref>Byrne, A; Hallinan, R; Wodak, A (2006). "'Cannabis hyperemesis' causation questioned". Gut 55 (1): 132; author reply 132. PMC 1856368</ref>


==Clinical Features<ref>Simonetto, Douglas A.; Oxentenko, Amy S.; Herman, Margot L.; Szostek, Jason H. (2012). "Cannabinoid Hyperemesis: A Case Series of 98 Patients". Mayo Clinic Proceedings 87 (2): 114–9. doi:10.1016/j.mayocp.2011.10.005. PMID 22305024</ref>==
==Clinical Features<ref>Simonetto, Douglas A.; Oxentenko, Amy S.; Herman, Margot L.; Szostek, Jason H. (2012). "Cannabinoid Hyperemesis: A Case Series of 98 Patients". Mayo Clinic Proceedings 87 (2): 114–9. doi:10.1016/j.mayocp.2011.10.005. PMID 22305024</ref>==
Essential Features
 
* Long term cannabis use (typically > 2years)
 
Major Features
===Essential Features===
* severe cyclical nausea, vomiting  
 
* weekly use of marijuana
*Long term cannabis use (typically > 2 years)
* relief of symptoms with hot showers or baths
 
* abdominal pain: epigastric or periumbilical
 
* resolution of symptoms with cannabis cessation
===Major Features===
Supportive Features
 
* Age < 50y
*Severe cyclical [[Special:MyLanguage/nausea|nausea]], [[Special:MyLanguage/vomiting |vomiting ]]
* Weight loss > 5kg
*Weekly use of [[Special:MyLanguage/marijuana|marijuana]]
* Symptoms greater in morning
*Relief of symptoms with hot showers or baths
* Normal bowel habits
*[[Special:MyLanguage/Abdominal pain|Abdominal pain]]: epigastric or periumbilical
* Negative labs, imaging and endoscopy
*Resolution of symptoms with cannabis cessation
 
 
===Supportive Features===
 
*Age < 50y
*Weight loss > 5kg
*Symptoms greater in morning
*Normal bowel habits
*Negative labs, imaging and endoscopy
 


==Differential Diagnosis==
==Differential Diagnosis==
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{{Nausea and vomiting DDX}}
{{Nausea and vomiting DDX}}
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==Evaluation==
*Generally considered a diagnosis of exclusion after evaluating for other causes of [[Special:MyLanguage/nausea and vomiting|nausea and vomiting]]


==Diagnosis==
*Generally considered a diagnosis of exclusion after evaluating for other causes of [[Nausea and Vomiting]]


==Management==
==Management==
*Symptomatic treatment ([[Antiemetics]], anxiolytics, and hydration)
 
*Cessation of marijuana use
*Cessation of marijuana use, as hyperemetic phase lasts only 24-48 hrs unless pt relapses
*Capsaicin Cream
*Symptomatic treatment ([[Special:MyLanguage/Antiemetics|Antiemetics]], anxiolytics, and hydration)
**[[Special:MyLanguage/Haloperidol|Haloperidol]] 5 mg IV/IM and [[Special:MyLanguage/diphenhydramine|diphenhydramine]] 50 mg IV<ref>Hickey JL et al. Haloperidol for treatment of cannabinoid hyperemesis syndrome. Am J Emerg Med. 2013 Jun;31(6):1003.e5-6.</ref>
**Hot shower (>109°F), though short-lived<ref>Galli JA et al. Cannabinoid Hyperemesis Syndrome. Curr Drug Abuse Rev. 2011 Dec; 4(4): 241–249.</ref>
**[[Special:MyLanguage/Capsaicin|Capsaicin]] cream 0.025-0.075% across abdomen/arms/back, with symptoms diminishing within 30 min<ref>Leon G. Toxicology Rounds: The Anti-Munchies: Cannabinoid Hyperemesis Syndrome. Emergency Medicine News: November 2011 - Volume 33 - Issue 11 - p 14.</ref>
**[[Special:MyLanguage/Lorazepam|Lorazepam]] 1-2 mg IV <ref>Smith TN, et al. Cannabinoid hyperemesis syndrome: an unrecognized cause of nausea and vomiting. JAAPA. 2019.  Apr;32(4):1-5 </ref>
 


==Disposition==
==Disposition==
*Discharge once tolerating PO
*Discharge once tolerating PO
==See Also==
*[[Special:MyLanguage/Nausea and vomiting|Nausea and vomiting]]
*[[Special:MyLanguage/Marijuana|Marijuana]]


==External Links==
==External Links==
*[http://lifeinthefastlane.com/therapeutic-showering/ LITFL:Therapeutic Showering]
*[http://lifeinthefastlane.com/therapeutic-showering/ LITFL:Therapeutic Showering]
*[http://www.thepoisonreview.com/2014/07/16/review-of-cannabinoid-hyperemesis-syndrome/ The Poison Review: Review of cannabinoid hyperemesis syndrome]
*[http://www.thepoisonreview.com/2014/07/16/review-of-cannabinoid-hyperemesis-syndrome/ The Poison Review: Review of cannabinoid hyperemesis syndrome]


==See Also==
*[[Nausea and Vomiting]]
*[[Marijuana]]


==References==
==References==
<references/>
<references/>


[[Category:Tox]]
[[Category:Toxicology]]
[[Category:GI]]
[[Category:GI]]
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Latest revision as of 21:46, 4 January 2026


Background

  • Cannabis is the most widely used drug in the US and the world
  • Cannabinoid hyperemesis syndrome, first described by Allen et al. in 2004 consists of nausea, vomiting, and abdominal pain in a patient with no other organic cause who frequently uses marijuana and has relief of symptoms with hot showers[1]
  • Pathophysiology not yet well understood[2]


Clinical Features[3]

Essential Features

  • Long term cannabis use (typically > 2 years)


Major Features

  • Severe cyclical nausea, vomiting
  • Weekly use of marijuana
  • Relief of symptoms with hot showers or baths
  • Abdominal pain: epigastric or periumbilical
  • Resolution of symptoms with cannabis cessation


Supportive Features

  • Age < 50y
  • Weight loss > 5kg
  • Symptoms greater in morning
  • Normal bowel habits
  • Negative labs, imaging and endoscopy


Differential Diagnosis

Nausea and vomiting

Critical

Emergent

Nonemergent


Evaluation

  • Generally considered a diagnosis of exclusion after evaluating for other causes of nausea and vomiting


Management

  • Cessation of marijuana use, as hyperemetic phase lasts only 24-48 hrs unless pt relapses
  • Symptomatic treatment (Antiemetics, anxiolytics, and hydration)


Disposition

  • Discharge once tolerating PO


See Also


External Links


References

  1. Allen, J H; De Moore, GM; Heddle, R; Twartz, JC (2004). "Cannabinoid hyperemesis: Cyclical hyperemesis in association with chronic cannabis abuse". Gut 53 (11): 1566–70. doi:10.1136/gut.2003.036350. PMC 1774264
  2. Byrne, A; Hallinan, R; Wodak, A (2006). "'Cannabis hyperemesis' causation questioned". Gut 55 (1): 132; author reply 132. PMC 1856368
  3. Simonetto, Douglas A.; Oxentenko, Amy S.; Herman, Margot L.; Szostek, Jason H. (2012). "Cannabinoid Hyperemesis: A Case Series of 98 Patients". Mayo Clinic Proceedings 87 (2): 114–9. doi:10.1016/j.mayocp.2011.10.005. PMID 22305024
  4. Hickey JL et al. Haloperidol for treatment of cannabinoid hyperemesis syndrome. Am J Emerg Med. 2013 Jun;31(6):1003.e5-6.
  5. Galli JA et al. Cannabinoid Hyperemesis Syndrome. Curr Drug Abuse Rev. 2011 Dec; 4(4): 241–249.
  6. Leon G. Toxicology Rounds: The Anti-Munchies: Cannabinoid Hyperemesis Syndrome. Emergency Medicine News: November 2011 - Volume 33 - Issue 11 - p 14.
  7. Smith TN, et al. Cannabinoid hyperemesis syndrome: an unrecognized cause of nausea and vomiting. JAAPA. 2019. Apr;32(4):1-5