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What Is Cannabis Hyperemesis Syndrome (Greening Out) Leave a comment

Would you ever think that cannabis, a plant that is used for treating nausea and related conditions, could actually cause it? Neither would I. However, there actually IS a possibility that marijuana will make you experience gastrointestinal discomfort – it’s called Cannabis Hyperemesis Syndrome, also known as Cannabinoid Hyperemesis Syndrome, or CHS. This recently and poorly understood condition can be caused by heavy, chronic marijuana use. The “hyperemetic” term relates to vomiting, nausea, compulsive bathing, and other severe symptoms, but it may very well be preceded by a period of less worrying symptoms, e.g. morning nausea and consistent urges to vomit.

 

You may have heard the term “Greening Out” – CHS is the technical term for this. You know your own boundaries when it comes to your marijuana intake, at one-time or throughout the day. Read on to learn more about the possible effects, and why you can “Green out”…

The Discovery of Cannabis Hyperemesis Syndrome

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Source: The Marijuana Times

 

If you want to dig deeper into this subject, I strongly recommend reading this 2011 study from Temple University; its results may not be jaw-dropping but they will surely make you speechless for a while.

 

Because cannabis is used to treat nausea and other gastrointestinal discomfort, this acute condition is particularly deceptive. Over time, you may experience stronger abdominal pain or a constant urge to vomit, which, of course, will make you take your medical pot and use it – a natural reaction, isn’t it? Well, here’s the rub!

 

One of my friends, who is a huge fan of cannabis – both in terms of recreational and medicinal use – was using the herb very frequently to treat his nausea. However, he noticed that his abdominal discomfort started to get worse over time. When he spoke to his doctor, she said that he’s in the medium stage of Cannabis Hyperemesis Syndrome. Advised to take marijuana aside for a moderate period of time, he made a full recovery within a few weeks.

 

Since you may be as shocked as I was when I found out about CHS, you might also  be curious about figuring out whether this condition even exists at all. Let me introduce you to the Research on Cannabis Hyperemesis Syndrome I’ve recently come across.

 

Focused Studies on Cannabinoid Hyperemesis Syndrome

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Source: Zamnesia.com

 

The earliest study on the CHS reaches 2004, when Australian scientists discovered a common feature among patients who struggled with cyclical vomiting symptoms, namely chronic cannabis use. The majority of subjects (7 out of 10) who abstained from cannabis for a defined period reported a significant amelioration of their condition. The other three participants refused to stop using cannabis and their symptoms continued.

 

This study was followed by the series of similar small case studies. They all demonstrated similar patterns:

 

  • A 42-year old heavy cannabis user reported no CHS symptoms 3 months after his diagnosis (a case study of 2014 in U.K.)
    • In 2009, two matching CHS subjects were recorded. Severe symptoms of Cannabis Hyperemesis Syndrome began to fade following 24 to 48 hours after the subjects gave up cannabis.
    • A 22-year old chronic marijuana consumer demonstrated CHS symptoms in another K. study conducted in 2009. His symptoms improved when the subject abstain from using cannabis.

     

    For the time being, Cannabis Hyperemesis Syndrome remains a theory, and it will take a lot more research to evolve theory to fact. Nonetheless, we still don’t know why cannabis would cause the symptoms that characterize CHS. Let’s take a peek at what scientists at Temple University say about this strange phenomenon.

    How Does Cannabis Cause CHS?

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  • Source: Freedom Leaf

     

    Although the interaction of cannabinoids present in the cannabis plant with our endocannabinoid system may help us feel less nauseous by activating certain receptors of the central nervous system, the activation of CB1 receptors – caused primarily by THC – may have following gastrointestinal consequences:

     

    • Reduced gastric motility
    • Delayed gastric emptying
    • Inflammation
    • Inhibition of gastric acid secretion
    • Visceral pain
    • Altered intestinal motility

     

    Given this, marijuana may trigger CHS symptoms by spurring those mechanisms. Thus, it leaves us with an odd paradox – that THC, when used heavily and over a long period of time, may help the brain with its anti-emetic properties, but cause nausea and gastrointestinal discomfort with its impact on the gut.

    Medical Society Remain Skeptical on CHS

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    Source: AZFamily

     

    As much as the theory about CHS put forth by researchers is fascinating, some medical professionals remain skeptical, mainly because of the poor study design of the original 2004 research that defined Cannabis Hyperemesis Syndrome. Moreover, the authors of the 2004 study linked the increases in cannabis use to liberalized laws.

     

    On top of that, it goes without saying that cannabis has been used by people for many centuries and is actually consumed by millions of people all over the world. Given this, it’s hard to believe that a relatively fresh phenomenon allegedly caused by cannabis has never been noted before by marijuana enthusiasts or clinicians.

    The lack of strict and quality research makes it hard for the medical society to determine if cannabis can cause nausea and other abdominal ailments. Therefore, because there is no past evidence of the CHS in the clinical record, we should examine how modern cannabis plants are cultivated, as it may be the chemicals present in breeding marijuana plants that affect the way people react to it over a long period of time. Have you ever experienced Cannabis Hyperemesis Syndrome? Or maybe you know the stories of people who suffered from CHS? Let me know in the comments below!

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