The C.A.M. Report
Complementary and Alternative Medicine: Fair, Balanced, and to the Point
  • About this web log

    This blog is intended as an objective and dispassionate source of information on the latest CAM research. Since my background is in pharmacy and allopathic medicine, I view all CAM as advancing through the development pipeline to eventually become integrated into mainstream medical practice. Some will succeed while others fail. But all are treated fairly here.

  • About the author

    John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at www.Vicus.com, a complementary and alternative medicine website.

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    The material on this weblog is for informational purposes. It is not medical advice or counsel. Be smart, consult your health professional before using CAM.

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    Cyclic nausea and vomiting due to marijuana use

    As legislators dive headlong into legalization of marijuana, there is growing evidence that they may be harming their most loyal constituents.

    Researchers at Temple University Hospital, in Philadelphia, Pennsylvania, reviewed what has become known as Cannabinoid Hyperemesis (severe and excessive vomiting) Syndrome.

    As you read this summary it might be useful to consider the value of Pennsylvania detoxification programs.

    Here’s what we know.

    • Findings associated with Cannabinoid Hyperemesis Syndrome:
      • Chronic cannabis use
      • Cyclic episodes of nausea and vomiting
      • Frequent hot bathing, which produces temporary cessation of nausea, vomiting, and abdominal pain
    • Mechanism of this response
      • Not known
    • The clinical coursemay be divided into 3 phases.
      • Prodrome
        • Intense nausea and pallor
        • Sometimes heightened sensitivity to light, sound, or smell similar to a migraine aura
      • Hyperemetic phase
        • May retch or vomit 6 to 12 times an hour
      • Treatment
        • Give fluids and anti-emetic medications.
      • Recovery
        • Usually ceases within 48 hours (range: a few hours to 3 weeks)

    The bottom line?

    Cannabis is associated with well-publicized anti-emetic effects. However there is increasing evidence of its paradoxical effects based on about 10 case reports in the literature.

    The most recent reports were presented during the American College of Gastroenterology’s Scientific meeting, including a case of synthetic-cannabinoid (Spice) induced hyperemesis syndrome.

    Of course, our hearts go out to the sufferers of this self-induced adverse reaction to a still largely illegal and poorly studied drug.

    We should also consider that the estimated minimal cost for a hospital admission for a patient with Cannabinoid Hyperemesis Syndrome ranges from $10,000 up to almost $30,000.

    More data are needed to confirm the pot/emesis relationship, but more than 3 dozen published case histories should raise suspicion of Cannabinoid Hyperemesis Syndrome in patients with the characteristic complaints who also admit to chronic use of pot.

    10/24/12 13:25 JR

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