![]() In this CME episode, expert William Silvers, MD, FAAAAI, discusses the evolving trends of marijuana use and its derivatives. Podcast Episode 10: Marijuana, Asthma and Allergies: A Changing Landscape Hopefully it will also include immunotherapy in the future with the development of new research. Treatment is generally avoidance to insure there are no severe consequences. The definition and importance of the associated food allergies still need to be defined by research. However life-threatening reactions have occurred but are generally limited to hempseed in marijuana allergic individuals. The symptoms although usually benign include nasal, ocular and pulmonary complaints. With the increased use of cannabis or marijuana by industry, medicine, and the general population as well as legalization there will be more reports of allergy. While these tests are not standardized they can be used generally to predict allergic sensitization. A standard prick skin test, similar to that which is done in any standard allergy testing can then be done. The allergist can prepare an extract or slurry using the buds, leaves and flowers of the marijuana plant. Skin testing could be considered for patients who have histories of cannabis allergic reactions. There is no standard way to test for marijuana allergy, at present, and a careful history is typically used. The important and relevant allergens still require research and clinical definition. This cross-reactivity can potentially cause serious allergic reactions. This is due to cross-reacting proteins or allergens found both in marijuana and these foods. Cannabis cross-reacting foods that have been reported to cause allergy include tomato, peach and hazelnut. In addition there is reported cross-reactivity between marijuana and certain foods. This most commonly occurs with hempseed ingestion. Asthma with the development of wheezing and shortness of breath also can occur. This includes runny nose, sneezing, itching, and swelling and watering eyes. Breathing or inhaling marijuana allergens can result in nasal or ocular or eye allergy symptoms. Contact or touching the plant can result in breaking out in rashes, hives, or swellings called angioedema. The symptoms of marijuana allergy include many clinical manifestations depending on how a person was exposed. How do I know if I have a marijuana allergy? Hempseed exposures can be inadvertent as it is found hidden in foods and drinks.Īllergic sensitization including the development of specific IgE can result from inhaling, smoking, touching, and eating marijuana or cannabis allergens. Marijuana sensitization can also occur in workers involved in the flourishing marijuana industry. In the southwest United States pollination of female plants by the males of the species results in airborne dissemination with inhalation and resulting sensitization. This industry is growing at a rapid pace particularly with the legalization and relaxation of the laws governing marijuana use.Ĭannabis exposure is common. It is generally smoked, vaporized or eaten. It is consumed as a recreational drug commonly known as marijuana. Higher THC cultivars are grown for medicinal use generally in the treatment of nausea, anxiety and pain. ![]() Hempseed is also touted as a super food rich in protein and promoted for general good health. It is used as industrial hemp (low THC cultivars) in manufacturing of yarn, fiber, installation and rope. Cannabis sativa (hemp) is a plant that thrives in diverse environmental conditions. ![]()
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