• Claudie Audet, Christian Bertrand, Marc O Martel, Anne Marie Pinard, Mélanie Bérubé, and Anaïs Lacasse.
• Département des sciences de la santé, Université du Québec en Abitibi-Témiscamingue (UQAT), Rouyn-Noranda, Québec, Canada.
• Clin J Pain. 2024 Aug 28; 40 (11): 635645635-45.

ObjectivesCannabis is used by one-third of people living with chronic pain to alleviate their symptoms despite warnings from several organizations regarding its efficacy and safety. We currently know little about self-medication practices (use of cannabis for therapeutic purposes without guidance), mainly since the legalization of recreational cannabis in countries such as Canada has expanded the scope of this phenomenon. This study aimed to describe legal cannabis self-medication for pain relief in people living with chronic pain and to explore perceptions of the effectiveness and safety of cannabis.MethodsA cross-sectional descriptive study was performed among 73 individuals living with chronic pain and using cannabis (Quebec, Canada). Data collection using telephone interviews occurred in early 2023.ResultsResults indicated that 61.6% of participants reported using cannabis without the guidance of a healthcare professional (self-medication). Surprisingly, among those, 40.0% held a medical authorization. Overall, 20.6% of study participants were using both medical and legal non-medical cannabis. Different pathways to self-medication were revealed. Proportion of women vs. men participants self-medicating were 58.2% vs. 70.6% (P=0.284). In terms of perceptions, 90.4% of the sample perceived cannabis to be effective for pain management; 72.6% estimated that it posed no or minimal health risk.DiscussionCannabis research is often organized around medical vs. non-medical cannabis but in the real-world, those two vessels are connected. Interested parties, including researchers, healthcare professionals and funding agencies, need to consider this. Patients using cannabis feel confident in the safety of cannabis, and many of them self-medicate, which calls for action.Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.

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