Occupational Asthma Reference

Yeo L, Debusscher C, White JML, Occupational contact urticaria to cannabis sativa, Occup Med, 2022;72:273-275,https://doi.org/10.1093/occmed/kqac020

Keywords: cannabis, skin test, urticaria, police, Scotland, Belgium, patch test negative

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Cannabis allergy is not commonly reported, perhaps due to the legal status of cannabis use and the difficulties of obtaining permission to test it. We report 3 cases of work-related cannabis allergy with features suggestive of a dermatitis, rather than a contact urticaria. Only prick tests were able to confirm the diagnosis. Identification of the cause of the rash was essential to direct work re-deployment.

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Positive skin prick tests used crushed cannabis leaves in normal saline. Patch tests negative

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