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. 2023 Oct 19;14:1278189. doi: 10.3389/fmicb.2023.1278189

Table 2.

Reports of allergenic responses to toxigenic fungi and mycoses associated with cannabis users (excluding those reported in Trullas et al., 2010).

Species Diagnosis reported/Study description; Use; Immunosuppressive Fungal identification method References
Aspergillus A. fumigatus Allergenic response in 28 cannabis smokers; one with systemic aspergillosis, seven with bronchospasm after smoking Patient tissue samples—Serology Kagen et al. (1983)
A. flavus Cultured from products (serology)
A. niger
A. fumigatus Bronchopulmonary aspergillosis; cannabis smoker; and asthma Patient tissue samples—Serology Kouevidjin et al. (2003)
Cultured from products
A. flavus
A. fumigatus Invasive pulmonary aspergillosis; metastatic colorectal cancer and chemotherapy Sequencing Cescon et al. (2008)
A. fumigatus Chronic pulmonary aspergillosis; daily cannabis smoker; with steroid use Serology Gargani et al. (2011)
Chronic pulmonary aspergillosis; daily cannabis smoker Serology Gargani et al. (2011)
A. rugolosa Chronic necrotizing pulmonary aspergillosis; cannabis via vaporizer daily; diabetes A. rugolosa confirmed by sequencing Remington et al. (2015)
A. fumigatus A. fumigatus (cultured from patient)
Penicillium sp.
A. fumigatus Disseminated aspergillosis; former cannabis user; HIV + steroids Cultured from patient Salam and Pozniak (2017)
Fusarium Fusarium sp. Cutaneous fusariosis; hyper-IgE-syndrome + steroids; cannabis grower* Cultured from patient (microscopy) Altibi et al. (2020)
Alternaria Al. alternata Allergenic responses in 316 (11.8% of participants) current cannabis users Serology Min and Min (2018)
Cryptococcus Cryptococcus sp., including C. neoformans Cryptococcal meningitis; daily cannabis smoker; and no evidence of immunodeficiency Patient cerebrospinal fluid samples—Microscopy and mass spectrometry Shapiro et al. (2018)

*Patient’s cannabis plants “died out because of the mold.”