eucalyptus (gum) tree

Thanks for the help. I saw a patient recently who has asthma, work-related symptoms and exposure to eucalyptus wood chips. (The chips are in a large pile and a variety of allergens may be present in the pile.) The patient also has a positive specific IgE to eucalyptus pollen, but may be false positive as total IgE is 3111 units.

There are some articles on eucalyptus pollen allergy and asthma, but none that I could find on eucalyptus wood and occupational allergy.

Does anyone know about occupational asthma from eucalyptus wood?
Abstract Available for Eucalyptus as a specific irritant causing vocal cord dysfunction Huggins JT, Kaplan A, Martin-Harris B, Sahn SA , Eucalyptus as a specific irritant causing vocal cord dysfunction, Ann Allergy Asthma Immunol, 2004;93:299-303,

Occupational Asthma, Specialist, 8/13/2015, 11/18/2015,

I dont know of any reports related to Eucalyptus wood, but fungae growing in stored wood and under the bark are also possible causes. There is one report of a challenge causing vocal chord dysfunction, perhaps this is from eucalyptus oil?

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