Allergy: Allergy can occur to almost any protein that is foreign to the human body, and crab apple tree pollen could be an allergen.
Answered 11/27/2013
4.7k views
Possible but rare: Flowering plants are not usually producers of airborne allergens and thus i suspect that it may be from something else other than the crab apple tree.
Answered 11/27/2013
4.7k views
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A doctor has provided 1 answer
A doctor has provided 1 answer
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