There are 3 allergens associated with an allergy to rabbits, this includes their hair, dander (which is flakes of dry skin), urine and saliva.
All three allergens are lipocalin proteins, in other animal dander allergies this is the protein that most individuals react to. These proteins transport molecules like lipids and steroids around the body.
Allergy to rabbit dander is strongly strongly associated with allergic rhinitis as well as asthma, rhinoconjunctivitis and atopic dermatitis.
A rabbit allergy can be strongly linked to other animal allergies due to the lipocalin proteins. There is evidence of cross reactivity due to this protein with cockroaches, cows, dogs, guinea pigs, horses, cats, hamsters, mice and rats.
Science Direct - Lipocalin
Allergy UK - Your Quick Guide to Pet Allergy
Articles and Journals
Exotic pet allergy, 2019
The development of methods to measure exposure to a major rabbit allergen (Ory c 1), 2018
Diagnosis of Allergy to Mammals and Fish: Cross-Reactive vs. Specific Markers, 2017
Comment on the significance of the rabbit secretoglobin Ory c 3 as a major sensitizing allergen from rabbits, 2014
Identification and isolation of a Fel d 1-like molecule as a major rabbit allergen, 2014
Allergy to uncommon pets: new allergies but the same allergens, 2013
Allergy to rabbits. II. Identification and characterization of a major rabbit allergen, 1998
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