Animal-related asthma and allergies are exaggerated reactions of the body's immune system to animal proteins, also known as allergens. Also at risk are workers who handle animal products or associated materials, such as bedding and feed. Inhalation is one of the most common ways for allergens to enter the body. Work-related changes in medication requirements may have similar patterns, also suggesting an occupational etiology. The diagnosis of animal allergy or sensitization is made using skin-prick tests, blood antibody tests, and other methods.
Symptoms vary among workers who have become sensitized to animals.
Mild reactions include sneezing and a runny nose. More serious reactions to an inhaled allergen may result in asthma symptoms such as cough, chest tightness, wheezing, or shortness of breath. In sensitized workers, reactions often occur soon after exposure to the animal or animal product, but they may be delayed for 2-8 hours or more. Symptoms from animal-related asthma and allergies can be severe and may require affected workers to change jobs or careers 5 . Sources of Exposure Sources of exposure to animal allergens vary with animal species.