Evaluation of cross-reactivity of allergens by use of intradermal testing in atopic dogs.

Objective: To examine cross-reactivity of aeroallergens in Colorado and surrounding states by evaluating concurrent positive reactions of related and nonrelated allergens of intradermal tests in dogs.

Sample Population: Intradermal test results of 268 atopic dogs.

Procedure: A retrospective evaluation of skin test results for 268 dogs was performed.