There were significant differences in subjective scoring and objective measurement between manufacturers for Alternaria, cat dander and P. pretense. Results revealed significant positive correlation between subjective scoring and objective measurement for each time, investigator and manufacturer separately.

This study revealed that clients believe antihistamines can be a useful part of multimodal therapy for canine atopic dermatitis. The results also demonstrated that a significant number of canines benefited from dietary modification. In addition, allergen-specific immunotherapy was the only treatment to induce true clinical remission of atopic dermatitis.