Current definitions

Canine atopic dermatitis: A genetically predisposed inflammatory and pruritic allergic skin disease with characteristic clinical features associated with IgE antibodies most commonly directed against environmental allergens.

Canine atopic-like dermatitis: An inflammatory and pruritic skin disease with clinical features identical to those seen in canine atopic dermatitis in which an IgE response to environmental or other allergens cannot be documented.

Source: Halliwell, R and the International Task Force on Canine Atopic Dermatitis. Editorial: revised nomenclature for veterinary allergy. Veterinary Immunology and Immunopathology 2006; 114:207-208.

The following is a list of published, validated criteria and health measurement scales applicable to atopic dermatitis in animals. Manuscripts marked with an asterisk were produced independent of the ICADA.

Clinical features of chronic canine atopic dermatitis:

Clinical features of feline hypersensitivity dermatitis:

Pruritus Visual Analog Scale

Canine atopic dermatitis extent and severity index, 4th iteration (CADESI-04)

  • Olivry T, Saridomichelakis M, Nuttall T, et al. Validation of the Canine Atopic Dermatitis Extent and Severity Index (CADESI)-4, a simplified severity scale for assessing skin lesions of atopic dermatitis in dogs. Veterinary Dermatology 2014; Early View, first published online 25 JAN 2014.

Canine atopic dermatitis lesion index (CADLI)

Feline hypersensitivity dermatitis extent and severity scale

Quality-of-life scores