Flea allergic dermatitis!! luna the community dog of Mandikhatar was suffering from Flea allergic dermatitis(FAD). Flea allergy dermatitis (FAD) is a skin condition of dogs and cats that is caused by an allergic reaction to flea saliva and flea dirt. FAD is considered a highly uncomfortable condition. Itching, scratching, licking, biting and chewing of the skin is typically the first sign of this condition and hair loss, skin redness, scabbing and crusting, Darkening or thickening of skin (after