c195acfe_f_Hair_Loss__Alopecia__in_Cats__Diagnosis
[Condition] Allergic and irritant contact dermatitis [Description] An allergic reaction following exposure to antibiotics applied to the skin; metals such as nickel; materials such as rubber, wool, and plastic; chemicals such as dyes and carpet deodorizers; or inflammation caused by irritating substances such as poison ivy. Generally requires multiple exposures. [Symptoms] Red skin and small bumps or blisters on the areas of skin that are sparsely haired and directly exposed to the offending substance; itching; hair loss in chronic conditions [Treatment] Restrict exposure to the allergen or contact irritant in the cat's environment; steroids, antihistamines [Diagnosis] 
Patch test, exclusion trials
Causes of Hair Loss (Alopecia) in Cats
Diagnosis