Two dogs with psycogenic dermatopathy differentiated from atopic dermatitis (AD) were described. The first case was a 6-month-old, male Shiba Inu with a 3-month-history of licking on the extremities. The clinical signs were suggestive of AD, but allergic tests did not reveal any positive reactions. The dog was diagnosed as compulsive disorder, and skin lesions were improved by behavior modification. The second case was a 6-year-old, female Shih tzu with 3-year-history of dermatosis. The clinical signs were compatible with AD, and allergic tests revealed positive reaction to Dermatophagoides farinae. Clinical signs were improved with treatments for allergy, but episodic excoriations were repeated. The dog was diagnosed as compulsive disorder, and the problem resolved by behavior modification and clomipramine.

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