Changes

*Mainly causes pruritus

*Mainly causes pruritus

*Dogs - face rubbing and foot licking; secondary [[Bacterial skin infections - Pathology#Pyoderma|pyoderma]] or seborrhea

*Dogs - face rubbing and foot licking; secondary [[Bacterial skin infections - Pathology#Pyoderma|pyoderma]] or seborrhea

*Cats - facial, ear or generalised pruritus, miliary dermatitis, [[Skin - other#Eosinophilic granuloma|eosinophilic granuloma complex]], symmetric alopecia

*Cats - facial, ear or generalised pruritus, miliary dermatitis, [[Skin Other - Pathology#Eosinophilic granuloma|eosinophilic granuloma complex]], symmetric alopecia

*Horses - pruritic hea, pinnae, ventrum, legs, tailhead or recurrent [[Skin Glossary - Pathology|urticaria]]

*Horses - pruritic hea, pinnae, ventrum, legs, tailhead or recurrent [[Skin Glossary - Pathology|urticaria]]

*Lesions generally due to self-trauma

*Lesions generally due to self-trauma

**Hyperkeratosis

**Hyperkeratosis

**Dermal fibrosis

**Dermal fibrosis

**Possibly eosinophilic folliculitis, intraepidermal pustules and [[Skin - other#Eosinophilic granuloma|eosinophilic granulomas]]

**Possibly eosinophilic folliculitis, intraepidermal pustules and [[Skin Other - Pathology#Eosinophilic granuloma|eosinophilic granulomas]]

===Allergic contact dermatitis===

===Allergic contact dermatitis===