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Clinical signs for nasal dermatitis include frequent scabbing and/or ulcer formation, alopecia, erythema and dermatitis. The perinasal area is usually most affected which the periocular region becoming involved in more chronic cases. A very well established dermatitis can spread to the remainder of the head, forelimbs, chest and abdomen. Clinical signs are usually diagnostic. This disease is relatively self-limiting if the underlying causative factor such as overcrowding is removed.

Clinical signs for nasal dermatitis include frequent scabbing and/or ulcer formation, alopecia, erythema and dermatitis. The perinasal area is usually most affected which the periocular region becoming involved in more chronic cases. A very well established dermatitis can spread to the remainder of the head, forelimbs, chest and abdomen. Clinical signs are usually diagnostic. This disease is relatively self-limiting if the underlying causative factor such as overcrowding is removed.

===Parasites===

===Parasites===

Parasites rarely cause disease in gerbils. The most common skin parasite is the hamster demodectic mange mites, ''Demodex aurati'' or ''Demodex criceti''. Usual clinical signs are alopecia.

Parasites rarely cause disease in gerbils. The most common skin parasite is the hamster demodectic mange mites, ''Demodex aurati'' or ''Demodex criceti''. Usual clinical signs are alopecia.