Zinc responsive dermatosis . It is a rare disease. The first syndrome usually affects Siberian Huskies and Alaskan Malamutes. Lesions usually develop at a young age and include erythema, crusting and scaling around the mouth, chin, eyes, scrotum and legs. Hyperkeratosis of the footpads may be seen.
Diagnosis is made from skin biopsies.
The second syndrome simply requires correction of the diet without an additional Zinc supplement. Diarrhea may be observed with high doses of zinc. Epidermal dysplasia of West Highland White Terriers . This is a disorder of keratinization usually evident in the first year of life. Secondary bacterial and yeast infections are very common in these dogs.