302. Zinc Responsive Dermatitis
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Zinc responsive dermatitis is a skin condition in dogs resulting from a zinc deficiency or an inability to properly absorb the mineral. It is a rare condition that typically presents as scaling, crusting, and hair loss around the head (especially muzzle and periocular region) and pressure points.
The most common form is syndrome I which is almost exclusively seen in Nordic breeds like Huskies and Malamutes. They have a genetic defect that impairs intestinal absorption of zinc (even when sufficient quantities are in their diet).
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