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208 Breeds, 422 Health Conditions  |  Find a Vet

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Nasal Callus (Hyperkeratosis)




Condition Overview

This disease occurs in old


The skin of the nose becomes dry, thickened, and hornlike. The callused nose may crack and develop fissures, then become irritated and infected. Hyperkeratosis can also occur in association with zinc-responsive dermatosis, pemphigus foliaceus, and discoid lupus erythematosus.

Hard Pad is a related condition involving the nose and foot pads. It occurs as a sequel to canine distemper. As the dog recovers from distemper, the nose often regains it's normal appearance.


The cause is unknown


Diagnosis is made by physical examination.


There is no cure for idiopathic nasal callus. Control is aimed at softening the nasal callus with wet dressings and keeping the nose well lubricated with mineral oil, aloe, or petroleum jelly. Local infection is treated with topical antibiotics, such as triple antibiotic ointment.


There is no known prevention for this condition.


Please contact your veterinarian if you have questions regarding this condition.

Show Sources & Contributors +


Dog Owners Home Veterinary Handbook

Publisher: Wiley Publishing, 2007

Website: http://www.wiley.com/WileyCDA/

Authors: Debra M. Eldredge, Liisa D. Carlson, Delbert G. Carlson, James M. Giffen MD

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