Iowa State University Veterinarian


Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html

Call Number

SF601 V65

Document Type



Nasal solar dermatitis of the dog is a congenital, abnormal reaction of the skin to sunlight. it frequently occurs in Collies, Shetland Sheep Dogs, German Shepherds, and mixed breeds closely related to these breeds. It affects only the nose and eyes and the areas adjacent to them, and is commonly referred to as "collie nose." Although the exact pathogenesis is unknown, there appears to be little doubt that exposure to sunlight is one of the exciting factors. This is in contrast to feline solar dermatitis which appears not to be a photosensitive disorder.