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Why did my dog's pink nose patch suddenly turn red? Should I worry?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 5 years and 10 months old

Dog recently developed a red patch on his snout. He's had a pink patch there all his life. Should I worry

3 Answers

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on June 23rd, 2016

A red patch on the snout could be due to several things. If your dog is prone to digging with his snout, especially if he has spent time in a crate recently, he may have rubbed a raw spot on his nose. Other possible causes of a red patch of skin in this area would be allergies, bacterial or fungal infections, skin mites (especially Demodex mites, or demodectic mange) or even some auto-immune skin diseases. If the spot does not resolve within a few days or if it seems to be spreading, I would recommend taking him to a vet for an exam - he/she can do some simple tests, such as a skin scrape, to determine the problem.

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Other Answers

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on

    A pink patch should not change color to red. I suggest you have your veterinarian examine the lesion to make sure it is not a sign of a cancer or autoimmune disease. It may be harmless, but better safe than sorry.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on

    If Ham has had a pink patch in that spot his entire life, it sounds like the spot may be become sunburned. Because it's lighter in color, it is more susceptible to sunburn. However, because I can't see Ham in person, I can't say for certain that it's sunburn. I would recommend that any patch of skin that has changed color should be seen by the vet. If it turns out that it is sunburn, you can use a sun screen on the light patches. Don't use a sunscreen with zinc oxide because it's toxic to dogs. There are canine specific sunscreens, you can ask your vet where to find them.

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