Why is Your Dog’s Nose Changing Color?

Have you ever heard of or witnessed a dog’s nose change color, either over a long period of time or in the span of a few days? It’s not as uncommon as you may think! Learn about the potential reasons for this as your Farmington Hills vet discusses the possibilities below.

Sun Exposure

Did you know that some dogs’ noses can become “bleached” from too much exposure to the sun? If your dog spends a lot of time outdoors in the summer sun, that could be the root cause of the pigmentation change. Ask your veterinarian for more information, and try applying a dog-formulated sunscreen to help with the problem.


In some cases, a fungal, bacterial, or parasitic infection can affect the amount of pigmentation in your dog’s nose, causing it to lose or change color. In most cases, other health symptoms will present themselves along with the color change. If this happens, an infection is likely to blame. Set up an appointment with your veterinary clinic to have your dog examined promptly.

Food Allergies

Food allergies can sometimes cause the nose to change color. Some dogs are allergic to an ingredient in the food they’re eating—such as chicken, lamb, soy, or pork—or they may be reacting to the material the food bowl is made from. This is especially common with plastic bowls. You’ll need to have your dog examined by a veterinary professional to receive treatment, so call today.

Autoimmune Disorders

Perhaps the most frightening possibility for your dog’s change or loss of nose pigmentation is an autoimmune disorder, in which your dog’s immune system mistakenly attacks its own cells. The cells that create color in your dog’s nose may be affected, causing the change you’re seeing.

Non-Threatening Conditions

On the brighter side, there is the possibility that your dog’s nose is changing because of a non-threatening condition. A common one is seasonal hypopigmentation, when your dog’s nose changes colors corresponding to the seasons. Another disorder known as Dudley nose causes a pigmentation loss for unknown reasons, but doesn’t affect the health of your dog whatsoever.

If you see anything amiss with your dog, including any loss or change of color in the nose, call your Farmington Hills veterinarian right away. Quick veterinary action is key for your dog’s health and your peace of mind!

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