Why is the Color of My Dog’s Nose Changing?

Take a look at your dog’s nose. Is it the same color as it was when you first met Fido? You may be surprised to learn that many dogs’ noses change color over time. Your pooch’s nose could change from brown to black, brown to pink, or black to brown, for example. There are various possible causes for this—learn more here from a vet Southeast Denver, CO.

Benign Causes

Most of the time, the reason for your dog’s nose color change is a benign one. This means that it’s not a medical concern and doesn’t cause your dog any harm. Seasonal hypopigmentation is a common benign cause. It involves the nose color changing slightly in correspondence with the changing of seasons. Ask your veterinarian Southeast Denver, CO for more information on this.

A condition known as Dudley nose is another benign cause that might make your dog’s nose change color. Dudley nose involves the nose pigmentation changing for unknown reasons. While the experts can’t pinpoint an exact cause for Dudley nose, it doesn’t harm your dog at all. Talk to your vets Southeast Denver, CO to learn more.

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Sun Bleaching

Another common reason that a dog’s nose changes color is because of sun bleaching. When your dog spends long hours in the sun, the sun’s rays can bleach out some of the pigmentations in Fido’s nose. It’s not a big cause for concern, but you shouldn’t allow your dog to spend too long in the heat and humidity. It puts your pet at risk for dehydration and heatstroke. Ask your veterinarians Southeast Denver, CO for more advice on keeping your dog cool during hot weather.


Allergic reactions can also lead to pigmentation loss in the nose. Food allergies are the most common culprit. If your pooch suffers a reaction to an ingredient in their food, the nose could change color slightly. You’ll want to check with your veterinary clinic Southeast Denver, CO to make sure allergies are the cause. He or she will also be able to help get your dog’s allergies under control with dietary modification or medications.


One of the more common medical reasons for loss of color in the nose is a bacterial, fungal, or parasitic infection. Ask your vet clinic Southeast Denver, CO for more insight into how infections can affect the pigment in Fido’s nose.

If an infection is present, you’ll probably see other health symptoms in your dog, like vomiting, diarrhea, loss of appetite, or weakness. Of course, you’ll want to contact your animal hospital Southeast Denver, CO as soon as you notice something is amiss. Quick diagnosis and treatment is of the essence!

Autoimmune Disorders

An autoimmune disorder is probably the least likely cause of a loss of nose pigmentation, but it’s definitely one of the scariest. Autoimmune disorders involve your dog’s body attacking its own cells. Some of those cells create pigmentation in the nose, which explains how an autoimmune disorder can affect nose color. You pet clinic Southeast Denver, CO can give you more information about autoimmune conditions, so call today.

Is your dog’s nose changing color? Check with your pet clinic Southeast Denver, CO to make sure Fido is happy and healthy. Set up an office appointment today.

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