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Why does my dog have brown gums?

Author

Rachel Ellis

Published Jan 18, 2026

Dark or Muddy-Brown Gums

Seeing gums that are more of a grey-brown color is associated with one main condition, called methemoglobinemia. It's a mouthful to be sure, but important to know, because it can be caused by a dog getting into a bottle of Tylenol, a common household staple.

What color is a sick dog's gums?

A sick dog's gum coloring could be blue, black, pale white, or bright red. Dog gums that aren't pink can indicate problems ranging from gum disease to congestive heart failure.

What do unhealthy dog gums look like?

If you want to know what healthy dog gums look like, look no further than the seafood bar at your local grocery store. “Healthy gums should appear shrimp-colored pink,” says Dan Carmichael, DVM, DAVDC and board-certified veterinary dentist at the Animal Medical Center. “Unhealthy gums will appear red and inflamed.”

Why is my dog's gum black?

Black gums

If your dog's gums look black, and always have, then they might be a breed with darker-colored gums. This is common among dogs with darker snouts, lips, and tongues, like chows, shar-peis and black-mouth curs. Dogs of any breed may have black spots on their tongue and gums—all perfectly normal.

Are dogs gums pale?

In dogs, their gums should be a powdery pink color. This color is a sign of healthy gums. However, if the gums are not pink, they may be pale in color, which could mean that your dog has some underlying health problems. These troubles range from pain and anxiety to kidney disease.

23 related questions found

What color are dogs gums when dehydrated?

Colour – A dog's gums should be pinkish-red, smooth and moist. If they are not, they could be going into shock or showing signs of dehydration. Deep red sticky gums are an indication of dehydration and in the heat can be an early sign of heat exhaustion.

What should healthy dog gums look like?

Healthy dog gums are salmon colored or a light bubble gum pink. They are moist and smooth to the touch. One way to check the health of your dog's gums is to press a spot on their gums with your index finger. After you let go, within about two seconds, the color should change from a white or pale pink back to pink.

Does dehydration cause pale gums in dogs?

You may see pale gums if your dog is unwell and has become dehydrated. This is caused by a reduced volume of blood circulating around the body and reduced blood pressure. Your dog's gums may well also be dry or very sticky when you feel them.

What to do if dog has pale gums?

If your dog has pale gums, act promptly and contact your veterinarian immediately. Pale gums in dogs are abnormal and always warrant further investigation by a veterinarian. If your dog is critically ill from shock or bloat, immediately seek veterinary care from your veterinarian or an emergency veterinary hospital.

What can I give my dog for pale gums?

If the pale gums are caused by blood loss, then the dog may need a blood transfusion to replace the lost blood. Medications and/or surgery may be needed to treat the main cause of blood loss. In cases where the red blood cells are being destroyed or not being properly created, then long term medications may be needed.

Why do my dogs gums change color?

It is the small blood vessels known as capillaries that make the colour of your pet's gums. If there are any changes in the blood it is also reflective in the capillaries and can change the colour of the gums from anything to bright red to a pale greyish white.

What black gums mean?

An infection can cause black or grey gums if a layer of dead tissue builds up over the gums. Trench mouth results from the rapid growth of bacteria in the mouth, usually due to gingivitis. Bacteria may build up because of poor oral hygiene, stress, lack of sleep, or an unhealthful diet.

Can dogs have brown spots on their gums?

Healthy gums in dogs look a lot like healthy gums in humans. They should be a bright pink color all over. However, some dogs will have dark brown or black spots along their gums. As long as these dark spots are flat—not raised—they are nothing to be concerned about!

How can I tell if my dog is dying?

6 Signs a Dog May Be Dying

  • Hiding.
  • Trembling.
  • Panting.
  • Loss of mobility.
  • Reluctance to interact with family.
  • Irritability.
  • Restlessness.
  • Aggression.

How can you tell if a dog is diabetic?

What are the signs of diabetes in pets?

  1. Excessive water drinking and increased urination.
  2. Weight loss, even though there may be an increased appetite.
  3. Decreased appetite.
  4. Cloudy eyes (especially in dogs)
  5. Chronic or recurring infections (including skin infections and urinary infections)

What do dehydrated dog gums look like?

Another way to check for dehydration is to examine their gums. A healthy, hydrated dog's gums are pink and moist. Tacky, dry, or off-color gums can be a sign of dehydration. If you suspect your dog is dehydrated, press down on their gums.

Why does my dog have brown spots in his mouth?

If you're wondering what causes black spots in a dog's mouth, it's likely the result of heavy pigmentation. These darker spots are the result of microscopic melanin granules and present as flat, pigmented areas found on your dog's tongue, gums and inside the lips and mouth.

Are brown gums normal?

You may have naturally dark gums because your body produces more melanin. If you were born with darker gums, it's perfectly normal for your body and there's no reason for concern.

Are black gums natural?

For most people, It comes from naturally occurring melanin in the body. Not everyone who has a darker complexion has black gums. It depends on genetics and the way melanin naturally disperses in the body. Some people with very dark complexions have perfectly pink gums.

How do I make my brown gums pink?

More Than Just the Teeth: How to Maintain Pink, Healthy Gums

  1. Massage Your Gums. Massaging your gums is a very effective way to help keep them healthy. ...
  2. Try a Therapeutic Mouthwash. ...
  3. Eat the Right Foods. ...
  4. Regular Cleanings are Important for Healthy Gums.

What does kidney failure in dogs look like?

Symptoms of Renal Disease & Renal Failure in Dogs

Drinking too much and producing large volumes of urine. General depression associated with elevation of waste products in blood. Overall weakness caused by low potassium in the blood. Increased volume of urine in the bladder.

What are signs of liver failure in dogs?

The signs of liver failure in dogs are jaundice, hepatic encephalopathy, ascites, spontaneous bleeding, and dependent edeoma-swollen lower limbs. Treatment of liver failure is directed toward treating the liver disease that is causing it.

How do I know if my dog's organs are shutting down?

A dying dog will lie in one spot and not even move to relieve themselves. They may have diarrhea. This is another one of the signs that a dog is dying. It's a signal that your dog's internal organs are shutting down.

What are the symptoms of a kidney infection in a dog?

Symptoms of Bacterial Infection (Pyelonephritis) of the Kidneys in Dogs

  • Side pain, often moderate to severe.
  • Fever.
  • Malaise.
  • Vomiting.
  • Loss of appetite.
  • Excessive thirst.
  • Excessive urination.

Can dark gums reverse?

It may be possible to reverse changes in gum color that are caused by smoking. A doctor should be able to give advice and support on quitting smoking. Cosmetic dentists may offer gum bleaching to lighten the color of the gums.