Can a black dog turn white?

5 White And Black Dog Breeds

Best Answer

A dog's hair turns white when his body stops forming melanin.

Melanin is the pigment that colors hair, and without it, hair is white.

Just as it is with humans, aging is the most common cause of white hair in dogs.

It is a normal and natural process and is not a cause for concern.

How Dogs See The World — And It's More Than Black And White

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Related Questions

Do black lambs turn white?

As a result, a black fleece in most sheep is recessive, so if a white ram and a white ewe are each heterozygous for black, in about 25 percent of cases they will produce a black lamb. In fact in most white sheep breeds only a few white sheep are heterozygous for black, so black lambs are usually much rarer than this.

Why is my black dog turning white?

A dog's hair turns white when his body stops forming melanin. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern. There are, however, other potential causes involving medical conditions and more.

Why is my white dog's skin turning black?

Our dogs have never had fleas. Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. Canine Black Skin Disease: Caused by a hormone imbalance, genetics, and allergies.

Emergency Dog Health Care : How to Tell if Your Dog Is Sick

Can a black dog turn brindle?

Silver brindle is caused by the greying gene (G locus), which turns black to grey as the dog ages. Sometimes dogs with black stripes and a very light cream base (see above) are also referred to as silver brindles. This is because the pale base can cause the black stripes to appear lighter than they actually are.

Can a white dog have black puppies?

Of course, this can be the simple case of genetics – sometimes two white canines can produce black puppies if they both carry the dominant “black” gene. A color from generations ago can pop up in any puppy.

Can a black puppy turn brown?

Nope. Black puppies don't turn brown. It is not uncommon for a blue to have a brownish hue to their coat.

Can your hair turn white?

There is no scientific evidence that hair can turn white overnight due to some traumatic experience. However, legend has it that both Thomas More and Marie Antoinette suffered a hair colour change to white the night before their executions. But this condition refers to hair loss, not hair colour change.

Can GREY hair turn black?

In fact, hair doesn't actually “turn” gray. Once a hair follicle produces hair, the color is set. If a single strand of hair starts out brown (or red or black or blond), it is never going to turn gray.

What Your Pet's Color Says About Their Personality

Why does a dog's gums turn white?

The most easily observed and common clinical sign of anemia is a loss of the normal pink color of the gums; they may appear pale pink to white when examined. Anemic dogs also have little stamina or energy, so they seem listless or tire more easily. Pale gums and lethargy indicate the need to perform blood tests.

What makes a dog's gums turn white?

The most easily observed and common clinical sign of anemia is a loss of the normal pink color of the gums; they may appear pale pink to white when examined. Anemic dogs also have little stamina or energy, so they seem listless or tire more easily. Pale gums and lethargy indicate the need to perform blood tests.

Can a white poodle have black puppies?

White poodles are born exactly that, white. You can also have apricot and cream puppies eventually fade to white by the time you need to register them under their true color though, but a true white is born white, with black points. Lighter than apricot. Always with a black nose.

When a dog's gums turn white?

The most easily observed and common clinical sign of anemia is a loss of the normal pink color of the gums; they may appear pale pink to white when examined. Anemic dogs also have little stamina or energy, so they seem listless or tire more easily.

Why would a dog's balls turn black?

This might be pigment as many dogs have dark scrotums. But it might also be a sign of a skin infection or an infection in the scrotum or testicles. If the only symptom is the skin seems dark this could be normal skin pigmentation.

Black dog turns white

Why would a dog's hair turn white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Why would a dog's skin turn black?

Our dogs have never had fleas. Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. Canine Black Skin Disease: Caused by a hormone imbalance, genetics, and allergies.

Why would a dog's gums turn black?

Healthy gums should be bubble gum-pink in color. Some dogs, especially those of certain breeds, such as the chow chow, have black coloring in their mouths. This is normal pigmentation for some dogs. It is the result of microscopic melanin granule deposits, and it is not something to be concerned about.

Why do dogs turn white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Will a dogs pink nose turn black?

A dark dog nose can become brown or pink. Snow nose affects white dogs and lighter colored dogs most often, but other dogs may also lose nose pigment. It occurs most often during winter months, causing some people to theorize that the condition is related to sunlight.

Can black labs have white?

Black Labradors are ideally all black with a black nose, although one white spot on the chest is allowed in the show ring. Labrador retrievers first appeared in the 1800s. They are decedents of the now extinct breed St. John's water dog – which often had white markings. Dogs are not photocopy machines.

Can someone's hair turn white overnight?

The hair can't actually turn white overnight, because all the hair is "dead", and the only way you can make its colour change is with dyes. Hair gets its colour from a chemical called melanin, which is pumped in by cells at the base of the hair follicle. So here's a great truth - there's no such colour as grey hair.

Can dogs only see black and white?

Veterinarians used to believe that dogs saw only in black and white, but recent studies suggest that they actually do have some color vision—but it's not as bright as a human's. In other words, dogs see the colors of the world as basically yellow, blue, and gray.

Can two white dogs have a black puppy?

Of course, this can be the simple case of genetics – sometimes two white canines can produce black puppies if they both carry the dominant “black” gene. A color from generations ago can pop up in any puppy.

Can two black dogs have a white puppy?

Of course, this can be the simple case of genetics – sometimes two white canines can produce black puppies if they both carry the dominant “black” gene. A color from generations ago can pop up in any puppy.

Do giraffes turn black?

Aging Male Giraffes Go Black, Not Gray. When male giraffes reach about 9.4 years of age, their once light spots (see right) have darkened to coal-black (left), researchers have found. Data included an average of 10-plus years for each giraffe.

Will a puppy's nose turn black?

Many puppies that have a few small pink areas on their noses will have them fill in with pigment by the time they are a year or so. This pink nose belongs to a homozygous merle, though dogs of other colors can have them also. Her nose is almost completely unpigmented with only a few black spots.

What foods can turn your stool black?

Food and supplements that can cause black stool include: Black licorice. Blueberries. Iron supplements or foods high in iron. Pepto-Bismol (bismuth subsalicylate ) Other foods dark in color.

What happens if a wart turns black?

But when a human papillomavirus enters the body through small breaks in the skin, it can infect the skin cells beneath the surface, causing a wart to grow. A wart can take many months to grow before it becomes visible. Just before warts disappear on their own, they may turn black.

Why does chocolate turn white?

That white discoloration that sometimes forms on old chocolate turns the stomachs of chocolate lovers everywhere. For years, researchers have known that the harmless change, known as a fat bloom, is caused by liquid fat such as cocoa butter migrating through the chocolate and crystalizing on the candy's surface.

What happens when a wart turns black?

A thickening of the skin slowly forms over most of the wart and looks and feels like a callus. It may be hard to get rid of warts after they develop. But they generally go away on their own within months or years. Just before warts disappear on their own, they may turn black.

Will a puppy pink nose turn black?

Many puppies that have a few small pink areas on their noses will have them fill in with pigment by the time they are a year or so. This pink nose belongs to a homozygous merle, though dogs of other colors can have them also. Her nose is almost completely unpigmented with only a few black spots.

Do cream poodles turn white?

White poodles are born exactly that, white. You can also have apricot and cream puppies eventually fade to white by the time you need to register them under their true color though, but a true white is born white, with black points. Lighter than apricot. Always with a black nose.

Why do gums turn white?

Poor dental hygiene is the most common cause of gingivitis. People with gingivitis may experience irritated, red, and swollen gums around the base of their teeth. They may also notice loose teeth or bleeding when brushing and flossing. Over time, the condition can cause the gums to turn white and recede.

Can black labs have white puppies?

Since chocolate Labs will not carry the black gene, they cannot produce black puppies. Because yellow Labs override black and brown colors, two of them will create only a yellow litter.

Can purebred black labs have white markings?

Old dogs will have grey to white muzzles and sometimes around the eyes. This is a normal for aging Labradors. If a black lab had an injury that left a scar, the hair may grow back white instead of black. Purebred dogs are bred to resemble the breed standard.

Why is my dog's nose turning white?

Some noses fade during the colder months and return to their normal color during the summer months. This is a condition known as 'snow nose' or 'winter nose.' Certain breeds have noses that go from black to brown or pink as the dog ages. Contact dermatitis can also cause your dog or cat to lose pigment on the nose.

Why do dogs faces turn white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Why is my white dog turning red?

White dog fur turns red due to staining. The staining can occur on any color fur, but is most noticeable on white dogs. The main cause of this reddish discoloring is thought to be prophyrin, a protein found in body fluids such as tears and saliva.

Why is my dogs eye turning white?

Nuclear sclerosis. Nuclear sclerosis, also called lenticular sclerosis, can cause the pupils of your dog's eyes to take on a cloudy bluish-gray appearance. The condition is also seen in humans and horses. This condition is a normal change to the lenses of the eyes that typically occurs in dogs over the age of six.

Why do dogs fur turn white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Why did my dogs poop turn white?

Apparently, the reason dog poop turns white is because, after the water and any organic matter in the stool evaporates or decomposes (breaks down owing to various agents, like sunlight), it leaves behind white, inorganic calcium that may come from chewed bones or bone meal.

Do puppies noses turn black?

It can be black, brown, liver, pink, or the same color as its coat. Sometimes a dog's nose can start off one color and change to another as it ages. Puppies are often born with pink noses, which later darken. The weather: The most common reason a dog's nose loses its pigment is called winter nose or snow nose.

Why do iguanas turn black?

Blackening Skin, Blackening Skin Syndrome, and Vesicular Dermatitis. There are four reasons why your iguanas skin may turn black. If your iguana started out green and then turned black, it is not a normal color shift - it is a sign that you need to get in there and do something to fix the iguana or its environment.

Why does white dogs fur turn red?

White dog fur turns red due to staining. The staining can occur on any color fur, but is most noticeable on white dogs. The main cause of this reddish discoloring is thought to be prophyrin, a protein found in body fluids such as tears and saliva.

Why is my dog's mouth turning white?

This inner loss of blood can make your dog's gums white. Certain autoimmune diseases, such as hemolytic anemia, can cause loss of red blood cells.

Is a zebra black or white?

It was previously believed that zebras were white animals with black stripes, since some zebras have white underbellies. Embryological evidence, however, shows that the animal's background colour is black and the white stripes and bellies are additions.

Can black labs have white spots?

All these dogs are purebred Labs and no there is no paint or ink on these dogs. A cute chocolate with a white spot on its tail. These are very common and a "small white spot on the chest" is permissible in the AKC Labrador Retriever standard. A version of misplaced white hair.

Do white labs turn yellow?

Fortunately, a white Lab is almost always not actually an albino Lab. It is actually just a very pale version of a yellow Labrador. Their fur will almost always contain touches of cream or yellow, especially around the ears. A white Lab puppy will often have yellow ears.

Do dead fleas turn white?

Fleas don't turn color when they die. If they're reddish brown to begin with, they're likely reddish brown when dead. You can pick up some of the suspected flea dirt in a white tissue or paper towel, apply a small drop of water, and see if the black particles turn reddish brown after a couple of seconds.

What causes a dog's eye to turn white?

When white eyes occur in dogs due to the presence of lenticular sclerosis or cataracts, there are several causes as to why it develops. In lenticular sclerosis in dogs, the lens becomes harder as time passes.

What causes a dog's gums to turn white?

The most easily observed and common clinical sign of anemia is a loss of the normal pink color of the gums; they may appear pale pink to white when examined. Anemic dogs also have little stamina or energy, so they seem listless or tire more easily. Pale gums and lethargy indicate the need to perform blood tests.

Can Dalmatians be black with white spots?

This is not allowed for Dalmatians. They need to be either black/white spotted or liver/white. If a black dog has brown like spots on it, we call this tricolour. This is a rare occurrence in the Dalmatian dog population.

Can Poodles be black and white?

Silvers will have black points and dark brown eyes. This color is a diluted gray, caused by the silver allele V gene. White - Most white Poodles are a pure, snow white. However, some breeders will dub a white tinted with apricot or beige as being white.

Why does hair turn black?

Generally, if more eumelanin is present, the color of the hair is darker; if less eumelanin is present, the hair is lighter. Levels of melanin can vary over time causing a person's hair color to change, and it is possible to have hair follicles of more than one color on the same person.

Why does frostbite turn black?

When the skin is warmed after frostnip, it may turn red. In mild frostbite, the tissue is numb and feels soft. In more severe cases of frostbite, the skin can turn blue, gray or even black because of tissue injury. These changes sometimes don't happen until after the area is warmed.

Do puppy noses turn black?

Many puppies that have a few small pink areas on their noses will have them fill in with pigment by the time they are a year or so. This pink nose belongs to a homozygous merle, though dogs of other colors can have them also. Her nose is almost completely unpigmented with only a few black spots.

Can cocker spaniels be black and white?

The different colors within the breed are considered separate varieties. A Black Cocker includes solid black as well as black and tan. The parti-color Cocker is either black and white, brown and white, red and white, or tri-color. Cocker Spaniels are first and foremost companion dogs and should not live outdoors.

Can black labs have white on them?

Black Labradors are ideally all black with a black nose, although one white spot on the chest is allowed in the show ring. Labrador retrievers first appeared in the 1800s. They are decedents of the now extinct breed St. John's water dog – which often had white markings. Dogs are not photocopy machines.

What causes a dog's tongue to turn white?

The main difference in the symptoms of these two issues is color. Anemia will cause the membranes of your dog's gums to be pale pink to white. Hypoxia, a problem with the dog's lungs or with the air (if the air is too thin or is poisoned, for instance) causes the membranes to be bluish.

Why is my dog's tail turning white?

A dog's hair turns white when his body stops forming melanin. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern. There are, however, other potential causes involving medical conditions and more.

Why is my dog's fur turning white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Why do dogs nails turn white?

should I get him to a vet for it? There is a condition called vitiligo which caused changes from dark to light colour through loss of pigment but its most often seen, around the nose and lips and face and sometimes skin and coat, not sure if it can affect the nails maybe possible.

Why is my dog's hair turning white?

A dog's hair turns white when his body stops forming melanin. Melanin is the pigment that colors hair, and without it, hair is white. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern.

Why is my white dog turning yellow?

The condition is also called icterus or yellow jaundice. Jaundice is fairly easy to spot in dogs, though it may be more difficult to see on darker dogs than dogs with light fur or skin pigment. The yellow color comes from bilirubin, a pigment in bile produced by red blood cells.

Why do dog nails turn white?

should I get him to a vet for it? There is a condition called vitiligo which caused changes from dark to light colour through loss of pigment but its most often seen, around the nose and lips and face and sometimes skin and coat, not sure if it can affect the nails maybe possible.

Why did my dog's nose turn white?

Some noses fade during the colder months and return to their normal color during the summer months. This is a condition known as 'snow nose' or 'winter nose.' Certain breeds have noses that go from black to brown or pink as the dog ages. Contact dermatitis can also cause your dog or cat to lose pigment on the nose.

Will dog's nose turn black again?

Your dog could have what's called a Dudley Nose where his nose changes color for no apparent reason. A puppy's black nose may change to a brown color as he gets older and sometimes the pigmentation will fade to pink or white. Lupus Erythematosus is a condition that will cause a dog's nose to lose color.

Why did my dogs gums turn black?

Healthy gums should be bubble gum-pink in color. Some dogs, especially those of certain breeds, such as the chow chow, have black coloring in their mouths. This is normal pigmentation for some dogs. It is the result of microscopic melanin granule deposits, and it is not something to be concerned about.

Why do dogs nails turn black?

Unlike cats, dogs do not have retractile claws. The color of the nail is determined by the color of the surrounding skin and hair. This dog has black claws on the brown paw and a mixture of white and black claws on the white paw. Always remember to trim the dew claws that are located on the inner surface of the paw.

Why did my dog's toenail turn black?

Sometimes, dog owners may report changes in their dog's nail color, such as a dog's black nails becoming pale. When this happens, it can be simply a sign that the cells responsible for causing pigment (melanocytes) aren't producing any pigment for some reason, explains veterinarian Roger L. Welton.

Why is my dogs nail turning black?

Unlike cats, dogs do not have retractile claws. The color of the nail is determined by the color of the surrounding skin and hair. This dog has black claws on the brown paw and a mixture of white and black claws on the white paw. If you cut into the quick, the claw will bleed and the dog will experience pain.

Why is my dog's tongue turning black?

"Black tongue" occurs due to ulceration or inflammation in the mouth along with blood-stained drooling saliva. The dog's breath also turns foul. Black tongue can also be due to a deficiency of niacin. One of the few breeds of dogs that does not have a pink tongue is the Chow Chow.

Why did my dogs belly turned black?

Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. This has to be diagnosed by a veterinarian who will run tests and recommend treatment. Canine Black Skin Disease: Caused by a hormone imbalance, genetics, and allergies.

Why do dogs paws turn black?

Puppies are born with pads on their feet, which are similar to a human foot ball and heel because they both provide cushioned, protective surfaces for walking. Some puppy paws may change from pink to black as it develops, which is a common developmental stage.

Why did my dogs nail turn black?

Unlike cats, dogs do not have retractile claws. The color of the nail is determined by the color of the surrounding skin and hair. This dog has black claws on the brown paw and a mixture of white and black claws on the white paw. Always remember to trim the dew claws that are located on the inner surface of the paw.

Why do male dogs balls turn black?

This might be pigment as many dogs have dark scrotums. But it might also be a sign of a skin infection or an infection in the scrotum or testicles. If the only symptom is the skin seems dark this could be normal skin pigmentation.

Why is my dogs eye turning black?

The degeneration of the iris -- the colored part of the eye -- is referred to as iris atrophy. This can be as a result of normal aging or, if due to a secondary type, because of chronic inflammation or high intraocular pressure, which is often associated with glaucoma.

Why are my dogs whiskers turning white?

A dog's hair turns white when his body stops forming melanin. Just as it is with humans, aging is the most common cause of white hair in dogs. It is a normal and natural process and is not a cause for concern. There are, however, other potential causes involving medical conditions and more.

Why is my white dog turning pink?

White dog fur turns red due to staining. The staining can occur on any color fur, but is most noticeable on white dogs. The main cause of this reddish discoloring is thought to be prophyrin, a protein found in body fluids such as tears and saliva.

Why do dogs noses turn white?

Some noses fade during the colder months and return to their normal color during the summer months. This is a condition known as 'snow nose' or 'winter nose.' Certain breeds have noses that go from black to brown or pink as the dog ages. Contact dermatitis can also cause your dog or cat to lose pigment on the nose.

Why are my dogs ears turning black?

Yes, this may be related to Bess' ongoing inner ear. Not surprisingly, so are chronic ear infections. Allergic itch is a very common source of chronic irritation and infection that can cause the skin anywhere on the body (including the ears) to turn black and lose hair. I hope that helps to answer your questions.

Why are my dog's nipples turning black?

One of the most benign causes of discolored nipples are hormonal changes taking place in nonspayed female dogs. If your intact female was bred, consider that reddening and enlargement of the mammary gland along with increased body weight and abdominal distension are potential signs of pregnancy.

Do pink dog noses turn black?

A dog's nose turning from black to pink is sometimes called “winter nose” or “snow nose.” The condition often affects white and light-coated dogs, but any dog can lose pigment on their snout. That's why we often see a dog's nose lose pigment and become pink as he or she gets older.

Why is my dogs skin turning black?

Black skin disease can occur in any breed and any age. Eventually, the skin becomes bald and is prone to frostbite or sunburn and infection. The skin where the hair has fallen out will begin to darken; this is called hyper-pigmented skin. Black skin disease does not cause itching or irritation.

Why is my dogs stomach turning black?

The medical term for darkening of a dog's skin is “hyperpigmentation. ” The color change is typically caused by inflammatory cells known as macrophages which tend to release melanin, causing the dog's skin to turn black, explains veterinarian Dr. Peter.

Why is my dog's skin turning black?

Our dogs have never had fleas. Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. Canine Black Skin Disease: Caused by a hormone imbalance, genetics, and allergies.

Is a zebra white or black?

It was previously believed that zebras were white animals with black stripes, since some zebras have white underbellies. Embryological evidence, however, shows that the animal's background colour is black and the white stripes and bellies are additions.

Why is my dog's tummy turning black?

Things That Can Turn a Dog's Tummy Black. Our dogs have never had fleas. Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. This has to be diagnosed by a veterinarian who will run tests and recommend treatment.

Why is my dog's nose turning black?

This is a condition known as 'snow nose' or 'winter nose.' Certain breeds have noses that go from black to brown or pink as the dog ages. This is thought to be a result of the breakdown of tyrosinase, which is an enzyme that produces pigment.

Why do dogs lips turn black?

If your dog's dark lips start turning pink, don't panic. It's possible he inherited a condition called vitiligo, which turns black pigment in skin pink as the dog ages. However, it's always a good idea to have your vet examine your dog if he develops any change in skin color.

Why is my black dog turning GREY?

Gray hair appears when the melanin in a dog's body begins to decrease. Due to a decrease in this dark pigment, hair becomes discolored. The decrease of melanin, however, is not always due to age. Therefore, we can safely state that not all dogs turn gray because of aging, there are other causes to this discoloration.

Why is my dog skin turning black?

Black skin disease can occur in any breed and any age. Eventually, the skin becomes bald and is prone to frostbite or sunburn and infection. The skin where the hair has fallen out will begin to darken; this is called hyper-pigmented skin. Black skin disease does not cause itching or irritation.

Why is dog's skin turning black?

Our dogs have never had fleas. Canine Black Crusty Skin: A disorder that results in darkening of the skin and hair loss caused by abnormally low levels of growth hormones. Canine Black Skin Disease: Caused by a hormone imbalance, genetics, and allergies.

What happens when a dog's eye turns white?

When white eyes occur in dogs due to the presence of lenticular sclerosis or cataracts, there are several causes as to why it develops. In lenticular sclerosis in dogs, the lens becomes harder as time passes.

What does it mean when a dog's tongue turns black?

If you have a dog breed that should have a pink tongue, take him to a vet if it is black. "Black tongue" occurs due to ulceration or inflammation in the mouth along with blood-stained drooling saliva. The dog's breath also turns foul. Black tongue can also be due to a deficiency of niacin.

Why does skin turn black?

A common cause of hyperpigmentation is an excess production of melanin. Melanin is a pigment that gives skin its color. And it's produced by skin cells called melanocytes. Excessive sun exposure can also cause an increase in melanin.

Why does nails turn black?

A black toenail may be caused by: An underlying medical condition: This may include anemia, diabetes, heart disease, or kidney disease. Trauma: Usually caused by an injury, trauma to the toenail can cause the blood vessels beneath a nail to break. The resulting bleeding underneath the nail appears black.

Will puppies nose turn black?

Many puppies that have a few small pink areas on their noses will have them fill in with pigment by the time they are a year or so. This pink nose belongs to a homozygous merle, though dogs of other colors can have them also. Her nose is almost completely unpigmented with only a few black spots.

Why do fingernails turn black?

Not having enough vitamin B-12 can cause nails to turn dark, thin and possibly spoon shaped. Dark spots or streaks rather than full discoloration of the nails may be caused by bruising, psoriasis, melanoma (a type of skin cancer), chronic infections, and medications such as from cancer chemotherapy.

What does it mean when a dogs eye turns white?

Nuclear sclerosis. Nuclear sclerosis, also called lenticular sclerosis, can cause the pupils of your dog's eyes to take on a cloudy bluish-gray appearance. The condition is also seen in humans and horses. This condition is a normal change to the lenses of the eyes that typically occurs in dogs over the age of six.

What does it mean when a dog's gums turn black?

If the gums are turning black around the edges of the teeth and there's bad odor, it's a dental issue like gingivitis and you should take it to the vet. But if your dog has naturally black gums, it isn't something to worry about. Dogs have gums that match the color of their skin beneath their coat.