Black Scabs on Dogs in 2020 (Guide with Treatment)

Dogs are one of the most popular pets in the world because they are not only smart, loyal, and dynamic but also easy to raise.

However, because they are naughty and enjoy playing in the mud and dust, they will be very prone to skin diseases if you do not bathe them regularly.

In particular, black scabs are one of the common dermatological diseases in dogs. If your pet is sick, the treatment process will be quite hard and require you to be persistent. And the cost of handling it is not low.

However, this task is not impossible, especially if you know the knowledge in this guide.

And these are what you will get after reading this article:

  • Why your dog has black scabs
  • Effect
  • Prevention
  • How to cure black scabs on dogs

And finally, the FAQs about dog’s health relating to this issue.

Let’s explore now!

Page Contents

How will dogs be affected by black scabs?

Black scabs are a common disease that does not endanger the lives of dogs. However, they affect their daily lives and the dog owner.

Dogs with black scabs will always feel itchy, uncomfortable, and will continuously scratch. Besides, they will be very foul and make everyone around him uncomfortable.

Black scabs will appear to cause hair loss in those areas on the dog’s body, making him so ugly and dirty.

Plus, you will get tired when you have to clean dog hair scattering in your house all day. Worse yet, you might breathe the dog hair in and get respiratory infections.

If the dog is not treated early, the condition will become much more complicated. Black scabs on dog ears can spread quickly, making your pet uncomfortable and even painful.

Therefore, you need to pay attention to the signs on the dog’s body as well as take care of him thoroughly.

Why do dogs get black scabs?

Often, figuring out why dogs get black scabs is time-consuming because there are dozens of factors.

Therefore, veterinarians will usually treat it based on reducing and eliminating symptoms rather than going deeper into the causes.

However, providing illness reasons for them will help the treatment go in the right direction. Black scabs on dogs will also be resolved more quickly.

Furthermore, you will know some factors that are the potential to cause diseases in dogs. From there, you can prevent black scabs on dogs.

It can be said that the cause of this disease is plentiful, and the responsibility is not necessarily because the dogs are too naughty or dirty. In particular, the leading causes include:

Parasites (including ticks, fleas, etc.)

Dogs are susceptible to parasites. You may come across insects hiding under their fur.

There are even helminths and larvae in their digestive system, which cause blood and skin parasitic diseases.

Allergy and rash

Exposure to chemicals in the environment will also cause dogs to be allergic and itchy.

Chemical substances such as pesticides, pollen in the garden, household cleaners, household products, cosmetics, etc. can cause adverse effects on the dog’s skin.

This is because dogs always lie everywhere in the house and outdoor, including the areas that contain lots of chemicals.

Unlike humans, dogs will not get a runny nose or repeatedly sneeze when they get allergic. Instead, the animal’s body will respond to irritants by causing itching.

If your dog is allergic to these substances, they will continuously scratch, and the result will be scratched skin, bleeding, rashes, blisters, and black scabs.

Dog scratching


It is a disease that causes sores and black scabs on the dog’s skin. Initially, your dog will have blisters and itching. When the dog scratches or bites the blisters, they will break and then scab.

Because they have liquid, they are easily spread to other regions. Besides that, areas, where Impetigo occurs, will also lose the hair.

Inherited from the mother dog

Mother dogs who have black scabs during pregnancy and breeding will infect the disease to their babies.

Bathing too much

Too much of anything is not always good, right? In particular, there are dogs just lying in the house all day, but they bathe daily.

We won’t be surprised if one day, the owner realizes his dog has black scabs and don’t understand why.

Like the structure of human, dog skin and fur has natural oils to help them moisturize and prevent dirt.

If you regularly clean them with a shower gel that contains a lot of detergents, they will accidentally lose those “natural heroes.”

When the shields on their skin and fur are lost, they are more vulnerable and weaker compared to other dogs.

At that time, skin conditions such as black scabs will probably occur.

Lack of essential nutrients

Dogs that do not meet the nutrients, especially minerals, are very susceptible to skin diseases.

Parasites cause black scabs. Therefore, in addition to medications, dogs will need an excellent daily food source to be able to strengthen the immune system against them.

On the other hand, dogs that are starved for a long time will suffer illness both inside their body and on the skin.

That’s why wild dogs often turn skinny and get black scabs quickly.

Best ways to treat black scabs on dogs

Before giving you any of the black scabs on dog treatment that veterinarians often use, it’s important to note one thing.

That is, if your dog has more severe symptoms other than the black scabs on his body like anorexia or refusal of playing, that’s another disease.

In this case, you should take your pet to see a veterinarian or find out about other problems on our page.

As such, your dog will be cured in the right direction and will recover faster.

Here are some things you need to do before treating the black scabs on dogs.

While these are not mandatory, they are all necessary.

  • Limit injection if it’s not too serious
  • The dog should have a hair shaved for a better cure

Isolate sick dogs

Black scabs can be spread when other dogs come into contact with sick individuals. Therefore, you need to isolate the affected dog until he gets well.

Bathe the dog every day until the dog recovers

Every day, give your dog a bath with a mixture of specialized solutions to treat black scabs with water. Absolutely, do not use human shower gel for your pet.

Depending on the age of the dog, you will mix the solution and water in a particular proportion.

Before buying the product, you should find out about this in the manufacturer’s user guide or ask the seller.

While bathing your dog, you need to massage him for the medicine to be evenly osmotic on his skin. This also works very well in deodorizing dogs.

You need to shower your dog every 2-3 days for 2 weeks. If the dog gets worse, persist for a few more days so the black scabs will no longer come back.

In case it is too cold, you should not bathe him daily but put the mixture on a sprayer and spray directly on them. Do it frequently, about twice/day.

Do not allow your dog to scratch or lick the wound

When feeling itchy, the dog will not tolerate scratching. Therefore, you should use a dog collar to prevent him from doing so.

Use a dog collar to prevent dogs from scratchingAlso, do not skip the step just because the dog is not comfortable. It may cause other black scabs. Be patient for a few days, and your dog’s disease will go away.

Do not leave dog hair get humid

Many people often give their dogs a bath, wipe them off with a towel, and let their fur dry.

This is nothing wrong. However, for dogs with black scabs, keeping their hair dry is essential.

The moisture remaining on the dog’s fur will facilitate the growth of harmful bacteria and fungi. Therefore, after bathing your dog, you should use a hairdryer to dry them.

Give the dog medicine

There are many types of dog black scab cures, including sprays, topicals, and injections. In order for the medicine to soak into the skin, you need to shave the areas where it is applied.

When you take your dog to the veterinary clinic, the doctor will prescribe antihistamines like Benadryl in combination with topical or spray.

Antibiotics also work to make the bumps and rashes go away quickly.

In particular, if the inflammation drains pus, you need to buy physiological saline to wash it regularly and keep it dry.

In the event that black scabs in your dog cannot be completely treated with topical and bath medications, you should take the dog to a veterinarian to give him an injection.

If your dog’s condition is particularly severe, then the vet will provide it with medication. That’s because dog medicine is quite expensive. For example, Bravecto costs about $25-60.

Anyway, remember that not all medications work for all dogs. You need to test based on your veterinarian’s advice.

Sunbathing dogs

Daily sunbathing is excellent for dogs. You can let them play in the yard or take your dog for a walk together to exercise them.

They will get stronger day by day, thus increasing resistance to the black scabs and better appetite.

Change their diet

When dogs are sick, the best way to promote their health is to improve their diet. A good body will recover faster than a sick one.

Food for them will need lots of protein and essential fatty acids. They are very beneficial for the skin and dog hair during the healing process.

For fatty acids, you can add fish oil, canned fish, coconut oil, or flaxseed oil on a diet.

If possible, feed them groundfish and ground flaxseeds as fresh food is still better than processed food.

Furthermore, you also need to avoid pet foods containing fillers and artificial ingredients.

Your dog may not be accustomed to changes in their daily diet at first. Consequently, change gradually and increase the number until they get used to it.

Top 10 Products for Treating Black Scabs on Dogs

Organic Nose & Paw Wax Balm for Dogs

This is a product for dogs with dry skin like the feet, elbows, and especially the areas with black scabs.

It is a mixture of ingredients like olive oil, coconut oil, beeswax, and vitamin E, etc. So, it will help restore and soothe cracks in the skin, reducing itching for dogs.


  • Wax balm for dry and irritated skin.
  • Organic ingredients.
  • Non-toxic.
  • It does not make dogs uncomfortable.

Allergy Relief Immune Supplement For Dogs, Treats for Skin Itch, Hot Spots

Your dog will love to eat this product because it is easy to chew, and the taste is also great. It is suitable for dogs with black scabs caused by allergies.

This food not only helps to reduce dog allergy signs but also promotes healthy skin and fur. Better yet, it supports immunity and digestion with ingredients like vitamin C and licorice extract.

48,956 Reviews


  • Allergy treatment food.
  • Improve digestion, skin, and hair.
  • It does not contain fillers.
  • No side effects.

BEXLEY LABS Antifungal & Antibacterial Chlorhexidine Spray for Dogs & Cats

This spray can resolve almost all symptoms of a yeast-infected dog such as black scabs or hot spots on the skin, red skin, or dogs that always lick paws, etc.

After only 1-2 months, all of the above problems will not bother the pet anymore.

Also, it is much cheaper than other black scab treatments. You will save a decent amount of money with this product.

No products found.

Pet MD – Antiseptic and Antifungal Medicated Spray for Dogs

This is also another dog disinfectant spray product you can trust to buy.

It contains chlorhexidine, ketoconazole, fatty acids, aloe, and vitamin E.

In addition to improving skin problems, this product helps reduce roundworm in the dog’s digestive system and eliminate odors. You can combine it with shampoo to achieve the best effect.


  • Treatment of skin and yeast infections.
  • Organic ingredients.
  • Deodorization.
  • Safe for pets.

Veterinary Formula Clinical Care Premium Dog Supplement, Skin & Coat Itch Relief

If your dog’s situation is severe, you should let him use this product.

It helps to soothe sensitive and injured areas, itchiness, and promote skin healing.

That’s because, in the composition of the food, it contains fatty acids and fish oil. At an affordable price, this is one of the most effective methods against parasites in dogs.


  • It helps soothe itchy skin and reduces hair loss.
  • Soft, so it's easy to chew.
  • Suitable for all ages and sizes.

Allergy Immune Supplement for Dogs Peanut Butter, Treat for Seasonal Allergies + Skin Itch & Hot Spots

With ingredients including peanut butter, salmon oil, probiotics, and many essential minerals, this food is beneficial for your dog’s allergy.

It will make black scabs on dog skin disappear after only 2-3 weeks of use.

In addition, the animal’s immune system will be boosted, helping its body to respond healthier to external influences.

Your dog will no longer itch. Instead, its skin will be stronger and recover faster.


  • Supplement immunity for dogs.
  • Promote healthy responses.
  • Provides vitamins, protein, fiber, and antioxidants.
  • Support natural defenses.
  • Good for skin and fur.

Wondercide Natural Skin Tonic Spray for Pets

This spray is very benign. It is formulated entirely with natural ingredients, free of chemicals such as artificial colors, fragrances, or sulfates, etc.

You will be extremely satisfied letting your dog use this product.

You may notice a slightly unpleasant odor, but the smell will disappear very quickly after about 1-2 minutes. Your dog will not be bothered by the smell of these natural ingredients.

Furthermore, it works almost immediately after you spray on areas with black scabs of dogs. That is, it reduces irritation and relieves itching.


  • Reduce irritation rapidly.
  • Promotes healthy skin.
  • Natural ingredients.

PetMD Chlorhexidine Wipes for Dogs

This product is especially handy when you take your dog out for a walk or to a veterinary clinic. It is a deodorant and antiseptic in the form of wipes so you can take it anywhere.

The sheets are thin and wet but still ensure your dog’s skin isn’t dry after wiping.

They work to kill bacteria and yeast that cause disease. In addition, the smell of them is also very pleasant, will not make pets uncomfortable.



  • Deodorizes and reduces skin infections.
  • Slight scent.
  • Clean.
  • Comfortable for even sensitive skin areas.

Virbac Epi-Soothe

As we have said, bathing too much for dogs will result in loss of moisture and natural oils on their skin. And this shampoo from Virbac will be the best solution for you.

Not only does it restore the natural substances on the skin of the dog quickly, but it also helps the coat to be always sleek, not tangled.

If your dog has sensitive skin, everything is still perfect.

No products found.

PetHonesty Allergy Relief Immunity Supplement for Dogs

Dog allergies are one of the common causes of black scabs on dogs because they are difficult to heal in one cure.

However, with this PetHonesty allergy relief, your dog will no longer be allergic again.

With ingredients of natural origin such as salmon oil, colostrum, probiotics, etc., it stands out from other food products on the market.


  • Help remove black scabs permanently.
  • Improve the immune system.
  • Allergy control.
  • Smelly.

FAQs about Black Scabs on Dogs

What are the symptoms of skin cancer on a dog?

Many dog ​​owners are often confused with regular crusty scabs on dogs and dog skin cancer. They have some common symptoms such as scaly, hair loss, and itching.

However, to conclude that a dog only gets scabies due to parasites or skin cancer depends on many other factors.

For example, dogs with skin cancer are mostly middle-aged dogs (7 years old or more). 80% of cases are caused by dogs being exposed to too much UV rays in the sun. As a result, dogs with a lighter coat and shorter hair are more susceptible to cancer.

Regarding signs of dogs suffering from skin cancer, not everyone ​​will have black scabs. Even, they only account for a small number of cases of the illness!

Instead, they will have wart-like spots that grow more on the dogs’ eyelids, face, or head. When these spots break, they become ulcerated or bleed and then dry out, forming black scabs.

Therefore, if your dog does not have signs like this, you do not need to worry.

Why is my dog’s belly skin black? Is it related to black scabs?

The change in dog skin color has nothing to do with black scabs. It also does not appear after the dog has symptoms like black scabs on the dog stomach. There are several main causes of dog skin color changes as follows:

It is possible that as the dog matures, it will gradually change its color from lighter to darker, especially in older dogs.

If your dog frequently licks his belly, it will also change the color in the area over time. Often, it will turn red or dark brown. After that, the area will darken to be brown or black and may also thicken.

If dark spots appear on your dog’s belly, they may be inflamed, infected, or allergic. Hypothyroidism in dogs also causes similar signs with hair loss and baldness.

In addition, endocrine disorders are also a common reason.

What can I put on my dog’s irritated skin?

When your dog has irritated skin, you should soothe it with a number of options prescribed by your veterinarian or home-based options.

Usually, veterinarians will recommend buying over-the-counter allergy, flea medication, or infection medications, etc. of spray or topical.

Along with that, you need to combine bathing them with medicated shampoos and change daily food for the pet.

Which home remedies can I apply for my dog’s black scabs?

Depending on the cause of the black scabs on the dog, you may have a variety of home remedies.

For example, for dogs with lots of fleas, you can use ingredients like cedar, lemongrass, rosemary, and marigold.

They cannot kill fleas but are very effective at repelling those obnoxious animals.

If you used to bathe your dog with human soap, making his skin dried out, you could apply aloe vera gel or give him oatmeal baths.

What about scratches? Let’s wash them with brine. If possible, mix that solution with goldenseal. It works very well in disinfecting wounds.

In case of tangled dog hair, find any kind of vegetable oil and apply it on the tangle. Then, you use a comb and slowly remove it.

If your dog does foul, let him drink tomato juice.

Baking soda also works very well in eliminating odors. Put them in the dog bathwater, and you will gradually see a significant change.

What can I use to make my dog’s hair grow back?

First, you need to maintain a healthy diet for your pet, especially omega fats. As such, he will have enough nutrients to be able to feed the hair grow back healthy.

Second, to keep his coat shiny and healthy, spend time grooming it every day. Not only does it remove dead hair, but it also helps stimulate new hair growth.

Third, give your dog a bath with oatmeal. They are cheap and also very effective at removing dirt and bacteria.

And finally, you can mix a solution of water and vinegar to spray on the area that needs to grow the dog’s fur.

If you do all these four steps, your dog will quickly be beautiful again.

Do ticks and fleas leave scabs on dogs?


Black scabs are mainly caused by constant scratching by the dog, leading to sore and bleeding. As for fleas or sticks, they only leave red bumps on the skin of the dog.

After being bitten by fleas, the dog’s body will respond by stimulating itching, making it unbearable to scratch or rub on other surfaces.

The scratch created will produce fluid and dry out, creating black scabs.

There is also another case of black scabs on dog back involving fleas and sticks.

That is after these parasites suck the blood of the dog, the remaining blood on the dog’s skin will dry out and turn black. Or the small black pieces that you see on dog skin are flea droppings.

Should I pry my dog’s scabs off?

Absolutely not.

Even though the black scabs on your dog’s skin seem dry and about to flake off, there will still be certain injuries to that area.

Specifically, they can bleed or scratch the skin, making the wound can not heal immediately. And it will also be susceptible to infections.

Instead, besides topicals and sprays, you can use physiological saline to wash black scabs and the areas around it daily.

In addition to antiseptic effects, it will keep these areas healing and quickly slough off without any force.

Are black scabs on dogs painful?

It depends.

Based on the condition of the disease that black scabs on dog head can hurt the dog or not.

If your dog’s body has a few small black scabs, the diseases we have mentioned above are only in the early stages. They have not made the dog uncomfortable or in pain.

However, if you start to see dogs scratching or rubbing against walls or stumps, they may be irritating and itchy.

In particular, if you see in areas having black scabs, they appear pus or blood, and dogs often lick the scratches; that is, they are painful.

The dog’s activity of licking them is to clean and soothe the wound. Therefore, you should pay attention to their actions so that you can detect their diseases related to black scabs early.

From there, you can also offer appropriate treatments for them.

How can I prevent black scabs on dogs?

This is a fairly complicated disease that is difficult to cure, and dogs might suffer it again and again. Therefore, the best way to keep your dog healthy is to prevent it well.

The following are the rules and guidelines that you should follow.

Bathe your dog regularly but don’t do too much

As we mentioned, excessive bathing is one of the fairly common mistakes of dog ​​owners. Therefore, you should only do this task twice a week.

Also, you should limit the use of cleansers with strong detergents but use non-soap types.

Keep the house clean

Dogs can always lie anywhere in your house. Hence, always keep your house and your pet’s environment clean. Remember to vacuum it regularly, especially after your dog comes home.

You can also spray flea repellent around the areas that your dogs usually play and sleep to prevent fleas and parasites from surviving.

Give your dog a healthy diet

Right from the time a dog is young, healthy and nutritious diet is essential. Depending on the breed and his age, you should choose the right food for them.

Brush hair regularly

If the dog’s fur is frequently shed or tangled, it will be an ideal condition for parasites such as fleas and ticks to breed. Therefore, you need to brush them regularly to keep the coat always clean and shiny.

Give the dog flea and tick collars

If your dog has too many fleas, you should invest in flea and tick collars for them. It works to kill parasites on dogs’ skin and hair within 4 months.

Wrapping up

Hopefully, after what we have shared, you will be able to live happily with your pet without worrying too much about black scabs on dog scalp anymore.

In general, all your dog needs are your love and patience.

If you need further guides or advice on your situation, feel free to contact us or leave your comment below.

Don’t forget to like and share the article with others if you find it useful. Thank you.

Last update on 2021-11-24 / Affiliate links / Images from Amazon Product Advertising API

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