The most common causes of hair loss in dogs

Learn the most important reasons that lead your pet to the loss hair

Learn the most important reasons that lead your pet to the loss hair

Seeing dogs suffering from hair loss or alopecia in dog is a very sad thing for many owners. Especially dogs with long hair, such as: German Shepherd and Golden Retriever. It is very important to know the causes of hair loss in dogs as there are many and many reasons so that we can find a treatment for it.

So, you know with us in this article the most important reasons for hair loss in dogs so that you can overcome them.

What are the symptoms of hair loss in dogs?

Symptoms of alopecia in dog hair can be gradual and appear over time, or they can be severe, which leads to sudden bald spots and other symptoms. Here are some signs of baldness that may appear in dogs:

  • Hair loss in general
  • Hair loss around the eyes and mouth
  • Bald spots
  • Symmetrical hair loss that appears in the same pattern on both sides of the body
  • Peeling and inflammation of the skin
  • Skin scales
  • Itching and cuts from itchy skin
  • Dark or gray spots
  • Bleeding around areas of hair loss

Hair loss causes:hair loss in dogs

1- seasonal hair loss in dogs:

Sometimes, severe dog hair loss appears to be just normal.

  • Dogs lose their fur when the hair becomes old or damaged,
  • Or seasonally, when the weather is warm.
  • Alopecia in dog occurs in seasonally throughout the year.
  • Some breeds, such as the Husky and Labrador, have a thick winter coat of fur which fall in the spring.
  • Seasonal hair loss is often reduced if you live in a temperate climate.
  • If hair loss is massive or out of control, grooming your dog several times a week can remove excess hair and control it

2- Alopecia in dog due to allergies:hair loss in dogs

Dogs can develop allergies like humans, and some of the most common signs are itchy skin and hair loss. The most common allergy to dogs is

  • Environmental sensitivity to irritants such as pollen, mold, and dust
  • Allergy due to external insects such as fleas and scabies
  • Food allergy.

If your vet suspects allergies, they may recommend controlling fleas, medications to control itching, and avoiding allergens or Changing food to exclude food allergy.

Dietary allergies can only be diagnosed with a nutritional experience of at least eight weeks. If your veterinarian puts your dog in a dining experience with a hypoallergenic meal plan or a hypoallergenic prescription food, it is important to ensure that your dog does not eat anything else during the trial.

  • Eating one piece of stolen chicken or a small piece of food as a bonus can confuse the results.
  • If the main cause is allergies and is properly treated, your dog’s hair should grow and itch must stop and stop hair loss in dogs.

3- Malnutrition: hair loss in dogs

Malnutrition or a diet that has low-nutritional value can cause your dog’s hair to be dull and lose dog hair. Not all dry foods are suitable for your dog. A large dog breed like Great Dane would require different feeding for a working dog like Kelpie

Many dog ​​owners choose changing to commercial dry food for their dog, or they may decide to change to a raw diet.

 If you are considering going in any of these ways, to avoid malnutrition and hair loss in dogs, you should gain some scientific nutritional knowledge to ensure that your dog will not miss valuable vitamins and minerals

There are also many home remedies for dog hair loss. like adding apple cider vinegar to dog  bath water to promote hair growth, or a spoonful of flaxseed oil in their food What is the proper way to feed my dog??

4- Bacterial or fungal infections:

  • hair loss in dogsBacteria and fungi are normal inhabitant found on dogs’ skin.
  • But sometimes they can get out of control and cause an infection.
  • Fungus or bacterial infection on the skin may cause hair loss, redness, itching and bad smell
  • Sometimes it causes bacterial infections that resemble pimples.
  • Dogs can be infected with Ringworm. It is not actually a worm but rather a fungus that causes alopecia in dogs in small areas of the skin in a circular shape with red spots, itching, or white, scaly skin.
  • These lesions sometimes go away on their own, but it is usually best to seek treatment with an antifungal shampoo and medication. Neglecting ringworm can lead to a secondary bacterial infection as well
  • The vet will perform a full examination, recommend some tests and prescribe antibiotics or antifungals to treat the infection if necessary.

5- Scabies and other parasites hair loss in dogs

  • Scabies is a comprehensive term for itchy skin infections caused by mites.
  • Mites are microscopic creatures that live on the surface of the skin or in hair follicles.
  • Scabies causes hair loss in dogs and itching by drilling or chewing on the skin.
  • Some mites, such as scabies mite, are highly infectious to both humans and other dogs. 
  • Another type of Demodex mite, not contagious but still causes hair loss and may require treatment.
  • Fleas are a very common cause of dog hair loss. Fleas can make dogs feel itchy in some places.
  • Mites and fleas are very infectious, so any parasites you already find on your dog may spread to your home and other pets.
  • If you find evidence of mites or fleas, your veterinarian can prescribe a quick anti-parasitic medication and provide advice to rid your home of pests. Treating ticks and fleas in dogs

6- Worms:

Worms can cause alopecia in dogs by interfering with the dog’s ability to process nutrients.

Worms live inside the dog and can travel from dog to dog by inhaling or licking the hind limbs to each other.

Dogs that have worms usually show signs of fatigue and are quicker to get tired. So, getting rid of regular worms can not only prevent dog hair loss, but also result in a happier and healthier dog.

Worms are very contagious, so it is extremely important to get rid of the dog worm regularly The most important dog vaccination

7- Health problems

  • If the dog is losing hair all over his body, the problem may be due to an internal organic disease
  • The skin is technically the largest organ in the body, and requires massive amounts of nutrients to stay healthy.
  • If your dog has an underlying medical problem, his hair and fur are usually the first to suffer because the body will shift resources away from the skin and toward the internal organs that need help.
  • Liver disease, kidney disease, and cancer can also cause unexplained hair loss
  • If the veterinarian suspects that there is an internal problem such as the cause of hair loss in dogs, they may recommend laboratory tests and possibly X-rays or ultrasound to determine the cause
  • The treatment for your dog’s hair loss depends on other health needs of your pet.

8-Hormonal disorders:

  • Hormonal conditions – such as hypothyroidism, adrenal disorders, or growth hormone disorders – can cause dog hair loss.
  • Some dogs can lose hair after neutering or spaying because of low testosterone. why you should spay and neuter your pet??
  • If you think your dog is losing more hair than usual or if he suffers from alopecia in dog, make an appointment with your vet.
  • dogs that suffer from hair loss need a visit to the vet, but their condition is often disposable with a slight change in food or medicine. Continue to care for your dog’s hygiene and brush regularly until you discover the early signs of the problem

9-Cushing’s disease:hair loss in dogs

This is known as the adrenal hyperplasia located above the kidneys, causing massive amounts of cortisone to be produced. Among the most important symptoms:

  • Hair loss in dogs
  • The skin becomes dark
  • Abdominal hypertrophy
  • Mostly this disease affects medium-aged dogs.
  • However, the high dose of cortisone in high doses and for long periods of time will lead to the same result

10-Addison’s disease (hydrocortisone)

Addison’s disease is the opposite of Cushing’s disease, where the adrenal glands produce fewer corticosteroid hormones or cortisone than the dog’s body requires, which leads to alopecia in dogs 

11-Alopecia X

Alopecia X, also called black skin disease, is caused by an imbalance in the sex hormones. This leads to alopecia in dogs and the body’s inability to regrow the coat. This is accompanied by insufficient production of melatonin, which makes the skin darker over time. This disease is not very common and can be cured by taking hormones


Hair loss in dogs can occur because the dog’s thyroid gland is not working properly, when he is unable to produce enough of the thyroid hormone the body requires. To treat this condition, a medication that can help the dog’s body to produce more thyroid hormone through the thyroid can be prescribed.

13-Genetic factors:hair loss in dogs

Some breeds are genetically predisposed to the appearance of spots alopecia in dog. This genetic condition is mostly harmless, and most dog owners live with it instead of treating it, as hair falls around the outer ear, chest and back area, lower neck, and groin area.

There are some species that are more likely to lose hair than others, such as:

  • Doberman Pinscher
  • Dachshund
  • Chihuahua
  • Italian Greyhound
  • Whipped

There are some other species that are born with little or no hair, such as: causes of hair loss

  • Chinese Crested
  • Mexican Hairless (Xolo)
  • American Hairless Terrier

14-pressure sores:

Pressure sores, also called bedsores or decubital ulcers, are localized injuries where the dog’s elbows or other bony pressure points (hips, hocks, etc.) come into contact with hard surfaces regularly. This constant pressure and friction cause the skin to callus, lose hair and sometimes crack and bleed. Pressure sores are more common older dogs, especially large or heavy breeds

15-other reasons:

Other causes of hair loss in dogs include:

  • Nervous behavior such as chewing and licking
  • Reaction to a fragment, glass, or other foreign object in the skin
  • Injuries and scars
  • Reaction to vaccination
  • diabetic
  • Exposure to chemotherapy
  • skin cancer

Treating hair loss in dogs:

Treating alopecia in dog can vary a lot depending on the cause of the condition. You will need to see a vet to determine the cause of baldness in your dog.

  1. Antibiotics, antifungals and steroids are often used topically or orally to treat skin diseases and inflammation.
  2. Antihistamines may be used for allergic reactions. Therapeutic shampoo can treat a number of infections, especially scabies.
  3. Preventing fleas and ticks helps reduce itching
  4. Thyroid medications and hormone therapy can be used to correct some thyroid problems. Surgery may be needed to remove tumors or skin cancer.
  5. If the condition is caused by chewing the dog or licking, you may need to use Elizabeth’s collar to stop this behavior.
  1. There are also a number of supplements that you can add to your dog’s diet that improves coat health. Fish oil, vitamin A and vitamin E can help dry skin and some skin infections, as well as keep the fur shine in good condition. However, you should always follow your veterinarian’s instructions

How can you prevent alopecia in dog?

To prevent hair loss in dogs:

  1. Make sure to keep up with a regular preventative schedule such as flea and tick treatments and get rid of the dog worm regularly.
  2. Feed your dog high-quality food that gives the dog enough nutrients and minerals. Avoid foods with artificial flavors, sugar and other by-products.
  3. Prepare your dog for stressful situations that cannot be avoided, or try not to expose your dog to stressful situations that could lose his hair.
  4. Take your dog to perform annual medical checks for the veterinarian.
  5. Use natural shampoo and conditioner for dogs to prevent dry skin and irritation


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