Why Does Dog Shed So Much? All Reasons Explained In Detail.

Last updated on July 8th, 2019 at 01:33 pm

Do you’ve ever wondered, why does dog shed so much of their hairs?

Yeah, Shedding in dogs is a matter of concern to most dog owners. Many seem to wonder why their pet suffers so much hair loss.

So, It is needful to know, that all dogs with the exception of completely hairless breeds shed their hair seasonally. Dogs shed their hair to get rid of dead and damaged hairs.

If your dog is shedding hair, never worry except you notice some abnormality in the rate and type of hair shed. Dogs may shed more hair than necessary as a result of underlying health challenges among other factors.

If you’re like many of us who’s finding his dog’s hair all over in their home, let it be couch or cloth everywhere; then it’s essential for you to understand why does your dog shed so much of hairs.

Why Does Dog Shed So Much? – Things You Need To Know.

Yeah, to understand whole shedding phenomenon, it will be better to start with understanding the real reason it happens in most of the dogs.

Regular Shedding in Dogs

Normal shedding for dogs is determined by their breed and gene. What is considered excessive shedding in some breeds may be the natural cycle for the coat of other breeds. It is therefore important to know the shedding rate and density of your dog. This will help you to accept and take responsibility for your dog shedding.

Top Reasons Why Your Dog Shed So Much

There are a lot of reasons why your dog suffers from excessive hair loss. The following are the top reasons why dogs shed so much.

  • Imbalance diet:

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    Poor diet accounts for most shedding cases in dogs. Dogs that don’t feed on balance diet often shed a lot of furs. A quality pet diet may be expensive but beneficial to the health of your dogs. Even if the feed of your pet meets the minimum requirements of quality, lack of protein may cause excessive shedding. Fish oils and foods rich in Omega-3 fatty acid are good supplements to give to your dog to control shedding.

  • Skin disease:

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    Dogs are bound to experience bulk shedding of their fur when they have skin related problems. Dogs have thin skin layers, which makes it easy for skin diseases to result in heavy shedding. Skin mites, ringworm, and fungal infections in dogs lead to excessive shedding of fur. These organisms stay in the skin of dogs to destroy their scalp and follicles. Also, it’s essential to keep your home clean using a strong pet hair vacuum cleaner in order to prevent such skin diseases from spreading.

  • Hormonal imbalance: 

    Dogs can shed as a result of an imbalance in the production of thyroid. One of the common hormonal imbalances in dogs is hypothyroidism. It is a condition of abnormally low thyroid gland activity. Hypothyroidism in dogs leads to retarded growth and serious loss of hair since less thyroxine is produced to convert food substances into fuel and energy.

  • Allergies:

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    Dogs like humans can be allergic to different things. Common substances and environmental factors may cause dogs allergies. When dogs react to allergies, a substance known as histamine is released in the bloodstream of dogs. Histamine is often released in response to injury, inflammation, and allergies in dogs. What happens after the release of histamine is itching in the body of dogs, which leads to bulk shedding of hair. A flea bite is a good example of a situation that causes itching in dogs.

  • Stress:

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    Stress is part of the causal factors for shedding in dogs. If your dog has been examined by a veterinarian and no shedding causes have been diagnosed, then stress may be the reason for the excessive hair loss of your dog. Stress and anxiety may build up in dogs for different reasons. Separation from home, the thought of impending danger, and fear are causes of severe anxiety in dogs. Scratching of the coat is a possible symptom of anxiety displayed in dogs. Licking a particular spot on the coat is another symptom of anxiety, and this might cause lesion for your dog.

  • Environmental factors:

    Changes in the environment tend to affect dogs. In the spring, some breeds often shed a lot of hair, which also take place in the fall for some dogs. The breed of dogs plays a major role in their seasonal shedding. In the summer, dogs tend to grow lighter hair and a thicker coat in the winter. It is therefore normal for shedding to occur before spring since winter coat is thicker.

  • Wrong shampooing: 

    If nutrition, stress, and allergies are not the cause of shedding, you might have to look into the grooming procedures you employ for your dog. The use of the wrong shampoo in bathing dogs could lead to excessive shedding. The use of improper grooming brushes and harsh tools can also lead to excessive loss of hair in dogs.

  • Lactation/Pregnancy: 

    The period of pregnancy, as well as lactation, often need more nutrients in dogs. Calcium and other needed minerals for healthy hair may be depleted during these periods. Hence, it is important to place pregnant or nursing dogs on special diets to make up for their extra nutrient demands.

  • Medication: 

    Certain long-term treatments and medications given to dogs may cause hair loss. Excessive shedding occurs in such dogs when medications are stopped. It is important for trained personnel only to administer treatment to dogs. This is to reduce the possible adverse effect and reactions due to medications.

Also Read :-

Common Allergies in Dogs That Can Result in Excessive Shedding

  • Skin allergy: This is also called dermatitis. The saliva of fleas causes skin allergies, especially on the tail of dogs. Skin allergies give room for other skin conditions as a result of licking and scratching of affected areas.
  • Food allergy: Food allergy causes skin itching in dogs. The paws and ears are the most common places where itching starts from.
  • Environmental allergy: When you expose dogs to an unsafe environment, they tend to be allergic to dust, mold, and pollen in the atmosphere. Environmental allergy causes may be seasonal in nature. It is therefore important, to understand the time to keep your dog away from the environmental. Environmental allergies affect the ankles, groin, ears, paws, the region around the eyes, and in between the toes of dogs.


It is important you understand the breed of your dog and how often it sheds. By so doing, you will know if there is a deviation in the way and manner it shed its hair. The above factors are important points to consider when your dog sheds excessively. They give a quick insight into diagnosing reasons why dogs seem to shed more hair than normal.

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