
Dogs biting and chewing their nails and paws is a common behaviour that can indicate underlying issues. While a few licks to clean wet or dirty paws is normal, persistent and excessive biting, chewing, or licking can be a cause for concern. Long nails can cause discomfort and pain, and dogs may bite their nails to manage nail length. This can lead to broken nails, which can cause further pain and infection. In addition, long nails can dig into a dog's paw pads, causing discomfort and altering the way the dog's foot sits on the ground. This can lead to mobility issues and affect the dog's gait. Therefore, it is important to monitor a dog's nail length and keep them trimmed to prevent discomfort and related behavioural issues.
| Characteristics | Values |
|---|---|
| Cause | Allergies, yeast infection, pruritic pododermatitis, pain, anxiety, boredom, arthritis, joint pain, fleas, parasites, bacterial or fungal nail infection, overgrown nails, broken nails, dry skin, autoimmune diseases, corns, nail injury, environmental factors, food allergies, contact allergies, or infections. |
| Treatment | Allergen avoidance, antihistamines, immunotherapy (allergy shots), surgery, biopsy, over-the-counter paw balm, regular nail trimming or grinding, veterinary attention, flea and tick treatments, supplements, exercise, and stimulating activities. |
| Prevention | Regular nail trimming or grinding, washing dog's feet, providing stimulating activities, and addressing anxiety or boredom. |
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What You'll Learn

Dogs may chew their nails to manage nail length
Like human nails, canine nails grow continuously and need to be maintained. If they are not trimmed regularly, they can become long and uncomfortable, causing pain and affecting a dog's mobility. Broken nails can occur due to disease or injury, and dogs may chew on them to find relief. This can expose the quick, the inner part of the nail, which can be painful and lead to bleeding.
It is important to monitor a dog's nails and keep them trimmed to a healthy length. This can help prevent discomfort and potential health issues. Regular trimming can also train the quick to retract, allowing for shorter nails. In addition to trimming, washing a dog's feet after walks can help prevent nail chewing.
While nail biting can be a normal grooming behaviour, excessive biting, chewing, or licking can indicate an underlying issue. Allergies, for example, can cause itchy and inflamed skin, leading to nail biting and paw chewing. Other potential causes of nail biting include anxiety, boredom, and parasites such as fleas. If nail biting persists or is accompanied by other symptoms, it is recommended to consult a veterinarian for advice and treatment.
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Allergies can cause itching and discomfort, leading to nail biting
While nail biting in dogs may seem harmless, it can indicate underlying issues that need attention. Allergies are a common cause of skin irritation and itching in dogs, which can lead to excessive foot and nail biting.
There are three primary types of allergies that can affect dogs: food allergies, contact allergies, and inhaled allergies. Food allergies can develop in response to specific ingredients in a dog's food, such as proteins (chicken, beef, or fish), grains (wheat, corn, or soy), or additives. These allergies trigger an immune system response, leading to skin problems like itching, redness, and inflammation. Dogs with food allergies often chew on their paws to alleviate the discomfort.
Contact allergies occur when dogs come into contact with irritants or allergens in their environment, such as certain plants, cleaning products, or materials like rubber or plastic. The symptoms may include localized itching and redness, often leading to chewing on the affected areas, including the paws. Identifying and eliminating the source of the contact allergy is crucial to providing relief.
Inhaled allergies, or environmental allergies, are also common in dogs. These can be triggered by allergens in the air, such as pollen, mold, or dust mites. Inhaled allergies can cause itching and discomfort, especially between the toes, leading to nail biting.
In addition to allergies, there are other potential causes of nail biting in dogs. For example, long nails can cause discomfort, leading dogs to bite their feet to find relief. Broken nails, yeast infections, parasites such as fleas and ticks, and autoimmune diseases can also contribute to nail biting behaviour. It is important to consult a veterinarian to determine the underlying cause and provide appropriate treatment.
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Yeast infections can cause itchiness, leading to excessive nail biting
While long nails can cause discomfort and lead dogs to bite their feet, there are several other reasons for this behaviour. One common cause is a yeast infection, which can make the surrounding skin itchy, prompting dogs to bite and lick their feet.
Yeast infections in dogs are typically caused by an overgrowth of the Malassezia yeast species, which is usually present on a dog's skin without causing any issues. However, when a dog's immune system weakens or an underlying health condition is present, the yeast can rapidly multiply and cause an infection. This often occurs in warm, moist areas of the skin, such as between the paw pads, and can lead to severe itchiness, redness, and swelling.
The symptoms of a yeast infection can include a musty odour, greasy fur, thickening and discolouration of the skin, and intense itching. If left untreated, yeast infections can cause extreme discomfort, decreased appetite, and lethargy. Therefore, it is important to seek veterinary advice if a yeast infection is suspected.
In addition to yeast infections, there are other potential causes of excessive nail biting in dogs. Allergies are a common trigger, with environmental allergies being more prevalent than food allergies. Allergies can cause itchy and inflamed skin, leading to nail biting as a way to alleviate the discomfort. Parasites, such as fleas and mites, can also cause intense itching and discomfort, resulting in excessive nail biting.
It is important to identify the underlying cause of nail biting in dogs to provide appropriate relief. This may involve veterinary treatment, allergen avoidance, or the use of specialised dog chews to redirect their chewing behaviour.
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Long nails can be uncomfortable and cause pain, leading to chewing
Dogs may chew their nails and paws due to various reasons, and long nails are one of the common causes. Nails that are too long can cause discomfort and pain for dogs, leading them to bite and chew their feet and nails to find relief. This behaviour can be their way of trying to trim their nails or alleviate the discomfort caused by overgrown nails.
Long nails in dogs can lead to several issues. Firstly, they can grow long enough to curl under, causing pain and making it difficult for dogs to walk comfortably. This can alter the way a dog's foot sits on the ground and even inhibit traction. Secondly, long nails are more prone to cracking, breaking, and becoming brittle. Broken nails can be extremely bothersome and painful for dogs, as they may split towards the toe, exposing the quick, which is the inner part of the nail. This exposure can further increase the risk of infection, causing more discomfort and leading to a cycle of nail chewing.
Additionally, overgrown nails can become uncomfortable as they dig into the paw pads, providing another reason for dogs to chew on them. Regular nail trimming is crucial to prevent these issues, and it is recommended that dog nails should not touch the ground when standing. However, it is important to be cautious while trimming nails, as cutting too close to the quick can cause pain and bleeding. Consulting a veterinarian or a professional groomer can be helpful in maintaining proper nail care for your dog.
While nail chewing due to long nails is common, it is important to be aware of other potential causes. Allergies, for instance, are a significant factor that can lead to skin irritations, itching, and redness, resulting in excessive foot and nail biting. Food allergies, environmental allergies, and contact allergies can all contribute to this behaviour. Yeast infections, parasites, and autoimmune diseases are also possible causes of paw chewing and nail biting in dogs.
In some cases, nail chewing and paw biting may be related to behavioural issues or emotional factors. Anxiety, boredom, and loneliness can play a role in these behaviours. Dogs may chew their nails to cope with anxiety, similar to humans biting their nails during nervousness. Additionally, it has been observed that dogs may develop certain habits, such as excessive licking and chewing, even after the initial medical issue has been resolved. Consulting a veterinarian is essential to determine the underlying causes and provide appropriate solutions for your dog's well-being.
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Paw chewing may be a sign of anxiety or boredom
While occasional paw chewing or licking is usually harmless, frequent or obsessive paw-chewing behaviour in dogs may indicate underlying issues that need attention. One common cause of paw chewing is allergies, which can cause itchy, red, and inflamed skin that dogs try to soothe by chewing. Environmental allergies are more common in dogs than food allergies, but food allergies and intolerances can also be the culprit. Allergy symptoms may intensify during specific seasons or after meals, so owners should monitor when their dog's paw-chewing behaviour occurs.
Another possible cause of paw chewing is physical discomfort or pain. For example, dogs may chew their paws due to joint pain or arthritis, irritation caused by contact with certain surfaces, or injuries such as broken nails. Dogs may also chew their paws due to infections, autoimmune diseases, or skin issues like blisters and insect bites. In some cases, paw chewing may be a sign of anxiety or boredom, as dogs may engage in self-soothing behaviours when they are stressed, lonely, or under-stimulated.
If you are concerned about your dog's paw-chewing behaviour, it is important to consult a veterinarian to determine the underlying cause and receive appropriate treatment. In the meantime, there are several measures you can take to prevent and address paw chewing. Keeping your dog's nails trimmed and paws clean can help prevent discomfort and reduce the risk of infection. Providing mental stimulation through interactive toys, puzzles, or training exercises can redirect your dog's focus and reduce stress-related chewing. Ensuring your dog gets enough daily exercise can also help mitigate boredom or anxiety.
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Frequently asked questions
There are several reasons why your dog might be chewing its feet. It could be because of allergies, infections, or parasites. It could also be a sign of anxiety or boredom. If you're concerned, it's best to consult a veterinarian.
Allergies can cause itchy, red, and inflamed skin, which may lead to your dog chewing its feet to relieve the discomfort. Common allergens include certain plants, cleaning products, materials like rubber or plastic, and flea saliva.
If your dog has a bacterial or fungal nail infection, you may notice symptoms such as inflammation and discharge. In this case, chewing on the nail can lead to further infection and more chewing, creating a painful cycle.
Regularly trim your dog's nails to prevent them from becoming too long and causing discomfort. You can do this yourself or take your dog to a groomer. If you're unsure, consult a veterinarian or groomer for advice.




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