Why Is My Dog Chewing His Paws? 6 Common Causes

If your dog repeatedly chews his paws, the behavior is worth investigating. Occasional grooming can be normal, but frequent chewing may point to itching, irritation, pain, or another underlying problem.

1. Allergies and Itchy Skin

Environmental allergies can cause itchy skin and commonly affect the feet. Dogs with atopic dermatitis may lick or chew their paws and can also develop redness, hair loss, or recurring ear and skin problems.

2. Fleas or Other Parasites

Parasites can cause significant itching. Flea exposure should be considered even when fleas are not immediately visible. Ask your veterinarian whether your dog's parasite prevention is appropriate.

3. Bacterial or Yeast-Related Skin Problems

Skin infections can contribute to itching and may occur with redness, odor, scaling, hair loss, moisture, or discharge. Repeated chewing can further damage irritated skin.

4. Irritation After Outdoor Activities

Grass, dirt, chemicals, treated surfaces, and other environmental exposures can irritate sensitive paws. Notice whether chewing increases after walks or after a change in your dog's environment.

5. Injury or Something Stuck in the Paw

A sudden change affecting one paw deserves a careful check. Look between the toes, around the nails, and across the paw pad if your dog is comfortable with handling. Do not force the examination if your dog appears painful.

6. Repetitive or Stress-Related Behavior

Dogs can develop repetitive licking or chewing behaviors, but medical causes should be investigated first. If a physical cause has been ruled out, discuss behavioral factors with your veterinarian.

What Can You Do Today?

• Inspect the paws gently.
• Clean dirty paws after outdoor activity using a pet-appropriate method.
• Record when chewing occurs.
• Check whether other areas are itchy.
• Maintain appropriate parasite prevention.

When Should You Call a Veterinarian?

Seek veterinary advice when chewing is persistent, worsening, or accompanied by redness, swelling, bleeding, discharge, odor, hair loss, limping, or obvious pain.

Bottom Line

Repeated paw chewing is a symptom, not a diagnosis. Look for the pattern and underlying cause rather than simply trying to stop the behavior.

Read next: Why Does My Dog Keep Licking His Paws?

Research Sources

• Merck Veterinary Manual — Itching (Pruritus) in Dogs
• Cornell University College of Veterinary Medicine — Atopic Dermatitis