Section: Behavior

Dog Scratching Ear Too.much

If you’ve noticed your dog pawing at one or both ears more than usual, it’s more than just an annoyance. Excessive ear scratching is a clear signal that something is irritating your dog’s ear canal. While an occasional scratch is normal, persistent or intense scratching can lead to inflammation, hair loss, and even secondary infections. Understanding the reasons behind this behavior is the first step toward relief for your pet.

Quick Q&A: Common Questions

Question: Why is my dog scratching their ear so much? Answer: The most common reasons include ear infections (yeast or bacterial), allergies (food or environmental), ear mites, or foreign objects like grass awns. Excessive moisture after swimming or bathing can also trigger itching and inflammation.

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Why Does My Dog Keep Scratching Their Ear?

Ear Infections (Otitis Externa)

Infections are the leading cause of excessive ear scratching. Bacteria and yeast naturally live in the ear canal, but when the environment changes (e.g., pH imbalance, moisture, or a weakened immune system) they can overgrow. Signs include redness, swelling, discharge, and a foul odor. Dogs with floppy ears, like Cocker Spaniels and Basset Hounds, are more prone to infections due to poor air circulation.

Allergies

Allergies to food ingredients (such as chicken, beef, or grains) or environmental triggers (pollen, dust mites, mold) often manifest in the ears. The ear skin becomes inflamed and itchy, leading to scratching. You may also notice your dog licking their paws or rubbing their face. Seasonal allergies can cause flare-ups during specific times of the year.

Ear Mites

These tiny parasites, Otodectes cynotis, are highly contagious and cause intense itching. They are most common in puppies but can affect dogs of any age. Along with scratching, you might see dark, crumbly discharge that looks like coffee grounds. Ear mites are easily treated with prescription medications.

Foreign Bodies

Grass awns, foxtails, or small debris can lodge deep in the ear canal. This causes sudden, frantic scratching and head shaking. If you suspect a foreign object, do not try to remove it yourself; a veterinarian needs to carefully extract it to avoid pushing it deeper.

Moisture and Swimmer’s Ear

Dogs that swim or get bathed frequently can develop “swimmer’s ear” (acute moist dermatitis of the ear canal). Excess moisture creates a perfect breeding ground for bacteria and yeast. Drying the ears thoroughly after water exposure can prevent this.

How Can I Help My Dog at Home?

Before you try any home care, it’s wise to have a veterinarian rule out serious causes, especially if the scratching is severe or has been going on for more than a day. For mild cases, you can take the following steps:

  • Clean the ears gently: Use a veterinarian-recommended ear cleaner and a cotton ball. Do not insert cotton swabs into the canal; they can push debris deeper or damage the eardrum.
  • Dry the ears: After cleaning or water exposure, dry the outer ear with a soft cloth.
  • Prevent scratching: An Elizabethan collar (cone) can stop your dog from damaging the ear tissue while you wait for a vet appointment.
  • Check for visible irritation: Look for redness, discharge, or swelling. If you see any of these, it’s time to call the vet.

Avoid using over-the-counter ear drops or home remedies like vinegar or hydrogen peroxide, as they can worsen inflammation or cause burns if the eardrum is ruptured.

What Will the Vet Do?

Your veterinarian will start with an otoscopic exam to look deep into the ear canal and check the eardrum. They may also take a sample of ear discharge to examine under a microscope (cytology) to identify the type of infection (yeast vs. bacteria) and check for mites.

Treatment depends on the diagnosis:

  • Infections: Prescription ear drops (antibiotics, antifungals, or anti-inflammatories) applied for 1–2 weeks.
  • Mites: Topical parasiticides, often with repeat treatments.
  • Allergies: A treatment plan may include elimination diets, antihistamines, or allergy shots.
  • Foreign bodies: Removal under sedation or anesthesia.

In chronic or severe cases, your vet may recommend a full ear flush under sedation to clean out debris and medication deeper in the canal.

Prevention Tips

  • Dry ears after swimming or baths with a cotton ball or gentle ear dryer.
  • Clean ears weekly with a vet-approved cleaner, especially for floppy-eared breeds.
  • Check ears regularly for redness, odor, or discharge.
  • Manage allergies by identifying triggers with your vet and adjusting diet or environment.
  • Treat all pets in the household if ear mites are diagnosed, as they spread easily.

When to See the Vet

Contact your veterinarian if your dog:

  • Has been scratching for more than 24 hours.
  • Shows head shaking, tilting the head, or loss of balance.
  • Has a swollen, painful, or bleeding ear.
  • Produces thick, dark, or foul-smelling discharge.

Early intervention prevents complications such as chronic ear disease, hearing loss, or a ruptured eardrum.

Final Thoughts

Watching your dog scratch their ear constantly is concerning, but the good news is that most causes are treatable. By understanding the possible triggers and knowing when to seek professional help, you can keep your dog comfortable and healthy. If in doubt, a quick vet visit saves time and prevents unnecessary suffering. Your dog’s ears are delicate; treat them with care.

Disclaimer: This article is for educational and informational purposes only. It is not intended to substitute for professional veterinary advice, diagnosis, treatment, or regulatory guidance. Always consult a licensed veterinarian or qualified specialist regarding animal health, disease diagnosis, and therapeutic decisions.