Should I worry if my dog keeps shaking their head?

We’ve all seen it—that vigorous head shake that sends floppy ears flying. While an occasional shake after a bath, swim, or good ear scratch is perfectly normal, frequent or persistent head shaking is often your dog’s way of saying something doesn’t feel right. The good news is that many causes are treatable, especially when they’re recognized early. Knowing what to watch for can help you get your dog the care they need before a minor irritation becomes a bigger problem.

When Is Head Shaking Normal?

Dogs naturally shake their heads from time to time. It’s common after bathing, swimming, ear scratches, or when dirt or debris causes irritation. If the shaking stops after a few moments, there’s usually no cause for concern. However, if your dog repeatedly shakes their head throughout the day, scratches at their ears, or seems uncomfortable, it’s time to pay closer attention.

The Common Causes Why Dog Keeps Shaking Their Head

Ear Infections

Ear infections are one of the most common reasons dogs repeatedly shake their heads. Bacterial or yeast infections often develop as a result of underlying allergies and can make the ears painful and inflamed.

Signs may include:

  • Redness
  • Unpleasant odor
  • Dark or yellow discharge
  • Frequent scratching
  • Sensitivity when the ears are touched

Because ear infections typically require prescription treatment, it’s important to have your veterinarian examine your dog’s ears rather than trying to treat the problem at home.

Allergies

Many dogs who experience chronic ear problems actually have allergies. Environmental allergens such as pollen, mold, dust mites, or grasses—as well  as certain food ingredients—can cause inflammation inside the ear canal. That inflammation creates the perfect environment for recurring ear infections.

You may also notice other signs of allergies, including itchy skin, licking paws, or frequent scratching.

Foreign Objects

Dogs are experts at exploring the world nose-first—and sometimes that adventure follows them home. Grass seeds, dirt, plant material, or other small debris can become lodged inside the ear canal, creating immediate irritation and repeated head shaking. Regularly checking your dog’s ears after hikes, nature walks, or outdoor play can help you catch problems early.

Water in the Ears

Many pet parents worry that swimming or bathing automatically leads to ear problems. A small amount of water in the ear usually isn’t cause for concern and often resolves on its own. However, excessive moisture can contribute to irritation or infection in some dogs. If your dog frequently swims or enjoys water play, ask your veterinarian whether an ear-drying product is appropriate. Avoid using over-the-counter ear products without professional guidance, as some products may cause additional irritation if used incorrectly.

Ear Mites and Ticks

Although less common than infections or allergies, parasites can also cause head shaking. Ear mites are highly contagious and create intense itching and irritation, while ticks attached near or inside the ear can cause pain and inflammation. Left untreated, these parasites may lead to infection and, in severe cases, hearing damage.

Should You Clean Your Dog’s Ears?

Routine ear checks are a great habit, especially for dogs with floppy ears, allergies, or active outdoor lifestyles. Using a veterinarian-approved ear cleaner occasionally can help remove normal wax and debris. However, more cleaning isn’t always better. Over-cleaning can irritate the ear canal, disrupt its normal balance of healthy microorganisms, and actually increase the risk of inflammation.

If you’re unsure how often your dog’s ears should be cleaned, ask your veterinarian for guidance based on your dog’s breed, lifestyle, and medical history.

When Should You Call Your Veterinarian?

If your dog’s head shaking continues for more than a day or two, or if you notice additional symptoms such as:

  • Ear odor
  • Redness
  • Discharge
  • Persistent scratching
  • Swelling
  • Pain when the ears are touched
  • Loss of balance
  • Changes in hearing

then it’s time to schedule a veterinary examination. Many different conditions can cause head shaking, and the only way to determine the underlying problem is for a veterinary professional to examine the ear canal.

How Green Acres Can Help

While regularly attending a pet resort isn’t a substitute for veterinary care, the experienced pet care professionals at Green Acres Pet Resort spend hours observing your dog’s daily behavior. If your dog begins shaking their head more frequently during daycare or boarding, repeatedly scratches at their ears, or seems uncomfortable, our team will let you know so you can follow up with your veterinarian.

Working together, pet parents, veterinary professionals, and your pet care team can often identify concerns early—helping your dog stay comfortable, healthy, and ready for their next adventure.