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Jul 4, 2026 Health & Wellness

Summer Dog Ear Infections:
Why Your Groomer Matters in July

It's July in Northern Virginia. The air is thick, the grass is wet most mornings, and your dog just came back from a swim at Algonkian Regional Park. You towel them off, maybe check for ticks, and move on with your day.

But there's something you probably didn't check — and it's the one thing that's most likely to cause a problem this month.

Your dog's ears.

Northern Virginia's July and August humidity creates the perfect environment for canine ear infections. Moisture gets trapped inside the ear canal, especially in floppy-eared breeds, and bacteria and yeast multiply fast. By the time you notice your dog scratching or shaking their head, the infection has often been developing for days.

Here's what's happening, why it's worse in summer, and how a thorough ear check during grooming can catch problems before they become a $400 vet visit.

Why Summer Humidity Causes Ear Infections

A dog's ear canal is shaped differently than a human's. It's L-shaped — a vertical canal that turns into a horizontal canal leading to the eardrum. That L-bend is where moisture, wax, and debris collect. In dry conditions, the ear manages reasonably well. In humid conditions, it doesn't.

Northern Virginia's summer climate — where Sterling and Reston routinely hit 70-80% humidity through July and August — turns the ear canal into an incubator. Moisture from the air, from swimming, from wet grass at the dog park, or from post-bath splashing gets trapped in that L-bend. Bacteria and yeast thrive in warm, dark, moist environments. An ear that would stay healthy in October becomes a problem in July.

Dogs can't tell you their ear feels off. They communicate through behavior — and by the time the behavior is obvious, the infection is usually established.

Which Dogs Are Most at Risk

All dogs can develop summer ear infections, but floppy-eared breeds are at significantly higher risk. The ear flap covers the canal opening, blocking airflow and trapping moisture inside.

Highest-risk breeds we see in NoVA:

  • Cocker Spaniels — Heavy ears, dense coat around the ear base, and a tendency toward wax buildup. If you're in Centreville with a Cocker, ear care is a year-round priority, not a summer one.
  • Golden Retrievers and Labradors — Swimmers and water lovers. That weekend at Lake Anne in Reston? The water doesn't drain cleanly from a floppy ear. Add summer humidity and you've got a yeast infection waiting.
  • Basset Hounds — Long, heavy ears that practically drag. Air circulation inside the canal is minimal.
  • Labradoodles and Goldendoodles — Hugely popular in Loudoun and Fairfax counties, and their ear canals collect hair and wax that compound the moisture problem. Doodle coats mat behind the ears for the same reason infections develop there — restricted airflow.
  • Shar-Peis and Bulldogs — Narrow ear canals and skin folds create additional moisture traps.

If your dog has upright ears (German Shepherds, Huskies, Corgis), they're not immune — but they get better natural airflow and are less prone to trapped-moisture infections.

Five Signs Your Dog May Have an Ear Infection

Most owners miss the early signs because they develop under the ear flap where you can't see them. Here's what to watch for:

1. Head shaking or tilting — Occasional shaking after a swim is normal. Persistent shaking throughout the day is not.

2. Scratching at one ear — If your dog keeps pawing at the same ear, something is irritating it. Don't assume it's a bug.

3. Redness inside the ear flap — Lift the flap and look. Healthy ear skin is pale pink. Angry red is a warning sign.

4. Discharge or odor — A healthy ear has minimal wax and no smell. Brown discharge, yellowish buildup, or a yeasty, sour odor means something is growing in there. Yeast infections smell distinctly bread-like or musty.

5. Sensitivity when you touch the ear — If your dog pulls away or yelps when you lift the ear flap, the canal is likely inflamed and sore.

If you see two or more of these signs, call your vet. Ear infections don't resolve on their own — they get worse, sometimes into the middle ear, which is harder to treat and more painful.

Why Your Groomer's Ear Check Matters

Here's the part most owners don't think about: ear infections develop invisibly. They start with excess moisture and wax buildup that you can't see from the outside. By the time there's visible discharge or a smell, the infection has taken hold.

Your groomer is one of the few people who looks inside your dog's ears regularly — and we mean really looks, not just a glance. During every grooming session, we:

  • Inspect both ear canals under good lighting, checking for redness, discharge, swelling, or debris
  • Clean the visible portion of the canal with vet-approved ear solution, removing wax and debris that contribute to infection
  • Pluck excess hair from the canal opening in breeds that need it (Poodles, Doodles, Schnauzers), improving airflow
  • Flag anything abnormal — if we see early-stage redness or unusual discharge, we tell you immediately so you can get to the vet before it becomes a full infection

This turns a routine grooming session into a health checkpoint. We've caught dozens of ear infections at the early stage — the redness-before-discharge window — when a quick vet visit and a round of drops clears it up in a few days. The alternative is a dog who's been suffering for a week, a vet appointment during an acute infection, and a treatment course that takes longer and costs more.

What You Can Do at Home Between Grooming Visits

You don't need to clean your dog's ears every day, but a weekly check during July and August makes a real difference. Here's a simple routine:

After swimming or bathing: Dry the inside of the ear flap with a towel. Don't push into the canal — just dry what you can see. If your dog is a swimmer, consider a vet-approved ear drying solution after water exposure.

Weekly flap check: Lift both ear flaps and look inside once a week. Compare left to right. If one looks redder or has more wax than the other, that's your early warning.

Don't use cotton swabs. Pushing a swab into the L-bend of the canal can pack debris deeper or damage the eardrum. Use the ear solution your vet or groomer recommends — fill the canal, massage the base of the ear for 30 seconds, and let your dog shake out the rest.

Keep the hair around the ears trimmed. Long hair around the ear base restricts airflow. We handle this during grooming, but if your dog is between appointments and the hair is growing in, a careful trim helps.

The Bottom Line for July

Northern Virginia's humidity is not letting up until September. Your dog's ears are under pressure right now, whether you can see it or not. The combination of moisture, warmth, and a floppy ear that traps both is the textbook recipe for a summer ear infection.

A grooming session this month isn't just about the coat — it's about having a trained pair of eyes check the one area where infections develop invisibly. If you've got a Cocker in Fairfax, a Doodle in Ashburn, or a Lab who swims in Reston, this is the time to book.

Book your appointment → mobiledog.com/appointment

MobileDog serves Sterling, McLean, South Riding, Vienna, Herndon, Centreville, Fairfax, Great Falls, Chantilly, Oakton, Reston, Ashburn, Leesburg, and Tysons. We come to you — full grooming in your driveway.


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