5 Signs Your Dog Has a Yeast Ear Infection (And What To Do)

If your dog has been scratching their ears more than usual, shaking their head, or you've noticed a smell that wasn't there before — this article is for you.

Yeast ear infections are one of the most common health issues in dogs. The good news is they're easy to spot once you know what to look for. Here are the 5 signs that point to a yeast infection, not just dirty ears.

1. Constant scratching or pawing at the ear

This is usually the first thing pet parents notice. Your dog scratches their ear once — fine. But when it becomes constant, something's off. Yeast creates inflammation inside the ear canal that causes an intense, persistent itch that doesn't go away on its own.

If your dog is scratching the same ear repeatedly throughout the day, take a closer look inside.

2. Head shaking that won't stop

Dogs shake their head occasionally — that's normal. But if your dog is shaking their head multiple times an hour, especially after waking up or after being outside, it's often their way of trying to relieve the pressure and discomfort of a buildup inside the ear.

3. Dark, waxy buildup inside the ear

Healthy dog ears are light pink and mostly clean. A yeast infection causes dark brown or black waxy buildup to accumulate inside the ear canal. It can look like coffee grounds or dark residue and usually has a distinct smell.

If you fold back your dog's ear and see dark debris — that's a strong indicator of yeast.

4. A smell that comes back even after cleaning

This is the one most pet parents describe as the "tipping point." You clean your dog's ears, it smells better for a day or two, and then the smell comes back. That's because regular cleaning removes the surface buildup but doesn't address the yeast overgrowth causing it.

The smell is typically musty or slightly sweet — different from normal "dog smell."

5. Redness or sensitivity when you touch the ear

If your dog pulls away, whimpers, or shows any sign of discomfort when you touch or examine their ear, that's inflammation. Yeast causes the skin inside the ear canal to become irritated and sometimes swollen. Some dogs that were fine with ear handling suddenly become resistant — that's a sign something's wrong.

What to do if you notice these signs

First — if your dog is in visible pain, has discharge, or symptoms are severe, see your vet. Always.

For routine cases where you're seeing the early signs — scratching, smell, dark buildup — an at-home ear cleaning routine can make a significant difference before it progresses.

EarClean Pro by PetlyPure is a vet-developed ear cleaner formulated specifically for this. It uses malic acid to dissolve waxy buildup, aloe vera and chamomile to soothe irritation, and silver ions for their natural cleansing properties — all in an alcohol-free, pH-balanced formula that's safe for dogs and cats of any age.

Most pet parents notice cleaner, fresher ears within the first week of regular use. It takes under 60 seconds, twice a week.

You can try it risk-free at petlypure.com — every order comes with a 30-day money-back guarantee and free shipping.