Dog Ear Cleaning: How Often, What to Use, and When Not to Clean at All

Dog ear cleaning is a clean-only-when-needed task for most healthy dogs: check the ears regularly, use a dog-specific cleaner on the outer part of the canal when you see ordinary wax or dirt, and skip cotton swabs and hydrogen peroxide. Veterinary sources describe no single schedule that fits every dog, so how often depends on ear shape, swimming habits, allergies and history. If an ear is red, painful, smelly or full of discharge, cleaning is the wrong first move and a veterinary exam comes first.

Answer box
– Healthy ears: Look and sniff regularly. Clean only when you see ordinary wax or dirt. Over-cleaning can irritate the canal, as AKC and Purdue both note.
– Use: A dog-specific cleaner your vet recommends, plus cotton balls or gauze. Follow the product label.
– Avoid: Cotton swabs, hydrogen peroxide, vinegar mixtures, alcohol and pushing anything deep into the canal.
– Stop and call your vet if: the ear is red, swollen, painful, smelly, or discharging, or your dog shakes its head persistently.

To compare cleaner types, see our guide to ear cleaning solution for dogs. Here the question is the decision itself: should you clean at all today, and what to do if the answer is no.

What do the top guides agree on, and what do they leave out?

The pages that currently rank for this keyword (AKC, PetMD, Purdue’s Canine Welfare Science Center, WebMD and several retailer blogs) share a consistent core. They recommend a dog-specific cleaner, cotton balls or gauze, a towel and treats. They warn against cotton swabs and hydrogen peroxide. They tell owners to see a vet for redness, odor, pain or discharge.

Most present a how-to. What is easy to miss is the decision before step one. Several of these guides do mention that you should not clean an ear that looks infected, but it usually sits at the bottom of the page. The Merck Veterinary Manual’s owner version goes further: it does not describe cleaning as a routine default, and says that when a dog gets ear infections often, the veterinarian may ask owners to clean regularly and owners should follow those instructions closely.

That gap is this article’s angle: a decision framework that starts with “is this a cleaning problem or a medical problem?” rather than with the bottle.

Do healthy dogs even need their ears cleaned?

Not on a fixed timetable. AKC states that ears should be cleaned only when needed, not on a set schedule, and that some dogs rarely need cleaning. PetMD likewise says there is no fixed schedule and suggests asking your vet based on breed, lifestyle and health. Purdue’s guidance, as reported on its Canine Welfare Science Center page, says most dogs need cleaning monthly or less, while some need it more often, and that cleaning ears that are not dirty can cause irritation.

Those numbers are what each source reports; they are not a prescription for your dog. Your veterinarian can tell you what suits your dog’s ears. The habit these sources agree on is regular checking rather than regular cleaning.

Which dogs are more likely to need ear care?

Ear shape and carriage matter. In a UK primary-care study of 22,333 dogs (O’Neill et al., 2021), the one-year period prevalence of otitis externa was 7.30%. Breeds with pendulous ears had 1.76 times the odds, and V-shaped drop ears 1.84 times the odds, compared with erect ears. Several individual breeds showed higher odds than crossbreds, including Basset Hounds, Chinese Shar Peis, Labradoodles, Beagles and Golden Retrievers. A few breeds, including Chihuahuas and Border Collies, showed lower odds.

This is observational data from one country’s veterinary practices, so it shows association, not cause. It does support what AKC, PetMD and Purdue all say: long-eared dogs, frequent swimmers and dogs with allergies or past ear problems are the ones where owners most often need to be watchful.

Decision framework: clean, wait, or call the vet?

Use this table as a thinking tool, not a diagnosis. Ear problems share many outward signs, and only an examination can tell them apart.

What you see	Sensible next step	Why
Light wax, no odor, no redness, dog comfortable	Clean gently with a dog-specific cleaner only if visibly dirty, or simply leave it	AKC and Purdue note over-cleaning can irritate
Dirt after swimming, a muddy walk or a bath	Dry the visible outer ear; clean only if debris remains	Moisture and debris are commonly cited triggers
Dark, crumbly or heavy debris, or noticeably more wax than usual	Book a vet visit before cleaning repeatedly	Merck notes dark discharge often indicates yeast or parasites; causes include infection, mites and allergy
Redness, swelling, heat	Do not clean; call your vet	PetMD and Purdue advise against cleaning visibly inflamed ears
Foul or yeasty smell	Do not treat at home with remedies; call your vet	Odor is a listed sign of infection by several sources
Pain, crying or pulling away when the ear is touched	Contact your vet promptly	AKC notes pulling away can mean sore ears; Merck says painful ears often need professional cleaning, sometimes under anesthesia
Dog has an ear problem diagnosed by your vet	Follow your vet’s cleaning plan exactly	Merck notes vets may set the routine and show technique

What should you use, and what should you avoid?

Use:

A cleaner made for dogs and recommended by your vet (AKC, PetMD, Purdue, Merck).
Cotton balls or gauze. Merck specifies real cotton rather than synthetic balls, and notes that a saline eye solution is often suggested by vets.
A towel, and treats if they help your dog stay calm.

Avoid:

Cotton swabs. AKC, PetMD, Purdue and Merck all warn they can push debris deeper or injure the ear.
Hydrogen peroxide, alcohol and essential oils. PetMD says these may irritate the canal, and AKC and Purdue advise against hydrogen peroxide and homemade cleaners.
Vinegar mixtures. Merck says to avoid irritating home remedies such as vinegar mixtures because they can worsen swelling and secretions. If you are tempted by DIY options, read what to use to clean a dog’s ears, home remedies included first so you understand the trade-offs.
Over-the-counter wax removers your vet has not approved. Merck advises against these unless approved.

Why does the eardrum matter?

If the eardrum is damaged, fluid or cleaner can reach the middle ear. A veterinary review of otitis media in dogs and cats (Gotthelf, 2004) states that if the integrity of the eardrum cannot be determined, middle ear disease should be assumed, and it is prudent to avoid potentially ototoxic ear cleaners or topical medications in suspected otitis media. In other words, a bottle that is fine for a healthy ear may not be suitable for an ear with a painful or compromised canal, and eardrum status is something a vet has to assess. That is one practical reason the “do not clean visibly inflamed ears” rule appears across so many sources.

A different veterinary review (Paterson, 2016) notes that appropriate selection among the many ear drops and cleaners can be difficult, and that all cases of otitis externa should be investigated for primary and secondary causes. Cleaner choice is therefore a vet-guided decision when an ear is diseased.

How do you clean a healthy dog’s ears step by step?

If your dog’s ears look normal and just have light wax or dirt, the steps below summarize what AKC, PetMD, Purdue and WebMD describe. Always follow your cleaner’s label and your vet’s advice.

Gather supplies. Dog-specific cleaner, cotton balls or gauze, a towel, treats. Choose a spot where splashing and head shaking will not matter.
Settle your dog. Calm handling and treats help. Purdue advises stopping if your dog freezes, tries to escape or seems stressed, and asking your vet for help.
Lift the ear flap and apply the cleaner as the label directs. WebMD advises not inserting the bottle tip into the ear, and AKC says the applicator tip should not touch the ear.
Massage the base of the ear. Gentle massage at the base of the ear helps loosen debris, according to WebMD.
Let your dog shake. This brings loosened material and fluid to the surface.
Wipe the visible part. Use cotton or gauze only on what you can see. Purdue says not to insert the cotton ball or gauze into the ear canal.
Reward your dog.

If you prefer pre-moistened options for quick touch-ups, our page on ear wipes for dogs explains where wipes fit and where they do not.

When is cleaning the wrong move?

PetMD says not to clean at home if a dog has a damaged eardrum, an inflamed or painful ear canal, ear trauma or an active infection, and that a vet should handle those cases. Purdue says regular cleaner will not treat an infection and may increase inflammation. Merck says that treatment of otitis externa addresses underlying causes and pain, that vets usually clean and dry the ear first, and that painful ears may need anesthesia for this.

Research on professionally directed cleaning shows why this is a clinical task. In a study of 40 ear canals with erythemato-ceruminous otitis externa and mild or moderate secondary infection, a ceruminolytic cleaner was used on a schedule based on secretion score, and clinical scores improved over two weeks (Moog et al., 2022). The study was open-label (no control group), was partly connected to the manufacturer, and involved dogs that had been examined and scored by veterinarians. It does not show that an owner can manage a suspected infection with a cleaner alone.

Myth versus fact

Myth	What sources say
“More cleaning means healthier ears.”	AKC and Purdue say over-cleaning can irritate the ear. Regular checking is the consistent advice.
“Hydrogen peroxide or vinegar is a safe, natural cleaner.”	AKC, PetMD and Purdue advise against hydrogen peroxide; Merck advises against vinegar mixtures.
“A smelly ear just needs a good flush.”	Odor is a listed sign of infection; Purdue says standard cleaner will not treat an infection.
“Cotton swabs get the wax out properly.”	AKC, PetMD, Purdue and Merck warn swabs can push debris deeper or cause injury.
“If it looks clean, the ear is healthy.”	Merck lists head shaking, itch and pain among signs of otitis externa; visible debris is just one clue.

When should you call your vet?

Contact your veterinarian promptly if you notice any of the following (most appear in Merck, AKC, PetMD or Purdue guidance):

Redness, swelling or heat in the ear.
A foul or yeasty smell.
Excessive, dark or unusual discharge, or a sudden increase in wax.
Persistent head shaking or scratching at the ear.
Pain, whining, or pulling away when the ear is touched.
A head tilt or loss of balance. The guides cited here do not describe these signs, but they are a sensible reason to call a vet promptly.
An ear that keeps returning to the same problem after cleaning. Merck notes that unless every cause is treated, otitis externa often returns.

If the symptoms involve yeast, our guide to dog ear yeast infection covers the signs owners commonly describe. Evidence on any home approach to a suspected infection remains limited, and the Merck Veterinary Manual advises that treatment continue until the infection has fully cleared under veterinary direction. Our page on home remedies for dog ear infection explains why we treat those with caution.

Common mistakes to avoid

Cleaning an ear that is already inflamed. It can worsen irritation and hide signs your vet needs to see.
Treating the symptom, not the cause. Allergies, parasites and foreign material are among the causes Merck lists; a cleaner addresses none of them.

Frequently asked questions

How often should I clean my dog’s ears?

There is no universal schedule. AKC and PetMD both say to clean when needed and to ask your vet, while Purdue reports that most dogs need cleaning monthly or less and some more often. Check the ears regularly and clean only when you see ordinary wax or dirt. Your veterinarian can advise based on your dog’s breed, coat and history.

Is it normal for dogs to have some ear wax?

Yes. AKC and PetMD treat a small amount of light wax as normal. A sudden increase, a change in color, or wax with odor, redness or discomfort is a reason to call your vet rather than keep cleaning.

Can I use hydrogen peroxide, vinegar or alcohol to clean my dog’s ears?

Veterinary sources advise against them. AKC, PetMD and Purdue warn against hydrogen peroxide, PetMD adds alcohol and essential oils, and Merck says vinegar mixtures can worsen swelling and secretions. Use a dog-specific cleaner your vet recommends.

Can I clean my dog’s ears after swimming?

AKC lists swimmers as dogs that may need more frequent attention, and Merck says to keep water out of the ears during baths and to use drying agents only as the vet recommends. After swimming, dry the visible outer ear, and ask your vet about a cleaner suited to your dog.

Should I clean my dog’s ears if they smell bad?

No. A bad or yeasty smell is a listed sign of infection, and Purdue states regular cleaner will not treat an infection and may increase inflammation. Call your vet and avoid home remedies until the ear has been examined.

What if my dog hates having its ears cleaned?

Stop if your dog freezes, tries to escape or seems stressed, as Purdue advises. Pain is a common reason dogs resist, so a vet exam is sensible before pushing on. Your vet can also demonstrate technique and suggest ways to make handling easier.

References

Merck Veterinary Manual, Pet Owner Version. “Ear Infections and Otitis Externa in Dogs.” Merck & Co., Inc. https://www.merckvetmanual.com/dog-owners/ear-disorders-of-dogs/ear-infections-and-otitis-externa-in-dogs
O’Neill DG, Volk AV, Soares T, Church DB, Brodbelt DC, Pegram C. “Frequency and predisposing factors for canine otitis externa in the UK – a primary veterinary care epidemiological view.” Canine Medicine and Genetics. 2021;8(1):7. DOI: 10.1186/s40575-021-00106-1. PMID: 34488894. https://pubmed.ncbi.nlm.nih.gov/34488894/
Gotthelf LN. “Diagnosis and treatment of otitis media in dogs and cats.” Veterinary Clinics of North America: Small Animal Practice. 2004;34(2):469-487. DOI: 10.1016/j.cvsm.2003.10.007. PMID: 15062620. https://pubmed.ncbi.nlm.nih.gov/15062620/
Paterson S. “Topical ear treatment – options, indications and limitations of current therapy.” Journal of Small Animal Practice. 2016;57(12):668-678. DOI: 10.1111/jsap.12583. PMID: 27747880. https://pubmed.ncbi.nlm.nih.gov/27747880/
Moog F, Mivielle J, Brun J, et al. “Clinical and Microbiological Performances and Effects on Lipid and Cytokine Production of a Ceruminolytic Ear Cleaner in Canine Erythemato-Ceruminous Otitis Externa.” Veterinary Sciences. 2022;9(4):185. DOI: 10.3390/vetsci9040185. PMID: 35448682. https://pubmed.ncbi.nlm.nih.gov/35448682/
Purdue University Canine Welfare Science Center. “Ear Cleaning for Dogs.” https://caninewelfare.centers.purdue.edu/resource/ear-cleaning-for-dogs/
American Kennel Club. “How to Clean Your Dog’s Ears.” https://www.akc.org/expert-advice/health/how-to-clean-dogs-ears/ ; PetMD, “How To Clean Your Dog’s Ears: Step-by-Step Guide for Pet Parents.” https://www.petmd.com/dog/general-health/how-clean-dogs-ears ; WebMD, “How to Clean Dog Ears.” https://www.webmd.com/pets/dogs/how-to-clean-dog-ears

Veterinary disclaimer

This article is for general education and is not veterinary advice, a diagnosis, or a treatment plan. Ear problems in dogs can look alike and may involve infection, parasites, allergies or deeper ear structures. Always consult your veterinarian before cleaning an ear that looks or smells abnormal, and follow their instructions and your product’s label.