How often should ears be cleaned?

There is no single frequency that fits every animal. In a healthy pet a weekly visual check is enough, and cleaning happens when you see excess material or after a bath. In animals with drop ears or recurrent otitis the frequency is set by the vet, because there cleaning is part of the treatment plan rather than grooming.

Can I use water and vinegar as a cleaner?

It is a common home remedy but an uncontrolled one: it leaves moisture in the canal, has a variable pH and stings on already damaged skin. Veterinary ear products are formulated to evaporate and not to attack the lining. If cost is the issue, ask your vet for a basic product: it is inexpensive and still safer than an improvised mixture.

My dog shakes his head for several minutes after cleaning: is that normal?

Vigorous shaking right after the canal is filled is expected and useful. If shaking carries on long after the session, or if whining, a head tilt or persistent scratching appear, the cleaning probably met an ear that was already inflamed: stop and book a visit.

My cat has dark crusts in its ears: should I clean them?

Dark gritty material in a cat, particularly a young one or one from a colony, is consistent with a parasitic infestation of the canal that spreads easily to other animals in the house. Cleaning alone does not solve it: it needs a diagnosis and a specific treatment, extended to all the animals in the household as your vet directs.

Should I clean the ears before applying prescribed drops?

Usually yes, because a canal full of discharge reduces contact between the drug and the wall. The order and the interval come from your vet, though: some protocols involve cleaning at the clinic at the start of treatment and only medication at home afterwards. Follow the written plan rather than habit.

Grooming and hygiene10 minLevel: BeginnerUpdated on July 31, 2026

Cleaning your dog's or cat's ears safely

When ears need cleaning and when they must be left alone, the correct seven step routine, and the signs that call for a veterinary visit.

Audience: Pet owners
Species: Dog, Cat
Scope: Valid everywhere

What you need before you start

Un detergente auricolare veterinario, indicato dal veterinario e con il beccuccio integro
Garze pulite oppure dischetti di cotone, mai bastoncini con la punta di cotone
Un asciugamano per proteggere te e il pavimento dallo scuotimento della testa
Premi molto appetibili e, se l'animale è diffidente, una seconda persona che lo tenga tranquillo

A dog's or cat's ear is not a straight tube: it is an L shaped canal with a vertical and a horizontal section, with the eardrum at the far end. That shape has two consequences that dictate the whole procedure. The first is that anything pushed inside drives material deeper rather than removing it. The second is that liquid poured into the canal reaches where fingers cannot, provided it is then brought back up by massage and head shaking. Hence the correct method, which never changes: fill, massage, let the animal shake, wipe only the visible part. Above all, learn to tell routine maintenance from a painful ear, where home cleaning is not only useless but can make matters worse.

When to clean and when to leave well alone

A healthy ear largely cleans itself, through a migration mechanism that carries wax outwards. Cleaning too often irritates the lining, disturbs the balance of the canal and can encourage exactly the inflammation you were trying to prevent. Routine cleaning makes sense in predisposed animals and after specific situations, not as a daily habit.

Profile, indicative frequency and reason
Profile	Indicative frequency	Reason
Dog with erect ears and no history of problems	Weekly visual check only	The canal is ventilated and self cleaning
Dog with drop ears	Weekly check, clean when needed	Less ventilation and more moisture
Dog that swims or is bathed often	Dry the ears after every bath	Trapped water encourages otitis
Animal with recurrent otitis	As set out by the vet	Frequency is part of the treatment plan
Healthy adult cat	Visual check, cleaning rarely	Routine cleaning is seldom needed in cats
Ear that is painful, red or smelly	No home cleaning at all	A diagnosis has to come first

Why nothing gets pushed into the canal

The ear canal runs downwards and then bends inwards horizontally. A cotton bud only reaches the bend, and on the way it packs wax into the horizontal section, where nobody can remove it except by flushing under clinical conditions. On top of that the cotton tip can detach and stay inside, and the rigid stem can injure the lining or reach the eardrum if the animal shakes its head at the wrong moment.

Liquid cleaner reaches the horizontal section without you inserting anything.
Massaging the base of the ear lifts material off the walls: that is the step that does the actual work.
Head shaking is the mechanism that brings debris up and should be encouraged, not prevented.
Gauze wrapped around a finger cleans only the pinna and the entrance, which is what you can see.
Your finger with gauze never gets past the bend of the canal: that is an anatomical limit, not caution.

The seven step procedure

Set everything out and warm the bottle in your hand
Gauze, cleaner, towel and treats go out first. Hold the closed bottle in your hand for a minute: cold liquid in the canal is unpleasant and in some animals causes a moment of dizziness.
Put the animal in a stable position
Work in a room that is easy to clean, with the animal sitting against you or against a wall so it cannot back away. Lift the ear flap gently with your non dominant hand to line up the vertical canal.
Fill the canal without the nozzle touching it
Rest the nozzle at the entrance without inserting it and pour until the canal is full, using the amount stated on the pack. The nozzle must never touch the ear, otherwise the bottle becomes contaminated and carries bacteria from one ear to the other.
Massage the base for twenty to thirty seconds
With thumb and index finger massage the cartilage at the base of the ear, the part you can feel under your fingers. You should hear liquid moving: that sound means the product is reaching the horizontal section and lifting material off the walls.
Let the animal shake its head
Step back and let the head shake freely: this is what brings loosened material back to the surface. Hold the towel in front of you, because what comes out goes everywhere.
Wipe only the visible part
Wrap gauze around your index finger and clean the ear flap and the entrance, following the folds of cartilage. Stop where your finger stops on its own: nothing goes further, under any circumstances.
Reward and repeat on the other ear with fresh gauze
Give the treat straight away, then repeat on the other ear with clean gauze. Using the same gauze on both ears moves material and micro organisms from one side to the other and defeats the purpose.

Signs that need a vet

Sign, possible meaning and action
Sign	Possible meaning	Action
Strong unpleasant smell	Bacterial or yeast infection	Appointment, with the ear not cleaned beforehand
Dark gritty discharge, often in young animals	Possible parasitic infestation of the canal	Appointment: the material has to be examined under a microscope
Yellowish or purulent discharge	Active otitis	Same day appointment
Head tilted to one side or loss of balance	Deeper or vestibular involvement	Urgent, no home handling at all
Swollen tense ear flap	Blood collecting inside the cartilage	Appointment: a known complication of head shaking
Pain on the lightest touch	Advanced inflammation	No cleaning, book a visit
Constant scratching with claw wounds	Intense itch, often allergic	Appointment, with a collar or protection meanwhile

One useful detail: if you think you are heading to the vet, do not clean the ear in the hours beforehand. The material in the canal is the sample the cytology relies on, and a freshly flushed canal can make that examination hard to read and delay the diagnosis.

Common mistakes and what to do instead

Mistake, effect and correct alternative
Mistake	Effect	Alternative
Cotton buds	They pack material into the deep section	Liquid cleaner and gauze on a finger
Alcohol or hydrogen peroxide	They irritate the lining and sting broken skin	Veterinary ear products only
Home mixes of water and vinegar	Residual moisture and uncontrolled pH	A product formulated for the ear canal
Olive oil or oily products	They stay in the canal and trap debris	A cleaner that evaporates and leaves no residue
Nozzle inserted into the canal	Injury and contamination of the bottle	Nozzle rested at the entrance, no contact
Daily cleaning out of habit	Irritation and disturbance of the local balance	Weekly check, cleaning when it is needed
Preventing head shaking	The material stays inside	Let the head shake and protect yourself with a towel

After a bath, after swimming and in summer

Moisture trapped in the canal is one of the factors that encourage otitis, and in animals with drop ears the canal stays damp for a long time. Prevention is therefore mostly about drying and regular checks rather than frequent washing.

After a bath, dry the ear flap and the entrance with gauze, without pushing anything deeper.
After swimming in fresh water, check and dry: many seasonal ear infections start exactly there.
For dogs that swim often, ask your vet whether a drying product is appropriate as a routine.
In summer check for grass seeds after every walk in fields: in the canal they cause sudden pain and violent shaking, and they have to be removed at the clinic.
Do not pluck hair from the canal on your own initiative: in some animals plucking irritates and makes things worse, so it should be agreed with the vet or the groomer following the case.
Record every episode of otitis with its date: seasonal recurrence is diagnostic information that often leads to investigating an allergy.

Frequently asked questions

How often should ears be cleaned?: There is no single frequency that fits every animal. In a healthy pet a weekly visual check is enough, and cleaning happens when you see excess material or after a bath. In animals with drop ears or recurrent otitis the frequency is set by the vet, because there cleaning is part of the treatment plan rather than grooming.
Can I use water and vinegar as a cleaner?: It is a common home remedy but an uncontrolled one: it leaves moisture in the canal, has a variable pH and stings on already damaged skin. Veterinary ear products are formulated to evaporate and not to attack the lining. If cost is the issue, ask your vet for a basic product: it is inexpensive and still safer than an improvised mixture.
My dog shakes his head for several minutes after cleaning: is that normal?: Vigorous shaking right after the canal is filled is expected and useful. If shaking carries on long after the session, or if whining, a head tilt or persistent scratching appear, the cleaning probably met an ear that was already inflamed: stop and book a visit.
My cat has dark crusts in its ears: should I clean them?: Dark gritty material in a cat, particularly a young one or one from a colony, is consistent with a parasitic infestation of the canal that spreads easily to other animals in the house. Cleaning alone does not solve it: it needs a diagnosis and a specific treatment, extended to all the animals in the household as your vet directs.
Should I clean the ears before applying prescribed drops?: Usually yes, because a canal full of discharge reduces contact between the drug and the wall. The order and the interval come from your vet, though: some protocols involve cleaning at the clinic at the start of treatment and only medication at home afterwards. Follow the written plan rather than habit.

What to do next

Look before you touch: if the ear is painful, smelly or full of discharge, home cleaning stops and an appointment is booked, with no washing in the hours beforehand. Otherwise fill the canal with a veterinary cleaner without inserting the nozzle, massage the base for twenty to thirty seconds, let the head shake and wipe only the visible part, using fresh gauze for each ear.