Breed Guide

Labrador Ear Infections: Why Labs Are So Prone

By Emiel Maddens · Reviewed in consultation with licensed veterinary professionals · Updated June 2026 · 13 min read

Labrador Retriever having ears examined by a veterinarian

Key Takeaways

Labrador Retrievers are consistently among the top breeds for ear infection prevalence, with their combination of floppy ears, water enthusiasm, and genetic allergy predisposition creating a triple risk factor.
Labs were bred as water retrievers, and their frequent swimming is the single biggest acute trigger for ear infections in this breed.
Despite having shorter ear flaps than Cocker Spaniels or Basset Hounds, Labs' ears still trap enough moisture to create conditions favorable for yeast and bacterial overgrowth.
Environmental allergies (atopic dermatitis) affect an estimated 30 to 40% of Labradors, making allergy-driven ear infections the primary chronic concern for the breed.
A combination of post-swim ear drying, regular cleaning, and allergy management can dramatically reduce ear infection frequency in Labs.

The Labrador Retriever has held the title of America's most popular dog breed for decades, and for good reason. Labs are friendly, intelligent, loyal, and endlessly enthusiastic about life, especially anything involving water. But that water-loving nature, combined with their ear anatomy and genetic health profile, places Labs squarely among the breeds most susceptible to ear infections. If you own a Lab, there is a strong chance you have already dealt with at least one ear infection, and understanding why the breed is so vulnerable is the key to preventing the next one.

This guide examines the specific risk factors that make Labrador Retrievers prone to ear infections, provides a tailored prevention protocol designed around the breed's lifestyle and anatomy, and outlines the most effective treatment approaches when infections do occur. Whether you have a field Lab that spends every weekend at the lake or a house Lab that only encounters water during bath time, this information will help you keep your Labrador's ears healthy throughout their life.

The Three Risk Factors That Make Labs Vulnerable

Risk factor 1: water exposure and moisture trapping

Labrador Retrievers were originally bred in Newfoundland to help fishermen retrieve nets and catch from cold Atlantic waters. This heritage gave them their characteristic water-repellent double coat, webbed paws, and an instinctive love of swimming that persists in virtually every Lab today. While their double coat does an excellent job of repelling water from the body, it does nothing to protect the ear canal. When a Lab submerges or splashes, water enters the ear canal and becomes trapped beneath the ear flap, creating the warm, moist conditions that both Malassezia yeast and bacteria need to proliferate. A study in the Journal of Small Animal Practice found that the risk of otitis externa increases significantly in dogs with regular water exposure, with onset typically occurring 24 to 72 hours after the ears get wet. For detailed prevention strategies around water exposure, see our guide on dog ear infections after swimming.

Risk factor 2: floppy ear anatomy

Labs have moderately sized, pendant (hanging) ears that fold forward and cover the ear canal opening. While Lab ears are not as long or heavy as those of Cocker Spaniels or Basset Hounds, they still significantly reduce airflow to the ear canal compared to breeds with erect ears. This reduced ventilation slows the evaporation of moisture from the ear canal and traps microbial metabolic byproducts (the volatile organic compounds that produce that Frito-like smell), allowing yeast and bacterial populations to build. For a detailed comparison of how ear shape influences infection risk, see our article on floppy ears vs. erect ears and infection risk.

Risk factor 3: genetic predisposition to allergies

An estimated 30 to 40% of Labrador Retrievers develop atopic dermatitis (environmental allergies) during their lifetime, placing them well above the general canine population average of approximately 10 to 15%. Allergic inflammation affects the skin lining the ear canal, increasing cerumen production, altering pH, and creating an environment that favors Malassezia overgrowth. For Labs with atopic dermatitis, ear infections are often the most persistent and frustrating manifestation of their allergic disease. Many Lab owners find that their dog keeps getting ear infections because the allergies that drive them have not been adequately addressed.

How Lab Ear Infections Typically Present

Labrador Retrievers develop ear infections that follow patterns common to the breed's specific risk factors.

Yeast infections are the most common type

The moisture-trapping nature of Lab ears combined with allergy-driven inflammation creates ideal conditions for Malassezia yeast overgrowth. Labs with yeast ear infections present with the classic sweet, musty, or corn chip odor (see our guide on ear infection smells), thick brown or dark brown waxy discharge (learn what dark brown discharge means), redness and swelling of the inner ear flap and visible canal, and head shaking and ear scratching. For comprehensive treatment of yeast ear infections, see our yeast ear infection treatment guide.

Mixed yeast and bacterial infections are common after swimming

When Labs swim in lakes, ponds, or rivers, the water that enters the ear canal may contain environmental bacteria that would not normally be present in the ear. Combined with the moisture-driven yeast overgrowth, this can result in mixed infections that require treatment addressing both organisms. A product combining antifungal and antimicrobial agents provides the broadest coverage for these mixed presentations.

Seasonal patterns are common in allergy-prone Labs

Labs with environmental allergies often show a clear seasonal pattern to their ear infections. Infections peak during spring and summer when pollen levels are highest and swimming activity increases. Some Labs experience a second peak in fall with ragweed and mold allergens. Recognizing your Lab's seasonal pattern allows you to increase preventive measures during high-risk periods.

Labrador Retriever getting ears dried after swimming

The Labrador Ear Prevention Protocol

Post-water ear care: the essential Lab routine

This is the single most impactful preventive measure for Labrador Retrievers. After every swim, bath, or exposure to rain, implement this protocol immediately: Use a soft, absorbent towel to dry the inside of both ear flaps thoroughly. Gently wipe the visible portion of the ear canal. Apply a veterinary-approved ear drying solution to each ear. Massage the base of each ear for 10 to 15 seconds. Allow your Lab to shake their head. Wipe away any expelled fluid with a clean towel. This routine takes approximately 3 minutes and prevents the moisture accumulation that triggers the majority of swimming-related ear infections in Labs. Make it as automatic as drying off with a towel after the swim itself.

Regular cleaning schedule: every 2 to 3 weeks

Labs benefit from routine ear cleaning every 2 to 3 weeks using a gentle, pH-balanced ear cleaner. This removes excess cerumen before it reaches levels that promote microbial overgrowth. During swimming season, you may need to increase this to weekly cleaning. For Labs with allergy-related ear problems, your veterinarian may recommend more frequent cleaning. See our guide on how often to clean your dog's ears for frequency recommendations, and our article on how to give your dog ear drops for proper technique.

Allergy management for the chronically affected Lab

If your Lab has been diagnosed with atopic dermatitis or you suspect allergies based on seasonal patterns of itching and ear infections, work with your veterinarian to implement appropriate allergy management. Options include immunotherapy (allergy shots or sublingual immunotherapy), daily medications like oclacitinib (Apoquel) or injectable lokivetmab (Cytopoint), food elimination trials (Labs have elevated rates of food allergies to common proteins like chicken and beef), and environmental modifications such as frequent bedding washing and air filtration. Controlling the underlying allergic inflammation is the most effective long-term strategy for reducing ear infection frequency in allergy-prone Labs.

Weekly ear inspections

Check your Lab's ears at least once a week by lifting the ear flap and assessing odor, discharge color and amount, redness, and warmth. Labs are generally tolerant of ear handling, which makes inspections easy to incorporate into your routine. During swimming season, check ears more frequently, ideally the day after every swim. Early detection of subtle changes allows early intervention before a full infection develops.

Treat the Infection. Break the Cycle.

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Treatment for Labrador Ear Infections

Clean thoroughly before treating

Remove all discharge and debris with a gentle ear cleaner before applying medication. This ensures the medication reaches the infected tissue. Follow our home treatment protocol for step-by-step instructions.

Choose a dual-action treatment for the best coverage

Because Lab ear infections frequently involve both yeast and bacteria (especially after swimming in natural water sources), a dual-action formula combining ketoconazole (antifungal) with chlorhexidine gluconate (broad-spectrum antiseptic) provides comprehensive coverage. This is particularly important for Labs because the water they swim in may introduce environmental bacteria that compound the yeast overgrowth caused by trapped moisture.

Complete the full treatment course

Treat twice daily for a minimum of 10 to 14 days, even when symptoms improve before that time. Premature discontinuation is one of the leading causes of recurrent infections. Follow the recovery timeline to set realistic expectations.

Restrict swimming during active infection

Keep your Lab out of the water while treating an active ear infection. Swimming washes medication out of the ear canal, introduces additional moisture and potentially new pathogens, and extends the infection duration. Resume swimming only after the infection has fully resolved, and immediately implement the post-swim ear drying protocol.

English Labs vs. American Labs: Ear Infection Differences

There are two general types of Labrador Retriever: the English (bench or show) type, which tends to be stockier with a broader head and thicker ears, and the American (field) type, which tends to be leaner with a narrower head and slightly thinner ears. Both types are susceptible to ear infections, but there are subtle differences.

English Labs may have slightly higher ear infection rates because their thicker, heavier ear flaps trap more moisture and create a warmer, more sealed ear environment. Their stockier build and tendency toward higher body weight can also contribute to warmer skin folds around the ear area.

American (field) Labs are often more active outdoors, including more swimming, which increases their moisture exposure. However, their thinner ear flaps may provide slightly better ventilation. Field Labs may also encounter more environmental allergens due to their greater time outdoors.

Regardless of type, the same prevention principles apply: dry ears after water exposure, clean regularly, manage allergies, and treat infections promptly.

Labs Compared to Other Water-Loving Breeds

Labs are not the only water-loving breed prone to ear infections. Golden Retrievers share nearly identical risk factors but tend to have slightly higher allergy rates and longer ear furnishing that traps more debris. Portuguese Water Dogs have curlier hair in and around the ears that can trap moisture. Standard Poodles have hair inside the ear canal that, combined with swimming, creates significant moisture trapping. Irish Water Spaniels have thick, curly coats that hold water near the ear area.

Among all water-loving breeds, the post-swim ear drying protocol is the single most effective preventive intervention. The specific cleaning frequency and allergy management approach should be tailored to each breed's individual needs.

Frequently Asked Questions

Q: My Labrador swims every day. How can I prevent ear infections without stopping the swimming?

Implement a post-swim ear drying protocol after every single swim. Dry the inner ear flaps with a towel, apply a veterinary-approved ear drying solution, massage the ear base for 10 to 15 seconds, and allow your dog to shake. This 3-minute routine should become as automatic as leashing up before leaving the house. When done consistently, this protocol prevents the vast majority of swimming-related ear infections, even in Labs that swim daily.

Q: Do chocolate Labs get more ear infections than yellow or black Labs?

There is some evidence suggesting that chocolate Labradors may have slightly higher rates of certain health conditions, including skin and ear problems. A large study published in Canine Genetics and Epidemiology in 2018 found that chocolate Labs had significantly higher prevalence of otitis externa compared to other color variants. This may be related to the smaller gene pool used in breeding for the chocolate color. However, all Lab colors are susceptible to ear infections, and the same prevention and treatment protocols apply regardless of coat color.

Q: At what age do Lab ear infections typically start?

Allergy-driven ear infections typically begin between ages 1 and 3, as allergic sensitization develops over time with repeated allergen exposure. Swimming-related ear infections can occur at any age, beginning as soon as the puppy starts swimming. Puppies under 6 months with ear problems should be evaluated for ear mites, which are more common in young dogs than true yeast or bacterial infections. See our guide on puppy ear infections for age-specific information.

Q: Can I use a human hair dryer on my Lab's ears after swimming?

Using a hair dryer on the lowest heat setting at a safe distance can help dry the outer ear area, but it is not effective at reaching moisture deep in the ear canal, which is where infections originate. A combination of towel drying and an ear drying solution that flows into the canal is more effective. Never use a hair dryer on high heat near the ears, as this can cause thermal burns to the sensitive ear skin.

Q: My Lab has had three ear infections this year. Should I worry about permanent damage?

Three infections in a year is a signal that an underlying cause needs to be identified and addressed, most likely allergies. While three infections in one year is unlikely to cause permanent ear canal changes, chronic recurring infections over multiple years can lead to progressive ear canal narrowing, thickening, and ultimately end-stage ear disease. Now is the time to work with your veterinarian on allergy testing, management, and a robust prevention protocol to break the cycle before permanent changes develop.

Sources

McGreevy, P.D. et al., 'Labrador Retrievers Under Primary Veterinary Care in the UK: Demography, Mortality and Disorders,' Canine Genetics and Epidemiology, Vol. 5, 2018.

Saridomichelakis, M.N. et al., 'Aetiology of Canine Otitis Externa,' Veterinary Dermatology, Vol. 18, 2007.

Merck Veterinary Manual, 'Otitis Externa in Dogs and Cats,' Updated 2024.

Favrot, C. et al., 'Clinical Features of Chronic Canine Atopic Dermatitis,' Veterinary Dermatology, Vol. 21, 2010.