Labrador Allergies: Symptoms, Triggers & What Helps

Labs are bred to retrieve from water — swimming is in their DNA. But this love of water creates a unique allergy management challenge.

Environmental allergies cause the ear canal lining to swell. This narrows the canal and creates warm, moist conditions inside. When an allergy-prone Lab swims, water enters an already-compromised ear canal. The combination of allergic inflammation plus trapped moisture creates the ideal environment for yeast and bacterial growth.

The result: many Lab owners deal with a frustrating cycle of swim → ear infection → treatment → swim → ear infection. Breaking this cycle requires treating the underlying allergy, not just the repeated infections.

Labs who swim regularly need their ears dried immediately after every water exposure. A vet-approved ear drying solution after swimming creates a less hospitable environment for infection. But if your Lab gets more than 2-3 ear infections per year, the underlying allergies need direct treatment.

Labrador Retrievers are among the breeds most prone to hot spots (acute moist dermatitis), and allergies are the primary driver.

Hot spots start when an allergic dog scratches or licks an itchy area repeatedly. The skin breaks down, moisture gets trapped against the skin (especially under the Lab's dense double coat), and bacteria colonize the damaged area. The result is a rapidly expanding, painful, oozing lesion that can go from a dime to a dinner plate overnight.

Lab hot spots typically appear on the haunches, under the ears, and along the neck — areas where the thick coat traps moisture. They're most common in summer when humidity is high and pollen counts are elevated.

Prevention is better than treatment: manage allergies to reduce itching, keep the coat clean and dry, and address any small areas of irritation before they become full hot spots. If a hot spot develops, clipping the fur around it to allow air exposure is the first critical step.

Labrador allergy symptoms follow predictable seasonal patterns:

March through May: Tree pollen triggers the first wave of symptoms. Paw licking and scratching begin. Start your daily paw-wipe routine.

May through July: Grass pollen peaks — the worst period for most allergy-prone Labs. Hot spots become common as humidity rises alongside pollen. Ear infection risk increases.

July through August: Swimming season peaks. If your Lab swims regularly, ear infection risk is at its highest when summer allergies combine with water exposure.

September through October: Ragweed peak. A second intense allergy period. Some Labs have more trouble with fall than spring.

November through February: Lower risk. Pollen drops but indoor allergens (dust mites, mold) can maintain symptoms in sensitive Labs. If symptoms persist through winter, investigate indoor triggers.

The pattern matters: symptoms that appear seasonally and resolve in winter point to environmental allergies. Year-round symptoms suggest food allergies, dust mites, or indoor mold.

Effective Lab allergy management addresses both exposure reduction and symptom control:

Ear care protocol: Dry ears after every water exposure (swimming, baths, rain). Use a vet-approved ear cleaner weekly during allergy season. Check ears for redness, odor, or discharge weekly. Don't wait for symptoms — prevention is far cheaper and easier than treating infections.

Daily paw and belly wipes: After every outdoor trip, wipe all four paws and the belly with a damp cloth. This removes the grass pollen that drives most Lab allergic reactions.

Coat management: Brush after walks during pollen season to remove trapped allergens from the dense double coat. Regular baths (every 2-3 weeks during peak season) with an oatmeal-based shampoo help, but don't over-bathe — it strips the coat's natural water-resistant oils.

Hot spot prevention: Keep the coat clean and dry. Address any areas of scratching or licking early. During humid months, check daily for warm, moist areas under the coat — these are pre-hot-spot conditions.

Medication: For moderate to severe allergies, Apoquel or Cytopoint are the most effective options. Many Lab owners find that Cytopoint injections (every 4-8 weeks) provide the most consistent relief. Benadryl can help mild cases but is less effective for chronic allergies.

Diet: Omega-3 fatty acids (fish oil) improve skin barrier function and reduce inflammation. Labs are also prone to food allergies — if environmental allergy treatment doesn't fully resolve symptoms, your vet may recommend a food elimination trial.