Table of Contents
I. Introduction
Your dog is scratching more than usual, rubbing their face against the couch, or licking their paws obsessively—sound familiar? Seasonal allergies in dogs are more common than many pet owners realize, and they can turn a fun day outdoors into a cycle of itching, irritation, and discomfort.
Unlike humans, who typically react to seasonal allergens with sneezing and watery eyes, dogs experience allergies primarily through their skin and paws. Pollen, mold spores, and dust mites can trigger an immune response, leading to persistent itching, redness, and even infections.
If your dog is exhibiting unusual grooming habits or skin irritation, it might not just be an occasional itch—it could be a sign of seasonal allergies. Understanding these symptoms is the first step in helping your dog stay comfortable and allergy-free.
In this article, we’ll break down the 10 most common signs of seasonal allergies in dogs, what causes them, and when it’s time to seek veterinary care.
II. What Causes Seasonal Allergies in Dogs?
Dogs don’t experience hay fever in the same way humans do. Instead of sneezing and congestion, seasonal allergies primarily manifest through skin irritation, itching, and ear issues. But why does this happen?
Common Environmental Triggers
The primary culprits behind seasonal allergies in dogs are airborne allergens, including:
✅ Pollen – From trees, grasses, and weeds, especially during spring and fall.
✅ Mold Spores – Found in damp environments, leaves, and even inside homes.
✅ Dust Mites – Microscopic allergens hiding in carpets, bedding, and upholstery.
How Dogs React to Allergens
Unlike humans, who inhale allergens and experience respiratory symptoms, dogs are more likely to absorb allergens through their skin and paws. This leads to intense itching, skin inflammation, and excessive licking or chewing.
Some dogs may have a genetic predisposition to allergies, meaning certain breeds—such as Labrador Retrievers, Golden Retrievers, Bulldogs, and Terriers—are more prone to developing seasonal allergies.
If left untreated, seasonal allergies can progress to secondary infections, hair loss, and chronic skin issues. That’s why early recognition of symptoms is crucial.
III. 10 Common Signs of Seasonal Allergies in Dogs
Seasonal allergies in dogs can manifest in a variety of ways, but the most telling signs often involve itching, skin irritation, and behavioral changes. If your dog exhibits any of the following symptoms—especially during certain times of the year—it could be due to environmental allergens like pollen, dust mites, or mold.
Let’s break down the 10 most common signs of seasonal allergies in dogs and what they mean.
1. Excessive Scratching and Itching
The most obvious sign of seasonal allergies? Nonstop scratching. Dogs suffering from allergies will frequently scratch their paws, face, ears, underbelly, and armpits.
🔹 Why it happens: Allergens cause the immune system to release histamines, leading to intense itching.
🔹 What to watch for: Persistent scratching that leads to raw or inflamed skin, often worsening at night or after outdoor exposure.
2. Licking and Chewing
Dogs with allergies don’t just scratch—they also lick and chew their paws, legs, and other body parts to relieve discomfort. This can quickly become obsessive, leading to sores, redness, and even infections.
🔹 Common areas affected: Paws (between the toes), legs, and belly.
🔹 When to worry: If you notice red stains on the fur (from saliva) or excessive licking that interrupts sleep or daily activities.

3. Skin Redness and Inflammation
When dogs scratch and lick too much, their skin can become red, swollen, and inflamed. This is a hallmark sign of an allergic reaction.
🔹 Look for:
- Rashes or hives on the belly, groin, armpits, or paws.
- Sensitive or hot-to-the-touch skin such as hotspot areas.
4. Recurring Ear Infections
Ear infections are a common but often overlooked symptom of seasonal allergies. Allergic reactions can cause inflammation in the ear canal, leading to itchiness, wax buildup, and secondary bacterial or yeast infections.
🔹 Warning signs:
- Frequent head shaking or pawing at the ears.
- Red, swollen ear canals with a bad odor.
- Yellow or brown discharge.

5. Eye Irritation (Red, Watery, or Discharge)
Just like humans, dogs can develop red, watery, or itchy eyes from seasonal allergies. Some may also have eye discharge or frequent squinting.
🔹 Common triggers: Pollen, dust, or mold exposure.
🔹 When to act: If the discharge is thick, yellow, or green, it could indicate an infection that requires vet attention.
6. Sneezing and Nasal Discharge
Though less common than in humans, some dogs do develop mild respiratory symptoms, including sneezing or a runny nose.
🔹 Mild cases: Clear nasal discharge and occasional sneezing.
🔹 When to be concerned: If the discharge turns thick or discolored, it could signal an infection or another underlying issue.
7. Hair Loss (Bald Spots or Thinning Fur)
Persistent scratching and licking can lead to hair loss, particularly in frequently affected areas like the paws, belly, and legs.
🔹 Mild cases: Slight thinning of fur in areas where the dog itches the most.
🔹 Severe cases: Bald patches or broken skin, increasing the risk of infections.

8. Skin Changes (Thickening, Darkening, or Crust Formation)
Over time, chronic scratching and inflammation can cause the skin to thicken, darken, or develop crusts—a condition known as lichenification.
🔹 Key signs:
- Thick, rough, or leathery skin in frequently scratched areas.
- Darkened pigmentation on the belly or paws.
9. Paw Licking and Chewing (Red, Inflamed Paws)
Dogs with seasonal allergies obsessively lick and chew their paws, often focusing on the spaces between their toes. This can lead to redness, swelling, and secondary yeast infections.
🔹 What to check:
- Red, irritated skin between the toes.
- A strong “corn chip” smell, which may indicate a yeast infection.
10. Face Rubbing (Against Furniture or Carpet)
Dogs experiencing facial itchiness due to allergies may frequently rub their face against furniture, rugs, or walls in an attempt to relieve discomfort.
🔹 When to be concerned:
- If the skin around the eyes, muzzle, or ears becomes raw or irritated.
- If your dog seems to be rubbing obsessively throughout the day.
What’s Next?
If your dog is showing any of these signs, especially in specific seasons, seasonal allergies could be to blame. However, some symptoms may overlap with other conditions like food allergies, bacterial infections, or skin diseases, so getting a proper diagnosis from a veterinarian is essential.
In the next section, we’ll explore when to seek veterinary care and the best treatment options for managing seasonal allergies in dogs. Stay tuned!
IV. When to See a Veterinarian
While mild seasonal allergies can sometimes be managed at home, persistent or worsening symptoms require veterinary attention. If left untreated, allergies can lead to secondary infections, chronic skin issues, and overall discomfort that affects your dog’s quality of life.
When Should You Be Concerned?
👉 Excessive or persistent symptoms: If your dog is constantly licking, scratching, or rubbing their face to the point of hair loss or open sores.
👉 Recurring ear infections: If your dog has frequent head shaking, ear scratching, or a strong odor coming from their ears, this may indicate an underlying issue that needs medical treatment.
👉 Skin infections or sores: If your dog’s skin appears red, swollen, oozing, or crusted, secondary bacterial or yeast infections could be present.
👉 Paw infections or severe inflammation: If your dog’s paws are swollen, red, or emitting a strong smell, they may have an infection from excessive licking and chewing.
👉 Respiratory issues: While rare, if your dog is experiencing difficulty breathing, wheezing, or severe nasal discharge, it could be a sign of something more serious than just allergies.

How Seasonal Allergies Are Diagnosed
Since many skin conditions mimic seasonal allergies, your veterinarian will perform a thorough examination to rule out other possibilities.
🔹 Physical exam: The vet will check for signs of inflammation, redness, and infections.
🔹 Skin tests or allergy testing: Some dogs may benefit from skin prick tests or blood tests to identify specific allergens.
🔹 Dietary trial (if needed): Food allergies can cause similar symptoms, so a hypoallergenic diet may be tested to rule out food-related reactions.
🔹 Skin scrapings or cytology: If infections are present, the vet may analyze skin samples to determine whether bacteria or yeast overgrowth is contributing to the symptoms.
V. Treatment and Management Options
Once a diagnosis is confirmed, your vet will recommend a customized treatment plan based on the severity of your dog’s allergies. Treatment typically includes a combination of medications, lifestyle adjustments, and topical therapies to provide relief.
1. Medications for Allergy Relief
💊 Antihistamines (e.g., Benadryl, Zyrtec, or Claritin) – May help mild cases, but not always effective.
💉 Cytopoint Injections – A newer, targeted therapy that blocks the itch signals triggered by allergies.
💊 Apoquel – A fast-acting oral medication that controls itching and inflammation.
💊 Steroids (Corticosteroids) – Used for severe cases but should be a short-term solution due to side effects.
2. Topical Treatments for Skin & Paw Relief
🛁 Medicated Shampoos & Wipes – Help remove allergens from the skin and soothe irritation.
🦶 Paw Soaks or Wipes – Reduce allergen buildup on paws after walks.
🌿 Hydrocortisone Creams or Sprays – Provide targeted itch relief for red, inflamed areas.

3. Environmental Adjustments
🏡 Use an Air Purifier – Helps reduce indoor allergens like dust and pollen.
🧹 Frequent Cleaning – Vacuum carpets, wash bedding, and clean surfaces to minimize allergen buildup.
🚫 Limit Outdoor Exposure During Peak Allergy Seasons – Keep windows closed and walk your dog in the early morning or late evening when pollen counts are lower.
4. Dietary Support & Supplements
🥩 Hypoallergenic Diets – Some dogs benefit from switching to an allergy-friendly diet.
🐟 Omega-3 Fatty Acids – Support skin health and reduce inflammation.
🦠 Probiotics – Strengthen gut health, which may help regulate immune responses.
VI. Conclusion
Seasonal allergies in dogs are a common but manageable condition. Recognizing the early signs—like excessive scratching, licking, ear infections, and skin irritation—can help prevent long-term discomfort and complications.
If you suspect your dog has seasonal allergies, don’t wait until symptoms escalate. A visit to the vet can provide clarity and a tailored treatment plan to keep your pup comfortable year-round.
With the right combination of medications, environmental adjustments, and proper skincare, your furry friend can enjoy every season—without the itch!
VII. Frequently Asked Questions (FAQ) About Seasonal Allergies in Dogs
1. How do I know if my dog has seasonal allergies or food allergies?
👉 Seasonal allergies are triggered by environmental factors like pollen, dust mites, and mold, whereas food allergies stem from specific ingredients in your dog’s diet.
🔹 Key difference: Seasonal allergies worsen during certain times of the year, while food allergies cause year-round symptoms and often include digestive issues like vomiting or diarrhea.
2. Can I give my dog Benadryl for seasonal allergies?
👉 Yes, Benadryl (diphenhydramine) can help mild cases of itching, but it doesn’t work for all dogs.
🔹 Dosage: The typical dose is 1 mg per pound of body weight, given every 8–12 hours.
⚠️ Caution: Always check with your vet before giving any medication, especially if your dog has other health conditions.
3. Do seasonal allergies in dogs go away on their own?
👉 No, seasonal allergies don’t disappear—they can improve or worsen depending on the pollen count and exposure. Long-term management is key to keeping your dog comfortable.
4. Can I prevent seasonal allergies in my dog?
👉 While you can’t eliminate allergies, you can minimize exposure to allergens:
✔️ Wipe your dog’s paws and coat after outdoor walks.
✔️ Bathe them with a hypoallergenic or medicated shampoo.
✔️ Keep your home clean with air purifiers and frequent vacuuming.
5. What are the best natural remedies for seasonal allergies in dogs?
👉 Some pet owners find relief with natural options like:
🌿 Oatmeal baths – Soothe itchy skin.
🐟 Omega-3 fatty acids – Reduce inflammation and improve skin health.
🦠 Probiotics – Support immune system balance.
6. Are certain dog breeds more prone to seasonal allergies?
👉 Yes! Some breeds are genetically more susceptible, including:
🐶 Labrador Retrievers
🐶 Golden Retrievers
🐶 Bulldogs
🐶 Terriers (West Highland White, Scottish, etc.)
🐶 Pugs & French Bulldogs
7. How long do seasonal allergies last in dogs?
👉 Seasonal allergies typically flare up during specific seasons (spring, summer, or fall) when allergens are most active. The duration depends on the climate and your dog’s sensitivity.
8. Can dogs develop seasonal allergies later in life?
👉 Yes! Dogs can develop allergies at any age, but symptoms often start between 1 and 3 years old and may worsen over time.
9. What happens if I don’t treat my dog’s seasonal allergies?
👉 Untreated allergies can lead to:
⚠️ Chronic skin infections (bacterial & yeast).
⚠️ Severe hair loss & thickened skin.
⚠️ Constant discomfort & reduced quality of life.
Early treatment prevents long-term complications!
10. When should I take my dog to the vet for allergies?
👉 If your dog has:
🚨 Persistent itching that doesn’t improve.
🚨 Open sores, infections, or severe redness.
🚨 Ear infections or paw swelling.
🚨 Difficulty breathing (though rare).
A vet can provide targeted treatments like Apoquel, Cytopoint, or allergy testing for long-term relief.