Spring Allergies in Dogs and Cats: Symptoms, Causes and Treatment
Updated: Sep 9
Spring brings warmer weather, longer walks and more time outdoors. But for some pets, it also brings something less welcome: itchy skin, irritated paws, watery eyes and relentless scratching.
If your dog or cat suddenly seems itchier than usual this spring, seasonal allergies could be part of the problem.
Just like people, pets can react to allergens in their environment. The difference is that allergies in dogs and cats often show up through the skin and ears, rather than the classic sneezing and runny nose we might expect.
So, how can you tell if your pet has spring allergies, and what can you do to help?

What causes spring allergies in dogs and cats?
Spring means more pollen, plants and outdoor activity, which can increase your pet's exposure to potential allergens.
Common environmental allergens include:
Grass pollen
Tree and weed pollen
Mould spores
Dust and dust mites
Other environmental particles
Pets can also develop allergies to things that are present all year round, including certain foods, flea saliva and household allergens.
This means that not every itchy pet has a seasonal allergy. Identifying the underlying cause is an important part of finding the right treatment.

Common symptoms of spring allergies in dogs
Allergies in dogs commonly cause skin irritation. You may notice your dog:
Scratching or licking more than usual
Chewing their paws
Rubbing their face or body
Developing red or irritated skin
Getting recurrent ear problems
Developing hair loss or thinning fur
Having a musty or unusual skin odour
Developing sores or hot spots from excessive scratching
Some dogs may also develop watery or irritated eyes.
One of the biggest clues is when the symptoms appear. If your dog's itching consistently becomes worse during spring or after spending time outdoors, environmental allergies may be worth investigating.
What do spring allergies look like in cats?
Cats can show allergies differently from dogs, which can make them harder to recognise.
Instead of constantly scratching, an allergic cat may spend much more time grooming. Look out for:
Excessive licking or grooming
Hair loss, particularly on the belly, legs or sides
Red or irritated skin
Small scabs or bumps
Scratching around the head and neck
Recurrent ear irritation
Increased sensitivity when touched
If your cat is grooming excessively or developing unexplained patches of hair loss, it is worth speaking with your veterinarian.
Is it definitely an allergy?
Not necessarily.
Fleas, parasites, infections, skin conditions and other health problems can cause very similar symptoms. In some cases, pets can have more than one issue contributing to their itchiness.
This is why treating the itch without investigating the cause may only provide temporary relief.
Your veterinarian can assess your pet's skin, ears and overall health and help determine what may be triggering the problem.
How are allergies in dogs and cats treated?
Treatment depends on the cause, severity and individual needs of your pet.
Your veterinarian may recommend one or a combination of approaches, such as:
Managing exposure to allergens
Reducing your pet's contact with suspected allergens can help minimise symptoms.
After outdoor activities, you may be able to reduce pollen exposure by gently cleaning your pet's paws and coat. Regular washing of bedding and keeping sleeping areas clean can also help reduce environmental allergens.
Treating itchy and irritated skin
Your veterinarian may recommend specific skin care products or treatments to soothe irritation and support the skin barrier.
It is important to avoid using human creams, shampoos or allergy medications on your pet unless your veterinarian has advised that they are safe.
Managing secondary infections
Pets with allergies can develop secondary bacterial or yeast infections because damaged, irritated skin is more vulnerable.
Signs such as a strong odour, discharge, worsening redness or persistent irritation may indicate that your pet needs veterinary treatment.
Allergy medications
Depending on your pet's condition, your veterinarian may prescribe medication to control itching and inflammation.
The most appropriate option will depend on your pet's age, health, symptoms and the suspected cause of their allergies.
Flea prevention
Flea allergy dermatitis is a common cause of severe itching in pets. Even if you cannot see fleas, they can still be responsible for significant irritation.
Keeping your pet's flea prevention up to date is an important part of managing itchy skin.
When should you see a vet for your pet's allergies?
A little occasional scratching is not necessarily cause for concern, but persistent or worsening itching should not be ignored.
Book a veterinary appointment if your pet:
Is scratching, licking or chewing constantly
Has red, inflamed or damaged skin
Develops bald patches or sores
Has recurring ear problems
Develops an unusual skin or ear odour
Seems uncomfortable or unsettled
Has symptoms that keep returning
Suddenly develops severe itching
Early veterinary care can help identify the cause before ongoing scratching leads to more significant skin damage or secondary infections.
Keep your pet comfortable this spring
Spring should be a season for enjoying the outdoors, not constantly managing your pet's itchiness.
Pay attention to changes in your dog's or cat's skin, ears and grooming habits, particularly when the weather starts warming up. If you notice persistent itching or irritation, your veterinarian can help work out whether allergies are responsible and develop an appropriate treatment plan.
At Paddington Vet, we're here to help keep your pet comfortable, healthy and ready to enjoy every season. If your pet has developed new or persistent allergy symptoms this spring, book an appointment with our veterinary team for an assessment.
Spring Dental Bonus
While you're booking your pet's spring health check, it's also a good time to look at their dental health. Save $50 on a Dental Scale & Clean until September 30. Ask our team about the current promotion when you book.
Book an appointment with Paddington Vet today and give your pet a healthier start to spring.
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