Few things are more frustrating than watching your furry friend scratch nonstop while looking completely miserable about it. Some pets lick their paws so dramatically you would think they are trying to polish them for a competition, while others suddenly develop ear infections, irritated skin, or endless sneezing. At Olympia Veterinary Hospital, your Tumwater, WA veterinary clinic, allergy concerns are one of the most common reasons pet owners schedule appointments. Recognizing allergy signs in dogs and cats early can help your pet feel more comfortable while reducing the risk of ongoing skin irritation and secondary infections.

Allergies don’t play fair with our pets, and their symptoms can look quite different from ours. Instead of just watery eyes and sneezing, our four-legged companions often end up with itchy skin, ear troubles, hair loss, or a sudden obsession with licking and chewing. Knowing what dog and cat allergies look like—and how those seasonal sniffles can turn into skin woes—can help you spot when your furry buddy might need a little extra TLC from the vet.

What Causes Allergies in Pets?

Allergies happen when your pet’s immune system decides to throw a fit over things that are usually harmless. These troublemakers—called allergens—can set off all sorts of itching and irritation in sensitive pets.

Common allergy triggers include:

• Pollen
• Grass
• Dust mites
• Mold
• Fleas
• Food ingredients
• Environmental irritants

Some pets seem to battle allergies year-round, while others only start itching and sneezing when the flowers bloom and the grass grows wild. Seasonal allergies are especially common in the warmer months, when pollen and other outdoor allergens are at their peak.

Genetics can also get in on the action—some breeds are just more likely to have allergy issues than others. If your pet seems extra sensitive, you can probably thank their family tree for that one.

Why Pets Show Allergies Through Their Skin

When we humans get allergies, we usually start sneezing or feeling stuffy. Our pets, on the other hand, like to show off their allergies through their skin and ears instead.

Inflammation triggered by allergies can affect:

• Skin
• Ears
• Paws
• Eyes
• Digestive system

That’s why itchy pets and allergies go paw in paw. All that scratching, licking, or chewing is often your pet’s way of trying to deal with the irritation happening under the surface.

Dogs, in particular, have a real talent for turning a tiny itch into a full-time job—if there were awards for dedication, they’d win paws down.

Itching and Scratching

Persistent itching is one of the most significant red flags of pet allergies. A little scratch here and there is normal, but if your furry friend seems to be auditioning for the role of ‘Itchiest Pet in Town,’ it’s time to pay attention.

You may notice your pet:

• Scratching frequently
• Rubbing against furniture
• Licking paws constantly
• Scooting
• Chewing at skin
• Shaking the head often

You might notice that the itching gets worse at certain times of year, especially if your pet is sensitive to pollen or grass.

If the scratching persists, it can actually damage your pet’s skin and open the door to further irritation or even infections.

Dog Allergy Symptoms Often Affect the Ears

Many allergy symptoms in dogs often show up in the ears. Allergies can make the ear canal warm and moist, which is basically an open invitation for infections to move in.

Signs of ear problems may include:

• Head shaking
• Ear scratching
• Redness
• Odor
• Discharge
• Sensitivity around the ears

Some dogs develop chronic ear infections related to underlying allergies.

You might even catch your dog doing the classic face-drag across the carpet or sofa, all in the name of itch relief.

Cat Skin Allergies Can Look Different

Cats, of course, like to do things their own way. Instead of obvious scratching, kitties with skin allergies often go into overdrive with their grooming routines.

You may notice:

• Hair loss
• Bald patches
• Overgrooming
• Scabs
• Skin irritation
• Increased hiding
• Restlessness

Some cats are so dedicated to their grooming that you might not realize anything’s wrong—until you spot a bald patch or two where fur used to be.

Let’s be honest—cats are nothing if not determined about their grooming. Your feline overlord might spend hours fussing over an itchy spot, all while acting like everything is perfectly normal.

Paw Licking and Chewing

Another allergy clue? Paw licking. Both dogs and cats can get a little too enthusiastic about cleaning their feet when allergies strike.

All those allergens love to hitch a ride on your pet’s paws after a romp outside, which is why you’ll often see them chewing or licking their feet.

Excessive paw licking may lead to:

• Redness
• Staining of fur
• Swelling
• Secondary infections
• Sore skin

Some dogs get so wrapped up in licking their paws that it’s easy to mistake it for boredom—until you realize it’s actually their way of coping with irritation.

Seasonal Allergies in Pets

Seasonal allergies in pets often worsen during spring and summer when pollen, grasses, and environmental allergens become more active.

You might notice your pet seems perfectly fine most of the year, then suddenly starts itching or sneezing when allergy season rolls around.

Seasonal symptoms may include:

• Itching
• Sneezing
• Watery eyes
• Ear infections
• Paw licking
• Skin irritation

When the weather heats up, fleas come out to play—and for some pets, even one flea bite can set off a major allergic reaction.

Flea Allergies Are Extremely Common

Some pets are so sensitive to flea saliva that just one bite can turn into a full-blown itch-fest, complete with red, irritated skin.

Flea allergy symptoms may include:

• Excessive scratching
• Hair loss
• Red bumps
• Skin infections
• Tail base irritation

If your pet is chewing like mad at their lower back or tail, fleas might be the culprits behind all that drama.

Even indoor pets aren’t totally safe from fleas—those little hitchhikers can sneak in when you least expect them. That’s why year-round flea prevention is a must.

Food Allergies in Dogs and Cats

Food allergies aren’t as common as environmental ones, but they can still pop up and cause trouble for some pets.

Food-related allergy signs may include:

• Chronic itching
• Ear infections
• Digestive upset
• Skin inflammation

If you suspect a food allergy, it’s best to work with your vet on a carefully managed diet trial. Pinpointing the real culprit can take some detective work!

Switching foods over and over without a plan can actually make things trickier in the long run, so let your vet help you crack the case.

Secondary Skin Infections

Treating allergies isn’t just about stopping the itch—constant scratching and licking can break down your pet’s skin barrier, making things even worse.

Damaged skin becomes more vulnerable to:

• Bacterial infections
• Yeast infections
• Hot spots
• Chronic irritation

Secondary infections can make the itching even worse, trapping your furry friend in a never-ending cycle of discomfort.

When skin infections set in, pets can get downright miserable and restless—nobody’s happy when the itch just won’t quit.

How Veterinarians Diagnose Allergies

Figuring out what’s causing your pet’s allergies can take a little detective work, since the symptoms often look like other health issues.

Your veterinarian may evaluate:

• Medical history
• Skin condition
• Seasonality
• Diet history
• Flea exposure
• Ear health

Additional testing may sometimes be recommended depending on symptoms and severity.

The goal isn’t just to find out what’s bugging your pet—it’s to help them feel comfy and happy for the long haul.

Managing Itchy Pets and Allergies

Managing allergies is all about figuring out what’s causing the trouble and tailoring the plan to your pet’s unique needs.

Treatment plans may include:

• Flea prevention
• Prescription medications
• Medicated shampoos
• Ear treatments
• Diet changes
• Environmental management

Most pets do best with a long-term allergy game plan, not just quick fixes.

Your veterinarian can help you come up with a plan that fits your furry pal’s lifestyle and keeps them feeling their best.

Can Allergies Affect Pet Behavior?

Absolutely! All that itching and discomfort can really put your pet in a grumpy mood and mess with their sleep and behavior.

Pets dealing with chronic irritation may become:

• Restless
• Irritable
• Withdrawn
• Less playful
• More anxious

Some pets sleep poorly because their itching worsens at night.

Helping your pet feel comfortable in their own skin can make a world of difference for their mood and quality of life.

Preventing Allergy Flare-Ups

We can’t always prevent allergies completely, but a few good habits can go a long way toward keeping flare-ups at bay.

Helpful prevention strategies include:

• Consistent flea prevention
• Regular grooming
• Paw cleaning after walks
• Routine veterinary exams
• Monitoring seasonal symptoms

Catching allergy symptoms early can help stop bigger problems—like severe irritation or infections—before they start.

 You can learn more about skin allergies in pets at the Oregon Veterinary Medical Association here. Pet MD has a post on skin allergies in dogs. 

FAQ About Pet Allergies

What are common allergy signs in dogs and cats?

Common symptoms include itching, ear infections, paw licking, hair loss, redness, and skin irritation.

Why is my dog constantly scratching?

Dog allergy symptoms often include excessive scratching related to environmental allergies, fleas, or food sensitivities.

Can cats get skin allergies?

Yes. Cat skin allergies may cause overgrooming, hair loss, scabs, and irritated skin.

Are seasonal allergies common in pets?

Yes. Seasonal allergies in pets often occur during warmer months, when pollen and other environmental allergens increase.

Visit Our Tumwater, WA Veterinary Clinic for Allergy Care

Persistent itching, ear infections, and skin irritation can make life tough for both pets and their people. The sooner you spot allergy signs in your dog or cat, the sooner your vet can help find the cause and recommend treatments to keep your furry friend comfortable and their skin healthy.

If you’re searching for a friendly, knowledgeable vet in Tumwater, Olympia Veterinary Hospital is here for you and your furry family members. We offer everything from wellness exams and allergy checks to skin care and preventive services. Give us a call today to schedule an appointment and let us help your pet feel their best.

This blog is intended for informational purposes only. Always consult your veterinarian for medical advice, diagnosis, and treatment recommendations for your pet and follow their professional guidance.

Do you want to learn more about our pet clinic in Olympia, WA? Our Service Page is a great start. You’ll find a great overview of our animal hospital and the services we offer, which range from basics like Wellness and vaccinations, Dentistry, and Weight management, to more specialized offerings like Internal Medicine. Call us anytime to learn more!