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Why Is My Pet So Itchy? Allergies in Dogs and Cats
May 25, 2026

Few things are more frustrating than watching your furry friend scratch constantly and not knowing how to help. Maybe your dog keeps chewing at their paws after every walk, or your feline companion suddenly spends half the day grooming and licking irritated skin. At Breton Veterinary Hospital, your trusted California, MD veterinary clinic, we help local pet owners identify and manage allergies in pets so dogs and cats can feel more comfortable year round.

Itching is not always just dry skin. Ongoing scratching, licking, ear infections, hair loss, and irritated skin are often signs of allergies. Learning about common allergy triggers and spotting symptoms early can help your pet feel better and avoid skin infections. If your dog or cat is itchy, has seasonal allergies, or you are looking for safe treatments, knowing the signs can really improve your pet’s comfort.

Allergies in Pets Are More Common Than Many People Realize

Dogs and cats can develop allergies for many of the same reasons humans do. Pollen, dust, mold, grass, food ingredients, flea bites, and environmental irritants may all trigger allergic reactions.

Unlike people, pets often show allergy symptoms on their skin instead of just sneezing or having watery eyes. Your dog or cat might scratch, chew, lick, or rub irritated spots over and over when allergies act up.

Dogs often develop allergies between one and three years old, but allergies can show up at any age.

Allergies Can Affect More Than Skin

Some pets with allergies also get frequent ear infections, stomach problems, watery eyes, or changes in their coat. Symptoms can get worse during certain seasons or after contact with certain triggers.

Pets cannot catch allergies from each other, but some breeds are more likely to have skin sensitivities and allergic reactions.

Why Dogs and Cats Become So Itchy

Itching starts when allergens cause inflammation in the body. The immune system treats certain things as threats, even if they are harmless to most pets.

The resulting inflammation may affect the skin, ears, paws, digestive system, or respiratory tract.

Common Allergy Triggers for Pets

Several allergens commonly affect pets in Maryland throughout the year.

Common triggers include:

  • Pollen
  • Grass
  • Mold spores
  • Dust mites
  • Flea saliva
  • Certain proteins in food
  • Household cleaners
  • Smoke
  • Fragrances

Maryland’s humid weather can make skin irritation worse because moisture helps bacteria and yeast grow.

Some pets have allergies only during certain seasons, while others deal with them all year.

Seasonal Allergies in Pets Often Flare During Spring and Fall

Warm weather often brings more allergy problems for pets in Southern Maryland. Pollen goes up in spring, and mold and other allergens increase when it’s humid.

Dogs that spend a lot of time outside in warm months may show more allergy symptoms during allergy season.

Signs of Seasonal Allergies in Pets

Spotting allergy symptoms early can help prevent discomfort and skin problems from too much scratching.

Common signs of seasonal allergies in pets include:

  • Paw licking
  • Ear scratching
  • Red skin
  • Hair loss
  • Face rubbing
  • Scooting
  • Recurring ear infections
  • Excessive grooming

Your furry bestie may also roll around on carpets or furniture in an attempt to relieve irritation.

Some dogs chew their paws a lot during allergy season, which can be both funny and frustrating. Sadly, licking too much can make the irritation worse.

Itchy Dogs and Cats May Develop Skin Infections

When pets scratch and lick all the time, it can damage their skin and let bacteria and yeast grow. These infections can make itching even worse.

Some pets develop hot spots, which are inflamed areas of skin caused by excessive licking, chewing, or scratching. These irritated patches may appear suddenly and worsen quickly.

Ear Infections Are Common With Allergies

Allergic inflammation frequently affects the ears as well as the skin.

Signs of ear problems may include:

  • Head shaking
  • Ear odor
  • Red ears
  • Excessive wax buildup
  • Scratching around the ears
  • Sensitivity when touched

Dogs with floppy ears often get more moisture in their ears, especially during humid Maryland summers or after swimming.

Cats can also get itchy ears or skin irritation, but their symptoms may look a bit different from dogs.

Food Allergies Can Cause Ongoing Symptoms

Food allergies are not as common as environmental ones, but some dogs and cats still have them.

Proteins such as chicken, beef, dairy, or fish can cause reactions in sensitive pets. Food allergies can lead to skin issues, stomach problems, or ongoing ear infections.

Food Allergies Usually Require Careful Evaluation

You usually cannot diagnose food allergies with quick store-bought tests. Vets often suggest a special elimination diet to safely find out what is causing the problem.

Symptoms linked to food sensitivities may include:

  • Chronic itching
  • Ear infections
  • Vomiting
  • Diarrhea
  • Paw licking
  • Red skin

Pets can suddenly become allergic to foods they have eaten for years without any trouble before.

Flea Allergies Can Cause Severe Itching

Some pets have strong reactions to flea saliva, even if there are only a few fleas. Flea allergy dermatitis is one of the most common skin allergies vets see.

Dogs and cats with flea allergies often scratch a lot near their tail, belly, or thighs.

Indoor Pets Can Still Get Fleas

Many people think indoor pets are safe from fleas, but fleas can still get inside on clothes, shoes, or other animals.

Flea allergy symptoms can keep going even when you cannot see any fleas, so it is important to use prevention all year.

Maryland’s weather lets fleas stay active most of the year, especially when it is warm.

Some Pets Are More Prone to Allergies Than Others

Any dog or cat can get allergies, but some breeds are more likely to have ongoing skin problems.

Dogs commonly associated with allergy issues include:

  • Bulldogs
  • Retrievers
  • Terriers
  • Boxers
  • French Bulldogs
  • Shih Tzus

Cats can also develop allergies, although symptoms may present differently.

Cats Often Show Allergies Through Grooming

Instead of scratching constantly, some cats respond to allergies by overgrooming. Your feline friend may lick certain areas repeatedly until bald spots or irritated skin appear.

Cats with allergies may also develop:

  • Scabs around the head and neck
  • Ear irritation
  • Hair thinning
  • Skin redness
  • Increased hiding or irritability

Your feline overlord may act perfectly normal while quietly dealing with chronic discomfort.

Allergy Treatment for Dogs and Cats Depends on the Cause

Managing allergies usually means lowering your pet’s contact with triggers and safely controlling inflammation and itching.

Pets respond to treatments in different ways. Some need medicine during allergy season, while others need long-term management.

Allergy Care Often Includes Multiple Approaches

Effective allergy treatment for dogs and cats may include:

  • Prescription medications
  • Medicated shampoos
  • Ear treatments
  • Flea prevention
  • Dietary changes
  • Environmental management
  • Allergy testing

Bathing your pet can help wash away pollen and allergens from their skin and fur, especially after they have been outside. Just don’t overdo it: that can dry out your pet’s skin, causing more problems.

Using air filters, washing your pet’s bedding often, and wiping their paws after walks can also help lower allergens inside your home.

Home Habits Can Help Reduce Allergy Flare-Ups

You cannot necessarily always prevent allergies, but some habits at home can help reduce irritation for sensitive pets.

Simple changes at home can help lower your pet’s exposure to allergens over time.

Helpful Allergy Management Tips at Home

Helpful daily habits include:

  • Washing pet bedding regularly
  • Vacuuming frequently
  • Wiping paws after walks
  • Keeping flea prevention current
  • Using air filters indoors
  • Bathing pets as recommended by your veterinarian

Even small changes in your routine can help your itchy dog or cat feel more comfortable during allergy season.

Scratching Is Not Always “Normal”

Some people think constant scratching is just part of having a pet, especially in warm weather. But healthy pets should not itch a lot every day.

Chronic Itching Can Affect Quality of Life

Pets dealing with constant irritation may become:

  • Restless
  • Irritable
  • Less playful
  • Tired from disrupted sleep
  • More anxious

Skin problems can affect your pet’s mood and behavior more than many people realize.

Your pet should be able to relax without always having to stop and scratch, lick, or chew.

Wellness Exams Help Identify Allergy Problems Earlier

Regular checkups help vets spot changes in your pet’s skin, coat, ears, and comfort before problems get worse.

Sometimes skin problems look like allergies but are actually caused by parasites, infections, hormone issues, or other health problems.

Monitoring Changes Helps Guide Treatment

Tracking your pet’s symptoms can help you and your vet find patterns.

Helpful details include:

  • Time of year symptoms worsen
  • Areas affected most
  • Diet changes
  • Exposure to grass or outdoor activities
  • Response to previous treatments

This information can help your vet choose the best tests and treatments for your pet.

PetMD wrote about food allergies in dogs. The AKC also covered canine allergies

FAQ

What causes allergies in pets?

Environmental allergens, fleas, food ingredients, dust, mold, and pollen are among the most common allergy triggers for pets.

What are common pet allergy symptoms?

Scratching, paw licking, ear infections, red skin, hair loss, chewing, and excessive grooming are common signs.

Are seasonal allergies in pets common in Maryland?

Yes. Maryland’s humidity and pollen levels can contribute to seasonal allergy flare-ups in dogs and cats.

Can indoor pets still have allergies?

Yes. Indoor pets may react to dust mites, mold, household products, fleas, or food ingredients.

What allergy treatment for dogs and cats is available?

Treatment may include medications, flea prevention, medicated shampoos, diet changes, or allergy management plans recommended by your veterinarian.

Visit Our California, MD Veterinary Clinic for Pet Allergy Care

Constant itching can make life miserable for both pets and owners, but the right care plan can often help your furry friend feel much more comfortable. Whether your pet struggles with itchy dogs and cats, recurring pet allergy symptoms, or frustrating seasonal allergies in pets, the caring team at Breton Veterinary Hospital is here to help. If you have been searching online for a “vet near me” in California, MD, our veterinarians would love to care for your dog or cat. Call today to schedule an allergy evaluation at our California, MD animal hospital.

This blog is intended for informational purposes only. Always consult your veterinarian for medical advice, diagnosis, and treatment recommendations that fit your pet’s specific needs.

To learn more about Breton Veterinary Hospital and what we do, start by visiting our Service page. We offer Wellness and Vaccinations, Allergies and Dermatology, Nutrition & Weight Management, and more.