A Shiba Inu dog scratching his pears because of pet allergies in a dog park.

Pet Allergies in Northern Virginia: What You Should Know

If your pet keeps scratching, chewing their paws, or getting repeat ear infections, allergies might be the reason. In Northern Virginia, pet allergies are common because of the region’s mix of tree pollen, grass, mold, dust, and even food sensitivities. Knowing what triggers your pet’s reaction and how to manage it can make a big difference in their comfort and health.

What Pet Allergies Look Like

Puppy and kitten sitting together, both scratching themselves with their hind legs against a white background.

You know your pet best, so when they start acting differently, it’s a good idea to pay close attention. Unlike humans, cats and dogs usually don’t sneeze or get watery eyes. Instead, an allergic reaction in pets often shows up through their skin or digestive system.

You might notice:

  • Frequent scratching, biting, or licking
  • Red or irritated skin
  • Red or irritated skin
  • Bald patches or hot spots
  • Shaking their head or scratching their ears
  • Odor or discharge from the ears
  • Vomiting or diarrhea (in cases of food allergy)

These allergy symptoms can occur at any time of year, but they often worsen during seasonal changes or after exposure to other pet dander, certain foods, or other environmental triggers.

Environmental Allergies Unique to Northern Virginia

Northern Virginia’s wooded areas, rural spaces, and suburban neighborhoods create constant exposure to environmental allergens. With each season, allergen levels shift, and even a quick walk can coat your pet’s fur with irritants that trigger symptoms.

Common outdoor triggers include:

  • Tree pollen
  • Grass pollen
  • Weed pollen
  • Mold spores
  • Dust and outdoor debris

These allergens attach to your pet’s coat and paws. To reduce symptoms, it’s a good idea to bathe your pets with a gentle shampoo, wipe them down after outdoor activity, and wash your hands after handling them. These small steps help reduce pet allergens inside your home.

Hidden Indoor Allergies to Consider

Even if your pet stays indoors most of the time, they can still develop allergies. In fact, indoor allergens tend to linger longer and may cause year-round symptoms.

Watch out for:

  • Dust mites in carpets, curtains, and bedding
  • Scented cleaning products, air sprays, or candles
  • Certain houseplants and their pollen
  • Synthetic materials in pet beds or toys

To lower exposure, vacuum often using a high-efficiency particulate air (HEPA) filter and clean their bedding in hot water on a weekly basis. Switching to unscented, pet-safe products is also a good idea to help reduce allergen levels in your home.

Food Allergies: A Different Kind of Reaction

Food allergies in pets often develop from repeated exposure to certain ingredients. These reactions impact the immune system, causing skin irritation, digestive problems, or both.

Common food allergens include:

  • Chicken
  • Beef
  • Dairy
  • Eggs
  • Wheat
  • Soy

If your pet shows signs of a food-related allergic reaction, such as itching, vomiting, or diarrhea, it’s a good idea to ask your vet about an elimination diet. This approach removes potential allergens and then reintroduces them slowly to monitor for allergy symptoms.

Dermatitis: A Serious Reaction to One Bite

Close-up of a dog's irritated skin with hair loss, redness, and scabs.  Possible signs of infection or a skin condition.

Some pets are allergic to the saliva of fleas. Even one bite can trigger intense itching and inflamed skin. In Northern Virginia, fleas remain active from spring through late fall, especially in wooded or grassy areas.

Signs of flea allergy dermatitis include:

  • Scratching and hair loss around the base of the tail
  • Red, crusty patches on the skin
  • Scabs or open sores
  • Frequent biting or licking of the lower back or hind legs

To avoid pet discomfort, it’s a good idea to follow a consistent flea prevention plan. Left untreated, these allergic reactions can lead to inflamed skin cells and, in some cases, respiratory symptoms like shortness of breath.

What You Can Do Now

If allergies are severe, some homes may need to take extra steps. While going completely pet-free isn’t ideal for most, you can still lower exposure—especially if you live with cats and dogs prone to allergies or sensitivities.

Try these simple changes:

  • Wash pet bedding weekly in hot water
  • Use an air purifier in the main living spaces
  • Bathe your pets regularly with hypoallergenic shampoo
  • Avoid pet contact with carpets and upholstered furniture

These habits help manage symptoms and keep your home more comfortable throughout the year.

Getting a Proper Diagnosis

If your pet shows recurring allergy symptoms, there’s no need to guess the cause. At Catoctin Veterinary Clinic in Leesburg, VA, you have access to trusted diagnostic services designed to identify what’s triggering your pet’s allergic reaction and guide the right treatment plan.

You can expect the following evaluation options:

  • Allergy Testing: Blood tests to detect environmental pet allergens like pollen, mold, or dust.
  • Elimination Diet Trials: A step-by-step process to uncover food sensitivities by removing and reintroducing ingredients.
  • Microscopic Exams: Cytology of skin cells or ear samples to detect infections or inflammation.
  • General Diagnostic Services: Full lab work, digital X-rays, and ultrasound to assess your pet’s overall health and rule out other issues.

Once testing confirms the cause—whether environmental, dietary, or parasitic—your veterinarian will provide a clear, customized treatment plan that fits your pet’s lifestyle and the severity of the reaction.

Trust Catoctin Veterinary Clinic with Your Pet’s Allergy Care

Your pet is part of your family, and when they’re struggling with allergy symptoms, it’s important to get answers you can trust. At Catoctin Veterinary Clinic, we listen to your concerns, explain every step, and create a care plan that supports your pet’s comfort and your peace of mind.

Think your pet may have allergies? Call today to schedule an allergy test or exam. We’re here to help you manage pet allergies with real solutions and reliable care.