7 Things that Could be Triggering Your Pet’s Allergies
Just like people, pets can suffer from allergies too—and sometimes the signs aren’t as obvious as sneezing or watery eyes. In dogs and cats, allergies often show up as itchy skin, ear infections, excessive licking, digestive upset, or even changes in behavior due to discomfort.
Since May is Allergy and Asthma Awareness Month, it’s the perfect time to talk about some of the most common things that may be making your pet miserable.
Here are 7 things that could be triggering your pet’s allergies:
1. Fleas
Even a single flea bite can trigger a major allergic reaction in some pets. This is called flea allergy dermatitis, and it can cause intense itching, redness, hair loss, and skin infections—especially around the tail base, back legs, and belly.
Even indoor pets can be exposed to fleas, which is why year-round flea prevention is so important.
2. Pollen
Seasonal allergies aren’t just for humans. Grass, tree, and weed pollens can cause pets to itch, lick their paws, rub their face, and develop skin irritation—especially during spring and fall.
Pets with pollen allergies may seem worse after being outside or after rolling in the grass.
3. Dust and Mold
Indoor allergens like dust mites, mold spores, and household dust can trigger allergy symptoms year-round. Pets with environmental allergies may experience chronic itching, ear infections, or inflamed skin even when they spend most of their time indoors.
These allergies can be frustrating because they often persist regardless of the season.
4. Food Ingredients
Some pets develop an exaggerated immune response to specific ingredients in their food. This type of allergy is often considered after parasites or environmental allergies have been ruled out. It is not the same as food sensitivity or intolerance, which does not involve the immune system.
5. Cleaning Products
Some pets are sensitive to household cleaners, laundry detergents, scented sprays, candles, or air fresheners. These products may irritate the skin, paws, or respiratory system.
If your pet seems itchy after lying on freshly cleaned floors or washed bedding, household products could be the culprit.
6. Certain Fabrics or Materials
Plastic food bowls, certain shampoos, carpet fibers, and even some fabrics can trigger contact allergies in sensitive pets.
This type of allergy usually causes irritation where the skin touches the material most often—like the chin, paws, belly, or underarms.
7. Insect Bites and Stings
Mosquitoes, bees, spiders, ants, and other insect bites can cause allergic reactions ranging from mild swelling to severe emergencies.
If your pet develops sudden facial swelling, hives, vomiting, or difficulty breathing after an insect sting, seek veterinary care immediately.
When Should You Call Your Veterinarian?
If your pet is:
- Constantly scratching
- Licking or chewing their paws
- Shaking their head frequently
- Developing recurrent ear infections
- Losing fur
- Having red, irritated skin
- Experiencing vomiting or diarrhea
…it may be more than just “normal itching.”
The good news is that allergies can often be managed successfully with the right diagnosis and treatment plan.
We’re Here to Help
Allergies can make life uncomfortable for both pets and their owners—but you don’t have to figure it out alone.
At Hill & Harbour Veterinary Center, we help diagnose and manage allergies through personalized treatment plans that may include prevention, diet trials, medications, and long-term support.
If you think your pet may be dealing with allergies, give us a call—we’d love to help them feel better.