If you think seasonal allergies only show up in spring, you’re not alone. A lot of pet parents are surprised when their dog or cat starts itching, licking, or scratching more during the winter months.

The truth is: winter can be just as rough on sensitive skin as allergy season—just for different reasons.

Let’s break down what’s really going on, what to watch for, and how to help your pet feel comfortable again.

Can Pets Have Seasonal Allergies in Winter?

Yes — but winter allergies often look a little different.

Instead of pollen from trees and grass, winter allergies and itchy skin are usually caused by a combination of:

• Dry indoor air from heaters

• Dust mites and indoor allergens

• Mold spores from rain and moisture

• Reduced humidity affecting skin health

• Underlying food sensitivities that flare when skin is already compromised

So while the trigger may not be blooming plants, the result is the same: dry, irritated, itchy skin.

Common Signs of Winter Allergies or Dry Skin in Pets

Some pets show obvious symptoms, while others are more subtle. Watch for:

• Excessive scratching or licking

• Chewing at paws or legs

• Red or inflamed skin

• Dandruff or flaky skin

• Hot spots

• Ear infections or head shaking

• Thinning fur or bald patches

If your pet’s itching seems worse at night or after being indoors all day, winter dryness could be playing a big role.

Why Winter Makes Itchy Skin Worse

During colder months, we rely on indoor heating — and that dry air pulls moisture from your pet’s skin just like it does from your hands and lips.

Add in:

• Fewer baths (which can help remove allergens when done properly)

• Less outdoor exposure (more time around indoor dust)

• Poor hydration

…and skin can quickly become compromised.

Once the skin barrier is weakened, allergies — even mild ones — feel much more intense.

Food & Nutrition: The Foundation of Healthy Skin

One of the most overlooked factors in itchy skin is diet.

Low-quality fats, overly processed ingredients, or hidden allergens can make inflammation worse — especially when seasonal stressors are already present.

Key nutrients that support skin health include:

• Omega-3 fatty acids (EPA & DHA)

• High-quality animal protein

• Zinc and vitamin E

• Moisture-rich foods (especially for cats)

If your pet’s itching is a recurring winter problem, diet is often a good place to start.

Simple Ways to Help Your Pet During Winter

You don’t need to overhaul everything at once. Small changes can make a big difference:

Increase moisture

• Encourage water intake

• Consider adding wet or fresh food

Support the skin barrier

• Omega-3 supplements (fish or algae-based)

• Gentle, moisturizing shampoos (not too frequent)

Reduce indoor allergens

• Wash bedding regularly

• Vacuum carpets and furniture

• Use pet-safe humidifiers if your home is very dry

Pay attention to paws

• Dry air + flooring cleaners can irritate feet

• Wipe paws after walks or indoor play

When to Talk to a Professional

If itching is severe, constant, or paired with infections or open sores, it’s time to involve a vet or a trained pet nutrition specialist.

Chronic skin issues are rarely “just allergies” — they’re often a combination of environment, nutrition, and immune response.

The Bottom Line

Winter doesn’t always mean relief from allergies. For many pets, it’s when dry skin, indoor allergens, and underlying sensitivities finally catch up.

By supporting your pet’s skin from the inside out — and making a few seasonal adjustments — you can help them stay comfortable, even when the weather isn’t.

If you’re ever unsure where to start, asking the right questions is the first step.