How to Help Your Dog With Allergies: Signs, Causes & Relief

If your dog seems itchy, uncomfortable, or develops unexplained skin issues, allergies might be the culprit.
Just like humans, dogs can suffer from allergies triggered by their environment, food, or even parasites — and since they can’t tell us exactly what's wrong, it’s up to us to spot the signs and help them feel better.

Here’s your complete guide to understanding dog allergies, what causes them, and how to treat them effectively.

Quick Summary: First Steps to Help a Dog With Allergies

• Spot the symptoms: Itching, licking, hair loss, paw chewing, ear infections

• Visit your vet: Rule out infections or parasites

• Manage symptoms: Medications, shampoos, supplements, environmental changes

• Long-term plan: Allergy testing, diet changes, preventive care

Common Signs Your Dog Might Have Allergies

Watch for these warning signs:

• Constant scratching or licking

• Red, irritated, or flaky skin

• Chewing paws or legs

• Frequent ear infections

• Watery eyes or sneezing

• Digestive troubles (vomiting, diarrhea)

Main Causes of Dog Allergies

1. Flea Allergy Dermatitis

Dogs allergic to flea saliva can have intense reactions even from a single bite.

Treat fleas year-round using vet-approved preventatives — like options recommended by Sovrn Pet Care.

2. Environmental Allergies

Pollen, mold, dust mites, and even turf chemicals can trigger skin allergies in dogs.

Wipe your dog's paws after outdoor walks during allergy seasons and consider air purifiers indoors.

3. Food Allergies

Food allergies often cause ear infections, digestive upset, or itchy skin. Common culprits include:

• Chicken

• Beef

• Dairy

• Grains like wheat or corn

Starting a vet-guided elimination diet is key. Learn more about selecting the best diet for your puppy.

4. Dry Skin (Non-Allergic)

Dry climates or poor nutrition can cause flaky, itchy skin, mimicking allergies.

Using moisturizing shampoos or adding omega-3 supplements can help.
For dry skin or itch relief options, check out Dutch's Itch Relief for Dogs Guide.

How to Treat Dog Allergies

Once diagnosed, your vet might recommend:

Medications

• Antihistamines (e.g., Benadryl, only under vet guidance)

• Steroids for severe cases

• Antibiotics if infections arise

Topical Relief

• Medicated shampoos (like oatmeal or chlorhexidine)

• Antibacterial ear cleaners

• Paw soaks or sprays for inflamed feet

Supplements

Boost your dog's skin health with:

• Omega-3 fatty acids

• Biotin and Vitamin E

Environmental Management

• Wash your dog’s bedding weekly

• Vacuum carpets and sofas often

• Use hypoallergenic cleaning products

• Minimize scented candles, plug-ins, and sprays that can trigger reactions
  📚 Learn about hidden household dangers for dogs

When to See a Veterinary Dermatologist

If symptoms are severe or persistent, your vet may refer you to a specialist for:

• Intradermal allergy testing

• Serum allergy testing

• Immunotherapy ("allergy shots")

Veterinary dermatologists can create targeted allergy plans to dramatically improve quality of life.

Final Thoughts: Helping Your Dog Live Comfortably

If your dog struggles with allergies, you’re not alone — and there’s a lot you can do.
Early action, proper diagnosis, and proactive management can help your pup feel better, faster.

Need a Vet You Can Trust?

Use our Vet Finder Tool to find a trusted professional near you today.

Dog Breeds Less Prone to Allergy Problems

Some breeds are naturally less likely to suffer from food allergies, skin sensitivities, or environmental allergies.
This can be due to their coat type, skin structure, or genetic history.

Here are a few breeds known for having fewer allergy issues:

Please note that even in lower-risk breeds, individual dogs can still develop allergies. Genetics are just one part of the story. Environment, diet, and overall health also play huge roles.

Frequently Asked Questions About Dog Allergies

Can dogs develop allergies later in life?

Yes! Dogs can suddenly develop allergies at any age — even after years of tolerating the same food or environment. Always watch for new symptoms like itching, paw licking, or digestive issues.

How do you tell if a dog has food allergies vs environmental allergies?

• Food allergies often cause digestive issues (vomiting, diarrhea) plus itchy skin.

• Environmental allergies (like pollen or dust) usually cause itching, sneezing, or watery eyes without digestive problems.

Your vet may suggest an elimination diet or allergy testing to tell the difference.

What home remedies can help dogs with allergies?

While always checking with your vet first, some at-home strategies that help include:

• Wiping paws after outdoor walks

• Using hypoallergenic dog shampoos

• Adding omega-3 supplements for skin health

• Using air purifiers to lower indoor allergens

What foods are most likely to cause dog allergies?

The top allergenic foods for dogs include:

• Beef & Chicken

• Dairy

• Wheat

• Eggs

• Soy

Switching to a limited-ingredient or novel-protein diet can often help — with your vet’s guidance.

Author: Ashley Nielsen

Ashley Nielsen earned a B.S. degree in Business Administration Marketing at Point Loma Nazarene University. She is a freelance writer who loves to share knowledge about general business, marketing, lifestyle, wellness, and financial tips. During her free time, she enjoys being outside, staying active, reading a book, or diving deep into her favorite music.