Everyday Habits That Can Worsen Allergies in Dog

icon Last Updated September 11, 2025

Dogs are beloved companions, but just like humans, they can suffer from allergies. From seasonal pollen to food sensitivities, many triggers can cause itchy skin, sneezing, watery eyes, and chronic discomfort in dogs. While pet parents often focus on medications or special diets, many overlook the everyday habits that can worsen allergies in dogs.

Understanding and changing these habits can make a huge difference in your dog’s comfort, health, and quality of life. This article explores the most common daily routines that may worsen your dog’s allergies, how to recognize allergic symptoms, and what steps you can take to reduce exposure to allergens.

Understanding Allergies in Dogs

Before diving into everyday habits, it’s important to understand what allergies in dogs actually are.

What Are Dog Allergies?

Dog allergies occur when the immune system overreacts to substances that are normally harmless. These substances are known as allergens and can include pollen, mold, dust, food ingredients, cleaning chemicals, and more.

Read More: Allergies in Dogs

Common Symptoms of Allergies in Dogs

Recognizing the symptoms of allergies early is critical for prevention and treatment. Some of the most common signs include:

  • Constant itching and scratching

    allergies in dogs

  • Excessive licking, especially paws

  • Red, inflamed skin

  • Hair loss or hot spots

  • Ear infections

  • Sneezing, coughing, or watery eyes

  • Gastrointestinal issues (vomiting or diarrhea, especially with food allergies)

If your dog frequently shows these signs, everyday habits may be contributing to the problem.

Everyday Habits That Can Worsen Allergies in Dogs

Below are some of the most common habits and practices that can unknowingly make allergies worse for your furry friend.

1. Skipping Regular Baths

Bathing your dog too infrequently allows allergens like pollen, dust, and dander to build up on their skin and coat. These allergens can worsen itching and irritation.

  • Why it matters: Dogs exposed to pollen outdoors can carry allergens back inside on their fur.

  • What to do: Bathe your dog regularly (every 2–4 weeks depending on breed and activity level) using a hypoallergenic, fragrance-free dog shampoo. Over-bathing, however, can strip natural oils, so balance is key.

    If your dog struggles with allergies, sensitive skin, or occasional discomfort, Puainta® Banov Soothing Care Shampoo could be the solution you’ve been searching for. This plant-based, hypoallergenic formula is designed to support skin wellness, improve coat condition, and gently manage common concerns like dandruff and irritation. Perfect for dogs with sensitive skin, it helps reduce allergy-related symptoms, providing quick relief while promoting a healthy, shiny coat. Read on to learn how this soothing shampoo can become an essential part of your dog’s allergy care routine.

    hypoallergenic shampoo for dogs to relieve skin allergies

2. Using Harsh Cleaning Products

Many household cleaning products contain chemicals that can trigger allergic reactions in dogs. Floor cleaners, sprays, and air fresheners often contain synthetic fragrances and irritants.

  • Why it matters: Dogs spend most of their time close to the floor where residues from cleaning agents can irritate their skin and paws.

  • What to do: Use pet-safe, natural cleaning products. Always rinse floors thoroughly after cleaning. Avoid aerosol sprays near your dog.

3. Allowing Dogs on Pollen-Laden Grass Without Wiping Them Down

If your dog spends time outdoors, pollen can cling to their paws and coat. Without proper cleaning, they can track allergens inside the home.

  • Why it matters: Dogs that suffer from seasonal allergies may get itchy after every outdoor walk.

  • What to do: After walks, wipe down your dog’s paws, legs, and belly with hypoallergenic pet wipes or a damp cloth. This simple habit can reduce allergen buildup.

4. Ignoring Indoor Air Quality

Poor air quality inside your home can worsen allergy symptoms. Dust mites, mold spores, and dander can build up indoors, especially in homes with poor ventilation.

  • Why it matters: Dogs often spend hours indoors, so indoor allergens play a major role in flare-ups.

  • What to do:

    • Use HEPA filters in your HVAC system.

    • Vacuum with a HEPA-equipped vacuum cleaner at least twice a week.

    • Consider an air purifier in your dog’s favorite room.

5. Leaving Windows Open During Allergy Season

Many owners leave windows open to improve airflow, but this can allow pollen and outdoor allergens to flood inside.

  • Why it matters: Dogs sensitive to pollen may suffer more when allergens circulate freely indoors.

  • What to do: Keep windows closed during high-pollen seasons. Use air conditioning with clean filters instead.

6. Feeding Table Scraps or Allergen-Trigger Foods

Food allergies in dogs are common and often overlooked. Ingredients like beef, chicken, dairy, wheat, and soy can cause severe allergic reactions. Feeding human food can also trigger sensitivities.

  • Why it matters: Even small bites of table scraps can worsen chronic allergic reactions.

  • What to do: Stick to a vet-recommended dog diet. Conduct a food elimination trial if allergies are suspected. Avoid giving your dog unapproved human foods.

7. Using Scented Grooming Products

Shampoos, sprays, and flea treatments often contain fragrances or harsh chemicals that irritate sensitive dogs.

  • Why it matters: Dogs with skin allergies may react to perfumes and artificial ingredients.

  • What to do: Choose fragrance-free, hypoallergenic grooming products. Always test new products on a small patch of skin before full use.

8. Not Washing Dog Bedding Frequently

Dog beds, blankets, and toys can harbor dust mites, pollen, and bacteria. If not cleaned regularly, they can become a constant source of allergens.

  • Why it matters: Dogs spend many hours on their bedding, increasing exposure to allergens.

  • What to do: Wash your dog’s bedding weekly with fragrance-free, hypoallergenic detergent. Use hot water to kill dust mites.

9. Smoking Near Your Dog

Cigarette smoke is a well-known irritant for both humans and animals. Dogs exposed to secondhand smoke may experience worsened allergy symptoms.

  • Why it matters: Smoke particles settle on fur, bedding, and surfaces, continuously irritating dogs.

  • What to do: Never smoke indoors or near your dog. If you smoke, change clothes and wash your hands before interacting with your pet.

10. Not Keeping Fleas Under Control

Flea bites are a leading cause of allergic reactions in dogs. Flea allergy dermatitis (FAD) can make a dog’s skin extremely itchy and inflamed.

  • Why it matters: Even one flea bite can trigger severe allergic responses in sensitive dogs.

  • What to do: Use year-round flea prevention products recommended by your veterinarian. Keep your home and yard free of flea infestations.

    Protect your furry friend from fleas and ticks with the Puainta® Pest Control Collar for Dogs and Cats. Made with natural, pet-safe essential oils, this collar effectively repels pests while helping prevent flea allergy dermatitis, a common cause of itching and skin irritation in dogs. Beyond pest control, it supports emotional balance, reduces anxiety, and eases stress-related behaviors, making it an ideal solution for keeping your pet healthy, comfortable, and pest-free.

    flea control collar

11. Skipping Regular Vet Visits

Some dog owners delay vet visits until symptoms become severe. This habit can prolong suffering and allow allergies to escalate.

  • Why it matters: Early intervention prevents chronic ear infections, skin problems, and secondary bacterial infections.

  • What to do: Schedule annual vet visits (or biannual for dogs with chronic allergies). Discuss allergy testing if needed.

12. Using Carpets and Rugs That Trap Allergens

Carpets, rugs, and heavy drapes trap allergens like dust mites, dander, and pollen. Dogs lying on carpets are in constant contact with irritants.

  • Why it matters: Prolonged contact with allergens worsens itching and skin flare-ups.

  • What to do: Vacuum frequently. Wash rugs regularly. Consider switching to hard flooring where possible.

13. Overlooking Grooming and Brushing

Failing to brush your dog regularly allows allergens, dirt, and dander to build up.

  • Why it matters: Regular grooming removes allergens and promotes a healthy skin barrier.

  • What to do: Brush your dog several times a week, especially during shedding season. Use grooming tools suited for their coat type.

14. Using Perfumed Laundry Detergents for Dog Items

Many laundry detergents contain dyes and fragrances that irritate sensitive dogs.

  • Why it matters: Washing dog bedding with strong-scented detergents can trigger allergic reactions.

  • What to do: Always use fragrance-free, dye-free detergent for anything your dog uses.

15. Ignoring Stress and Anxiety

Stress doesn’t directly cause allergies but can weaken the immune system, making allergic reactions worse.

  • Why it matters: Dogs under stress may lick, chew, or scratch more, exacerbating allergic flare-ups.

  • What to do: Maintain a consistent routine, provide mental stimulation, and ensure your dog gets enough exercise.

    anxious dogs

How to Help Dogs with Allergies

Breaking harmful habits is only one part of managing dog allergies. Here are additional strategies to improve your dog’s comfort:

  • Work with your veterinarian to identify allergens through testing.

  • Consider an elimination diet to rule out food allergies.

  • Keep a daily journal of symptoms and potential triggers.

  • Use prescribed medications such as antihistamines, steroids, or immunotherapy.

  • Provide omega-3 fatty acid supplements for skin health.

FAQ:

1. What are the most common allergens for dogs?

Dogs are commonly allergic to pollen, mold, dust mites, fleas, and certain food ingredients such as beef, chicken, dairy, wheat, and soy.

2. Can household cleaning products cause dog allergies?

Yes, many cleaning products contain harsh chemicals or fragrances that can trigger allergic reactions in dogs. Always use pet-safe, fragrance-free alternatives.

3. How can I reduce my dog’s exposure to pollen?

Wipe your dog’s paws, legs, and belly after outdoor walks, keep windows closed during high-pollen seasons, and use air purifiers indoors.

4. What foods cause allergies in dogs?

Common food allergens include beef, chicken, lamb, dairy, wheat, soy, and eggs. Food allergies are typically diagnosed through an elimination diet.

5. Should I bathe my dog more often if they have allergies?

Yes, regular baths (every 2–4 weeks) with hypoallergenic shampoo can help remove allergens from your dog’s coat, but avoid over-bathing to prevent skin dryness.

Dr.Emily Carter,DVM
Dr. Emily Carter is a dedicated veterinarian with over 15 years of experience in small animal medicine. She graduated from the University of California, Davis, one of the top veterinary schools in the country, where she earned her Doctor of Veterinary Medicine (DVM) degree.
View all posts by Dr.Emily Carter,DVM

Join The Puainta

Become one of pet parents and get professional tips, immediate product info, updated promotions and discounts, and more surprises from us!

puainta