Why Skin Allergies in Dogs Are on the Rise, and What You Can Do About It

If your dog struggles with itchy skin, paw licking, or recurring ear infections, you’re not alone. In recent years, veterinarians have seen a sharp increase in canine skin allergies—especially in pets living in cities or suburbs.

A new veterinary review by Dr. Rosanna Marsella (University of Florida) points to one main reason: our modern environment. The same factors contributing to allergies in people are now affecting our dogs too.

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The Modern “Exposome”

Your dog’s health isn’t just about their genes — it’s shaped by their environment, diet, and lifestyle. Scientists call this the exposome: the sum of everything an individual is exposed to over a lifetime.

For our dogs, that includes:

• Urban pollution and indoor chemicals;
• Processed, carbohydrate-heavy diets;
• Less outdoor activity;
• Shared stress and anxiety with their owners.

These modern changes have created a “perfect storm” for allergic disease.

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Urban vs. Rural Living

Dogs raised in rural, nature-rich settings—around soil, plants, and other animals—have a lower risk of developing skin allergies.
Those living mainly indoors or in ultra-clean urban environments are more likely to develop itchy, inflamed skin.

Even moderate outdoor exposure and exercise can help reduce allergy risk and improve immune balance.

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Diet and the Gut-Skin Connection

A healthy gut helps build a strong immune system. Studies show that diverse, less-processed diets may protect against allergies, especially when introduced early in life.
However, not all “natural” or “raw” diets are safe — they can cause nutritional deficiencies or infections.

 The best approach: work with your veterinarian to choose a balanced, minimally processed diet suited to your pet’s needs.

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 Pollution, Products, and Stress

Household and environmental chemicals — from detergents to air fresheners — can damage the skin barrier and make allergies worse. Even thirdhand smoke (residue on furniture) contributes to inflammation.

Additionally, dogs mirror their owners’ stress. High stress levels in people and pets are linked to worsened skin inflammation and itchiness.

Small lifestyle changes can make a big difference:

• Use gentle, fragrance-free cleaners and shampoos
• Keep your home smoke-free
• Build daily relaxation and playtime into your dog’s routine

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Simple Ways to Support Healthy Skin

• Increase outdoor activity and natural exposure.
• Keep your dog fit — avoid excess weight.
• Use vet-approved, gentle skin care products.
• Choose balanced nutrition with minimal processing.
• Avoid unnecessary antibiotics.
• Reduce home pollutants and stress.

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 A Shared Health Story

Our dogs’ allergies tell a bigger story: the health of humans, animals, and the environment are deeply connected. By creating a healthier, more natural lifestyle for our pets, we improve our own well-being too.

If your dog struggles with skin allergies, schedule a visit with our team. We’ll help uncover the triggers, strengthen their skin barrier, and guide you through safe, evidence-based lifestyle changes.

 Call or text Pikes Peak Veterinary Clinic, (719) 475-1747, or request an appointment online today. Together, we can help your pet live comfortably: itch-free and happy.