Help! I Think My Dog Has Allergies! (Vet Answered)
This question has been answered by a vet
Veterinarian & Animal Behaviorist
With nearly two decades in veterinary medicine, Dr. Paola brings hands-on experience across multiple species. A graduate of the University of Guadalajara, she specializes in preventive care, animal welfare, and positive reinforcement training.
The Question
“My retriever, Bixby, constantly licks and chews his paws. What is your opinion on purchasing a home allergy test for dogs? Will I receive accurate results that will enable me to eliminate allergens? ” – Joel
Quick Info about Bixby
Hi Joel,
When a retriever like Bixby persistently licks and chews his paws, it usually reflects an ongoing irritation in the skin rather than a simple bad habit. The paw is rich in nerve endings and constantly exposed to the environment, so even mild inflammation can feel like an itch that seems to demand attention. In veterinary dermatology, we refer to this as a sign of discomfort, and it often stems from underlying conditions such as atopic dermatitis, contact irritation, secondary bacterial or yeast overgrowth, or even localized injury. Understanding the root is essential because just addressing the surface appearance without knowing the underlying cause is like treating the smoke without finding the fire.
Home allergy tests marketed for dogs typically measure antibodies in saliva or fur to a wide panel of environmental and food allergens. While this sounds appealing, the scientific literature shows that these tests are not always reliable for diagnosing food or environmental allergies in dogs. Dogs with atopic dermatitis do not produce predictable patterns of circulating antibodies that correlate with clinical disease, and these home kits cannot distinguish between incidental exposure and clinically relevant sensitivity. Elimination diets conducted under veterinary guidance, followed by careful reintroduction of ingredients, remain the gold standard for identifying food-related triggers, just as intradermal skin testing performed by a dermatologist remains the most accurate method for environmental allergens when immunotherapy is being considered.
Before spending resources on an at-home kit that is unlikely to change management, I recommend that Bixby be evaluated in person to identify the type and pattern of irritation, to collect appropriate samples if needed, and to begin a structured approach such as a therapeutic trial diet or targeted skin care protocol. This clinical pathway gives you information that can be acted upon meaningfully, rather than results that may look scientific but do not reliably guide therapy. I hope this makes sense.
– Dr. Paola