Pekingese food allergy itching: vet-recommended fix

With mites and pollen already ruled out by your vet, a food trigger is a very reasonable next suspect — and you're in the right place to tackle it. True food allergies in dogs are actually less common than food intolerances, but both can cause persistent itching, and the most reliable way to identify the culprit is an elimination diet using a novel or hydrolysed protein source your dog has never eaten before. To point you toward the right food: what are the main symptoms you're seeing beyond the itching — any skin redness, ear issues, or digestive upset? And what has your Pekingese been eating up until now?

That pattern — face and paws, with redness — is a classic presentation for a food-related reaction, and three years on the same chicken formula is plenty of time for a sensitivity to develop. Chicken is actually one of the more common triggers in dogs. Since your vet wants to reassess in eight weeks, you need a food with a genuinely novel protein — something she's never had — so you can get a clean result from the trial. Has she ever eaten fish, duck, or venison-based food before?

Perfect — that makes fish a strong candidate for the elimination trial. My recommendation is Forthglade Complete Meal Grain-Free Salmon & Trout dry food. It uses a single novel protein source, has no chicken, turkey, or common fillers like wheat and soy, and it's well-suited to older small-breed dogs like Pekingese. The grain-free formula also removes another common irritant variable. For the trial to work, it needs to be the only food she eats for the full eight weeks — no treats, no table scraps, nothing else. Stick strictly to this and you'll have a genuine result to take back to your vet.

You might see some improvement in three to four weeks, and that's encouraging when it happens — but eight weeks is the proper standard for a reliable trial. Food-triggered inflammation can take time to fully clear from the system, and a partial improvement at four weeks can look deceptively like a coincidence. Your vet has asked for eight weeks for good reason: if she's significantly better at the end, that's strong evidence for a food trigger. If she's not, you can rule it out confidently and investigate other causes. Stick the full course and you'll have something solid to work with.

Good plan — and well done for following this up properly. Keep a simple diary of her symptoms week by week; even just a quick note on her itch level and any skin changes. It makes the conversation with your vet at eight weeks much more useful. If she does improve and you want to confirm the trigger, your vet can guide you through reintroducing chicken to see if symptoms return — that's the proper confirmation step. Hope she feels better soon.