Beagle food allergy elimination diet restart

It sounds like you've already been through the frustration of an elimination diet that didn't quite work — which is actually really common, because the process is surprisingly easy to get wrong. True food allergies in dogs are less common than food intolerances, but both respond well to a properly run elimination diet using a single novel or hydrolysed protein. To point you in the right direction: what breed and age is your dog, what symptoms are you still seeing, and what did the elimination diet you tried look like — did anything else slip in during the trial period?

Yes, that's exactly where it went wrong — and you're not alone, most people make that same mistake. The whole point of an elimination diet is that literally nothing else goes in: no treats, no table scraps, no flavoured toothpaste, nothing. Even a small amount of the offending protein can keep the immune response ticking over and make the whole trial meaningless. The itchy paws and ears plus the loose stools is a classic combination that does suggest a food trigger rather than an environmental allergy. Has he been checked by a vet to rule out a skin infection from the chronic scratching, or is that still on the to-do list?

That's really useful — clean bill of health on infections means you can focus properly on the diet. Your vet's instinct about hydrolysed protein is a good one, and here's why it's worth doing properly this time: hydrolysed proteins are broken down into pieces too small for the immune system to recognise and react to, so even if salmon was actually a trigger before, a hydrolysed version sidesteps that entirely. For a Beagle his age and size I'd recommend Royal Canin Veterinary Diet Hypoallergenic Dry Dog Food. It uses hydrolysed soy protein and a single carbohydrate source, and it's specifically formulated for dogs with food intolerances and skin reactions. You run it for eight weeks minimum — no treats, no extras, nothing — and if his symptoms clear up, you've confirmed a food trigger. Then you can reintroduce single ingredients one at a time to find the culprit.

Totally understand — Beagles are notoriously treat-obsessed. The easiest solution is to set aside a small portion of his daily kibble allowance and use that as treats throughout the day. You can also use plain cooked pieces of a novel protein that isn't in his new food — but only if you're certain it's something he's genuinely never eaten before, and you introduce it right at the start so if he reacts you know it's that. A lot of people use small pieces of plain boiled turkey or venison. What you absolutely cannot do is use commercial treats, which almost always contain hidden proteins and flavourings. Keep a simple diary of his symptoms week by week — you'll likely see improvement around weeks four to six if food is the issue.

Royal Canin Hypoallergenic is available on Amazon UK without a prescription — it sits in their veterinary diet range but is sold over the counter. You can get it in a 2kg bag to try first, or a 7kg or 14kg bag once you're committed to the trial. Given your vet has already flagged the food route and examined him recently, you're fine to go ahead without another consultation, though it's worth dropping her a message to say you're starting the trial properly this time. Eight weeks, nothing else in — and I'd genuinely expect to see a meaningful difference in his paw chewing and ear irritation by the halfway point if food is driving it.