Dog food for skin allergies
Skin problems in dogs have plenty of causes, and food is only one of them — but when a vet has ruled out fleas, mites and an obvious allergen, a food trial is often the next step. This page explains what the label terms actually mean before you buy, so you are choosing a food for the right reason rather than because the bag says 'sensitive'.
What 'hypoallergenic' and 'limited ingredient' actually mean
'Hypoallergenic' is not a regulated term with one fixed meaning — on most bags it means the recipe is built around a single named protein and kept free of some common triggers, rather than a guarantee against every possible reaction. 'Limited ingredient' means fewer components overall, which makes it easier to spot what a dog does and does not react to.
Neither label tells you which specific ingredient is behind your dog's skin problem. That is usually worked out by an elimination trial — a single novel protein fed on its own for a set period, under a vet's guidance — rather than by picking a bag because of what the front of it says.
What tends to help at the bowl
A single named protein your dog has not had before is the most useful starting point, since a repeat reaction to a protein they already eat regularly is one of the more common causes of ongoing itchiness. Fish and duck recipes are popular choices precisely because they turn up less often in everyday dog food than chicken or beef.
Added omega-3 and omega-6 fatty acids, often listed as fish oil or linseed oil, support skin condition generally rather than treating an allergy directly — they are worth having in a food regardless of what is actually causing the itchiness.
Wet food can suit a dog who is also drinking more or seems uncomfortable after eating, simply because it adds moisture and is often easier to digest than a dense dry kibble, though this varies dog to dog.
What a food change will not fix
Fleas remain the single most common cause of itchy skin in dogs, and no food change will make a flea allergy better while fleas are still present — that needs proper flea control first, from your vet or a reputable product, not a different bag of food.
A one-off change is not a trial. Elimination trials typically run for several weeks on the new food alone, no titbits, no flavoured medication, no change part-way through — switching foods every fortnight because the itching has not stopped in three days will not tell you anything useful.
When to get it checked properly
See your vet before starting a food trial if your dog is losing hair, has broken or infected skin, is scratching to the point of drawing blood, or the itching has come on suddenly rather than built up gradually. Skin infections need treating in their own right, and a food change alone will not clear one up.
A vet can also rule out fleas, mites and environmental allergies before you spend weeks on a food trial that was never going to solve a problem food had nothing to do with.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Forthglade Cold Pressed Natural Turkey
Cold-pressed turkey kibble for dogs from 2 months, soft enough to mix with water for young pups
£45.99
Forthglade Cold Pressed Grain Free Salmon
Cold-pressed grain-free dry food for dogs, built on fresh and dried salmon
From£16.99
Forthglade Cold Pressed Grain Free Duck
Cold-pressed grain-free duck food with fruit and botanicals, in two bag sizes
From£16.99
Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99
Forthglade Complete Meal Lightly Baked Turkey
A lightly baked complete dry food, 50% turkey, for adult dogs of any breed
From£12.49
Forthglade Complete Meal Lightly Baked Chicken
A grain-free complete dry food for adult dogs, lightly baked and built on 50% chicken
From£12.49
Forthglade Cold Pressed Small Dog Turkey
Cold-pressed grain-free dry food for small dogs and puppies, built on turkey
£16.99
Forthglade Complete Meal Lightly Baked Lamb
A lightly baked complete dry food, 50% lamb, for adult dogs of any breed
From£12.49
Forthglade Cold Pressed Grain Free Turkey
Grain-free cold-pressed turkey kibble for dogs, gentle on sensitive stomachs
£69.69
Forthglade British Classics Chicken Family Lunch
Complete Forthglade wet dog food with 75% chicken in a 395G tray
£2.45
Harringtons Puppy Turkey & Rice
Complete turkey puppy food with 30% protein and feeding bands by adult weight
£6.49
Harringtons Adult Dog Turkey Veg
Complete dry food for adult dogs with turkey, chicken and salmon oil, 21% protein
From£3.39
Common questions
- Can a food change cure my dog's skin allergy?
- It can improve or resolve skin problems that are genuinely caused by a food allergy, but not every skin issue is food-related — fleas, mites and environmental allergies all cause similar symptoms and need a different approach. If the itching does not improve on a new food, that is worth discussing with your vet rather than trying another bag.
- How long does a food trial take to work?
- Most elimination trials run for several weeks of the new food alone before any real judgement can be made, since skin takes time to settle even once the trigger is removed. Your vet can advise on how long to give it for your dog specifically.
- Is grain-free food better for skin allergies?
- Not automatically. Grain is a much less common trigger than a specific animal protein, so simply removing grain without changing the protein source often makes little difference. The protein in the recipe usually matters more than whether it contains grain.
- Can I just try a few different foods to see what works?
- It is better to work through one properly conducted trial with your vet's guidance than to swap bags every few weeks, which makes it much harder to work out what actually helped and can unsettle your dog's stomach on top of the skin problem.
- Should I see a vet before changing my dog's food?
- Yes, particularly if the skin looks sore, infected or your dog is losing hair, since those need treating in their own right and a food change alone will not clear them up. A vet can also rule out fleas and mites first.
Related
Sources
Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.