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Purina Pro Plan Veterinary Diets Canine HA Hypoallergenic

£36.14 GBP
 per 

£3.99 Delivery (Orders up to £59.99)

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Certified and trusted products
Size: 3kg
Description

A complete hypoallergenic dry food for adult dogs and puppies from 4 months, formulated for dogs with ingredient or nutrient intolerances. Hydrolysed protein and a single purified carbohydrate source minimise allergen exposure for reliable elimination diet feeding.

Why your dog will benefit

  • Hydrolysed protein to reduce immune reaction potential.
  • Single purified carbohydrate source for a minimal-ingredient profile suited to elimination diets.
  • Suitable for lifelong feeding — nutritionally complete for ongoing management of food intolerances.
  • Also suitable for puppies from 4 months.

Features & specification

Important — please read before ordering

  • Consult your vet before feeding a veterinary diet.
  • For a valid elimination trial, no other food, treats or chews for at least 8 weeks.
  • Check-ups at least every 6 months while feeding it.
  • If your pet’s health worsens, seek veterinary advice immediately.

Delivered across the UK — free delivery on orders over £59.99.

Care

General Care & Storage
To get the most out of your Petszo delivery, please keep the following in mind:

  • Edibles: Keep food and treats tightly sealed and stored in a cool, dry environment.
  • Fabrics & Beds: Gently wipe clean or wash at 30ºC (always check the individual label first). Do not bleach.
  • Safety First: Regularly check toys and accessories for damage and remove them if broken.
  • Note: Always refer to the specific packaging for exact instructions.

Getting the most out of your Petszo order comes down to storing things properly and checking them regularly. Here's what matters.

Food and treats

Keep dry food tightly sealed in a cool, dry place away from direct sunlight. Resealing the bag or transferring it to an airtight container helps stop the fats going stale, which is the usual reason a dog or cat suddenly goes off a food they previously liked.

Opened wet food should be covered and refrigerated, and used within about 24 hours. Serve it at room temperature rather than straight from the fridge — cold food is noticeably less appealing to most pets and can be harder on sensitive stomachs.

Many treat pouches contain a small oxygen absorber sachet to keep the contents fresh. This isn't edible — remove and discard it before giving your pet the treat.

Beds, blankets and fabric items

Most fabric items can be gently wiped clean or machine washed at 30°C, but always check the individual care label first — padding and covers vary between products. Don't use bleach, as residue can irritate skin and paws.

Removable covers are worth washing more often than you'd think, particularly for pets with skin sensitivities.

Toys and chews

Check toys and accessories regularly for damage, and remove anything that's cracked, split or losing pieces. Small fragments are a genuine choking and blockage risk.

Always supervise your pet with chews and rawhide products, and take away any piece small enough to be swallowed whole. Match the chew size to your pet — a chew intended for a small dog won't last long with a large one, and creates more risk.

Harnesses, collars and leads

Check the fit periodically, especially on growing puppies and kittens. As a rule you should be able to slide two fingers comfortably under any strap — tighter risks rubbing, looser risks your pet backing out of it.

Inspect stitching, buckles and clips for wear, and replace anything showing damage before it fails on a walk.

Litter trays and small pet enclosures

Scoop clumping litter daily and top up as needed; a full change every 1–2 weeks is typical, more often with several cats sharing a tray. Clean the tray itself with hot water and mild detergent rather than strong disinfectants, some of which are toxic to cats.

For small pet enclosures, spot-clean soiled bedding daily and do a full change weekly.

Switching foods

Introduce any new food gradually over roughly 7–10 days, mixing increasing amounts into the current food. Sudden changes are one of the most common causes of digestive upset, and it's easily avoided.

Always check the product packaging. The guidance here is general — individual products carry their own storage, washing and feeding instructions, and those take precedence. If you're unsure about something, or your pet has a specific health condition, speak to your vet.

Questions about a specific product? See our FAQ or email support@petszo.co.uk.

FAQ

Frequently Asked Questions (FAQ)
We’ve compiled answers to the most common questions about shopping at PETSZO. Can’t find your question? Contact us at +44 7782 276061 or email us at support@petszo.co.uk.

1. What are your delivery times?
Orders are typically processed within 1–3 business days and spend 2–4 business days in transit. You can generally expect your order to arrive within 3–7 business days total. Once your order is dispatched, you will receive tracking information to monitor its progress.

2. What if my order is late?
While we strive for prompt delivery, carrier delays can occasionally happen. If your order does not arrive within the expected timeframe, please reach out to us. If a package is confirmed lost or significantly delayed by the courier, we will issue a replacement or a refund to ensure your complete satisfaction.

3. Can I return an item?
Yes. In compliance with UK Consumer Law, we offer a 14-day return period for most unused and unopened items in their original packaging. Please check our Refund & Return Policy for details and hygiene-related exemptions.

4. How can I track my order?
After your order is shipped, we will provide tracking details via email. You can use this information to check the delivery status directly with the carrier.

5. How do I contact customer support?
If you have questions about your order, shipping, or products, reach out to our support team:
Phone: +44 7782 276061
Email: support@petszo.co.uk

Answers to the questions we're asked most often. If yours isn't here, call +44 7782 276061 or email support@petszo.co.uk and we'll help.

Delivery

How long will my order take to arrive?

We aim to dispatch orders within 1–7 business days of you placing them. Delivery time after dispatch depends on the shipping method chosen at checkout. You'll receive tracking details by email once your order is on its way, so you can follow its progress with the carrier.

Do you offer free delivery?

Yes — delivery is free on all UK orders over £59.99. Orders below that threshold are charged at the rate shown at checkout before you pay.

Where do you deliver?

We currently deliver within the United Kingdom only. We don't ship internationally at present. Please note that a small number of items are shipped from outside the UK and may take a little longer to arrive — this is noted on the individual product page where it applies.

What if my order is late?

Carrier delays occasionally happen, particularly around public holidays or in bad weather. If your order hasn't arrived within the expected timeframe, get in touch with your order number and we'll chase it. If a package is confirmed lost or significantly delayed by the courier, we'll send a replacement or issue a refund.

How do I track my order?

Once your order ships, we email you tracking details. Use these to check live delivery status directly with the carrier.

Returns & refunds

Can I return something if I change my mind?

Yes. Under UK consumer law you have 14 days from receiving your order to tell us you'd like to cancel, and a further 14 days to send the items back. Items need to be unused, in their original packaging and in the condition you received them. Return postage for change-of-mind returns is at your cost. Full details are in our Refund & Return Policy.

What if my order arrives damaged or incorrect?

We'll put it right. Under UK law you have up to 30 days to reject a faulty item for a full refund. For transit damage, contact us ideally within 48 hours of delivery with photos of both the item and the packaging. We cover return postage on faulty or incorrect items and will offer a full refund or a replacement.

Are there items I can't return?

For hygiene and safety reasons, opened or unsealed pet food and treats, used grooming products, personalised items and gift cards can't be returned unless they're faulty.

How long do refunds take?

Once we've received and inspected your return, we'll let you know whether it's approved. Approved refunds are processed within 14 days of us receiving the goods, back to your original payment method.

Can I cancel an order before it ships?

Yes — email support@petszo.co.uk with your order number any time before dispatch. If it's already gone out, you can return it under the 14-day change-of-mind period once it arrives.

Products

Do I need a prescription for veterinary diets?

No prescription is legally required in the UK to buy veterinary diet foods. However, these products are formulated for diagnosed conditions, so we strongly recommend speaking to your vet before starting one — and having your pet checked at least every six months while feeding it. If your pet's health worsens, seek veterinary advice straight away.

How should I switch my pet to a new food?

Gradually, over roughly 7–10 days. Mix a small amount of the new food into the current one and increase the proportion each day. Switching abruptly is a common cause of digestive upset.

How do I store pet food once it's open?

Keep dry food in a cool, dry place, ideally resealed or in an airtight container to stop the fats going stale. Opened wet food should go in the fridge and be used within about 24 hours. Always check the individual packaging, as some products have specific requirements.

Contact

How do I get in touch?

Phone: +44 7782 276061
Email: support@petszo.co.uk

Please include your order number when contacting us about an existing order — it speeds things up considerably.

Shipping & Returns

Last updated: 16 August 2026

This policy explains how we process, dispatch and deliver orders, and what to do if something goes wrong.

1. Delivery charges

Delivery is free on all UK orders over £59.99. For orders below that value, the delivery charge is calculated and shown at checkout before you complete your purchase — you'll never be charged an amount you haven't seen first.

2. Order processing and dispatch

We aim to dispatch orders within 1–7 business days of the order being placed. Business days are Monday to Friday, excluding UK public holidays.

Once your order has been processed you'll receive a confirmation email, followed by tracking details where available.

3. Delivery times

Time in transit after dispatch depends on the delivery method selected at checkout and your location. Total time to receive your order is therefore the dispatch window above plus the carrier's transit time.

A small number of products are shipped from outside the UK and take longer to arrive. Where this applies, it is stated clearly on the individual product page.

4. Delivery area

We currently deliver within the United Kingdom only. We do not offer international shipping at present.

Please note that a small number of bulky items cannot be delivered to Northern Ireland. Where this restriction applies, it is noted on the product page.

5. Tracking your order

Once your order ships, we'll email you tracking information where available. You can use this to check the live delivery status directly with the carrier.

6. Delays

Some delays are outside our control — carrier backlogs, severe weather, and public holidays being the most common. If your order hasn't arrived within the expected timeframe, please contact us with your order number and we'll investigate.

If a package is confirmed lost or significantly delayed by the courier, we will send a replacement or issue a refund.

7. Incorrect delivery addresses

Please check your delivery address carefully at checkout. If you spot a mistake, contact us immediately — we can usually correct it before dispatch. Once an order has shipped to an address you provided, we may not be able to recover it.

8. Contact us

For any questions about shipping or the status of an order:

Phone: +44 7782 276061
Email: support@petszo.co.uk

Please include your order number — it makes everything faster.

Petszo is a trading name of UZMA QASIM LTD (company number 16856550). We reserve the right to update this policy; the date at the top of this page reflects the most recent revision.

See also: Refund & Return Policy · FAQ

Add to Cart Select The Options Above
  • 5 stars: 16 (80%)
  • 4 stars: 2 (10%)
  • 3 stars: 1 (5%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (5%)
A
Ava
Vet’s advice but wary of nutrition value

Advised to try this brand as part of an allergy investigation for my dog. My main concerned is the nutritional value.

N
Nadine
Finally cured

My 3yo Schipperke has chronic gastro-enteritis and vomited on average 3-4 per week since adulthood. Took a long time to finally get a diagnosis. This was the second hypoallergenic brand we tried, and it works! Two months vomit-free so far! So happy! \nOnly negative is that it makes him very constipated so we'll try to complement with the Purina HA wet food if it doesn't bring symptoms.

E
Emma Wiggins
Proplan HA s constipated 😞

My vet put my German Shepherd on this dry food but it has made him constipated which he has never had before. It looks like kids cereal and smells like it to 😞 but if it clears up the skin allergy he has I will finish the bag but then change to something else.

N
Neil
Much better than chicken and rice for an upset tummy

My Golden Retriever will occasionally get dreadful diarrhea most likely from eating or drinking something horrible on walks. If she's okay otherwise then after a 24 hour food pause we move to chicken and rice but if that doesn't clear things after 3 or 4 days then I feed her this, which she loves and her tummy is back to normal in 24 hours. Then we slowly transition back to her regular food.\nOur vet suggested this plan and it works very well for us.

A
Ava
Dog with IBD

My dog had to be on this food for four months following a bad bout of gastroenteritis and diagnosis of IBD. She did very well on it and regained her lost weight. Although she can have other food now, she still enjoys having Purina HA and if she does get an upset tummy this is my go to product.

J
Jeanette Brindley
Jinty

Having at 5 months old contracted giardia and being very ill my Labrador was left suffering with bouts of diarrhoea which became worse and he lost weight rapidly resulting in vet referring him to small animal hospital who after loads of tests found nothing they try HA which I did and within days firm stools and now putting on weight he loves i\n\n\n\n\n I had tried loads of different dog foods and they recommended HA Hypoallergenic. Within 4 days diarrhoea had disappeared and stools very

T
Trisha
Weight loss?

3kg toy poodle, scratch, itch, bite, all day long, tried Al different vet remedies, apoquel, steroids, injections-- she's been like a guinea pig poor thing since April. Then vet put her on this exclusion diet, fortunately she eats anything so no problem-I have a game with her, hiding the little white pellets in her bedding etc and she thinks it's fun. Seems to have stopped the itching, and her poo not stinky- BUT she is losing weight(3kg dog, 80g per day)See vet Monday

A
Arlo’s mum
Dog doesn’t recognise it as food

No smell, no taste. None of my 5 will touch it! Ok it’s hypoallergenic but that’s not helpful if the (usually greedy) dog who eats ANY kibble won’t eat it. He’s so hungry he’s stressed but is confused by my offering this completely taste-free, artificial, colourless ‘food’ in place of the usual Greenwoods Insect which they all love. IBD trial for 6 weeks gonna be dull as hell for him. He’s puking hungry bile and all 5 are refusing this expensive, artificial stuff, choosing instead to go hungry.

a
alastair mckenzie
Product settled both my dogs stomachs

Having been put on this by my vet when one of my dogs had a serious blood in Pooh problem it had a quick effect on the digestive system of both my I’ll dog and her brother who was always having stomach problems and a lot of gas . The gas has gone and the formula of the food must be such that it dissolves in the gut as their Pooh production drastically reduced and was perfectly formed . It’s not the most exciting formula but mix with the wet option. Well worth a try for any dog with stomach issue

B
Barbara Dewing
improvement on my dogs conditions

my dog is a German Shepherd and has had a food allergy with meat for over 3 years. This dog food was recommended by a vet and I have seen a vast improvement in her skin conditions

A
Alix Curtis
Great for Reflux dogs

Our 9 year old dog had been sufferng wth acid reflux for about 3 years before our vet recommended we swap food to this. We had tred many avenues to help her suffering all had been lmted in the helpng so didn't hold out much hope for this food. Wow we were so wrong, since the swap we have had hardly any epsodes and those she has had we can find a reason behind them. I would recommend this food to anyone who has a dog with gastro problems.

T
Tory Wilson
Amazing stuff

My little JRT struggles with allergies and we have tried raw food, homemade food and a huge number of different dried kibble (grain free and grain inclusive). The Hydrolysed pro plan has had amazing results for him in just two weeks! No itching and he absolutely loves the food when previously he always just picked all day long. Now he eats the whole bowl as soon as we put it down. Our non allergic dog is also on it and she loves it too!

D
Dale
Settled our staffies bad gut

Constant bouts of the runs and blood in it almost completely cured by this food still an odd episode but mostly fine now nothing except this food allowed so we feed it wet in the morning dry at night and like another post here we soak some in warm water squeeze into shapes and bake at 180 until brown it gives her a couple of treats a day

S
Sherry Davies
Great for pancreatitis sufferers

My dog suddenly began suffering with pancreatitis. 6 weeks on this food and he is fine now. It is very boring and my dog doesn't really like it much. It is very dry, so I use a meatless gravy to moisten it and give it some flavour.

M
Mia
Worked like a miracle after Pancreatitis diagnosis

Our 2YO Doodle was incredibly poorly at the start of the year with pancreatitis. 6 weeks on another prescription wet food he was not getting better! We then saw a specialist who suggested Purina HA, gave use some to try the day of lockdown then we sourced some from here. What an absolute turn around in just 3 days. I can honestly say 3 months on his energy has never been so good and his coat is beautiful. We even mix it with a little water to form a dough and bake biscuits for him out of it

V
Vivienne Gould
Better than expected!

My young dog became unwell and was diagnosed with IBD in December 2019 her stomach and intestines were very inflamed. Once a diagnosis was reached the vet recommended Purina Pro Plan HA to feed her, and only that, no treats or wet food. He said it would give her stomach a chance to heal. He was right. She quickly regained the weight she had lost and is full of energy. Highly recommend this product.

F
Fiona Cooper
Has transformed my dogs health

My Bull terrier suffers from many allergies, including skin and dietary. This food although bland looking has made him a much happier 11 year old!!!

S
Sue Robinson
My dog loved it & it's good for her!

Recommended by our vet for my dog with pancreatitis. It suits her, and this is the cheapest source I have found.

E
E Brewin
Pancreatitis diagnosis

This food was recommended by our vet following my dogs two Pancreatitis attacks. He enjoyed it from the start although it took him a few weeks to feel full after meals. He’s plenty of energy and his coat looks amazing so after seven weeks I am really pleased we changed to this food. Highly recommend, thanks Purina

L
Lily
Very noisy tummy diahorrea and expensive vet referral bills

My 8 year old yorkie was very poorly a few months ago with diahorrea, vomiting and a growling stomach. It got so bad when he had dark blood in his poo that he was referred to a specialist vets. After many tests which were inconclusive he was put on this food and absolutely nothing else including treats he’s been fine since. Also put my other dog with problem diahorrea on it and all cleared up. Very good product.