Medical disclaimer. This guide is educational and does not diagnose or treat disease. A dog yeast infection is confirmed by cytology at your vet practice. If your dog is in pain, has a head tilt or is getting worse, contact your vet today — or an out-of-hours vet if the practice is closed.
Written by the Pure Majesty Pets editorial team for UK dog owners, using UK first-opinion vet data from the Royal Veterinary College's VetCompass programme, PDSA guidance and the WAVD consensus guidelines. Last updated: 7 October 2026.
Quick answer: a dog yeast infection — overgrowth of the skin yeast Malassezia pachydermatis on the skin or in the ears — is one of the commonest reasons British dogs end up at the vet with itchy skin and smelly ears. In the UK it clusters in a predictable set of breeds (West Highland White Terriers, French Bulldogs, English Bulldogs, Pugs, Basset Hounds and Labradors, chocolate ones especially) and flares when our damp climate keeps ears, paws and skin folds wet. Getting it diagnosed at a UK practice is quick — a tape or swab test read under the microscope — the medicated treatments are prescription-only (POM-V), and the long-term job is managing whatever triggered it.
For the daily support layer that runs alongside your vet's plan, our top pick for UK owners is Pure Majesty Pets Dog Yeast Infection Treatment drops: 19 named actives at roughly 292 mg per mL, mixed into food, £25 with free delivery to the UK and duties and VAT prepaid — nothing to pay the courier or Royal Mail when it arrives.
Our top daily pick for UK owners: Pure Majesty Pets yeast support drops — £25
19 named actives, ~292 mg per mL, every amount on the label · free delivery to the UK · duties and VAT prepaid · certificate of analysis on every batch
See the yeast drops — £25 →Daily support alongside your vet's plan — not a substitute for diagnosis or prescription treatment.
Dog yeast infection in the UK at a glance
- How common: a Royal Veterinary College VetCompass study found 7.3% of dogs under UK vet care were diagnosed with ear inflammation (otitis externa) in a single year — and yeast is one of its commonest drivers.
- Who gets it: UK vet records point to Westies, flat-faced fold breeds (English Bulldogs, French Bulldogs, Pugs), long-eared breeds such as Basset Hounds, and Labradors.
- Why here: the Met Office records roughly 155–160 days a year with at least 1 mm of rain, so ears, paws and folds stay damp for much of the year.
- Diagnosis: cytology at your own practice — a tape strip or ear swab stained and read under the microscope, usually during the consultation.
- Treatment rules: the reference shampoo (Malaseb) and antifungal tablets and ear drops are POM-V medicines — prescription only. Supplements are sold as complementary feed and may not claim to treat disease.
- What it costs: a standard consultation was £58 at the RVC's Beaumont Sainsbury Animal Hospital in London (price list from August 2025) and £49.38 at an independent practice in Grimsby (July 2026); tests and medicines are extra.
If you are still working out whether your dog's problem is yeast at all, start with our dog yeast infection guide with real photos by body part, then come back here for the British side of the story.
Which UK breeds get yeast infections most? (VetCompass data)
VetCompass is the Royal Veterinary College's research programme that analyses anonymised records from first-opinion vet practices across the UK — the everyday practices British owners actually use, rather than referral hospitals. Its breed studies give the clearest picture of where yeast-prone skin and ears turn up in British dogs. Malassezia itself is rarely recorded as a separate diagnosis, so the figures below track the conditions it rides on: ear inflammation (otitis externa), skin fold dermatitis and allergic skin disease.
| Breed | What UK vet records show | Where yeast usually shows | Owner focus |
|---|---|---|---|
| West Highland White Terrier | Skin disorders were the most common group of problems, recorded in 22.7% of 6,605 Westies in one year; otitis externa 10.6%; allergic skin disease 6.5% (O'Neill et al., 2019) | Belly, armpits, feet, ears; greasy grey skin with a strong smell in chronic cases | Allergy control is the whole game; brown staining shows early on the white coat |
| French Bulldog | Otitis externa was the single most common disorder, in 14.0% of 2,228 Frenchies; skin fold dermatitis 3.0% (O'Neill et al., 2018); 26 times the odds of skin fold dermatitis versus crossbreeds (O'Neill et al., 2022) | Ear canals, facial folds, tail pocket | Daily fold cleaning and drying; ear checks after baths and wet walks |
| English Bulldog | 49 times the odds of skin fold dermatitis versus crossbreeds — the highest of any breed studied (O'Neill et al., 2022) | Nose roll, lip folds, tail pocket, armpits | Folds must be dried after every wash and every rainy walk |
| Pug | 16 times the odds of skin fold dermatitis versus crossbreeds (O'Neill et al., 2022) | Nose fold, face, armpits | Gentle daily fold routine; weight control keeps folds shallower |
| Labrador Retriever | Otitis externa was the most common disorder (10.4%); among dogs with a recorded coat colour it reached 23.4% in chocolate Labradors versus 12.8% in black and 17.0% in yellow (McGreevy et al., 2018) | Ears after swimming, paws, armpits | Dry the ears after every swim in a river, lake or the sea |
| Basset Hound | Almost six times the odds of otitis externa versus crossbreeds (O'Neill et al., 2021) | Ear canals, lip folds, neck folds | Routine ear checks; long ears trap warmth and moisture |
| English Cocker Spaniel | A 2024 VetCompass study found much lower odds of atopic dermatitis (odds ratio 0.14) than other breeds (Engdahl et al., 2024) | Heavy, hairy ears | Recurrent yeasty ears in a Cocker are worth a proper work-up rather than assuming allergy |
Two practical points follow. First, if you own one of these breeds — or a cross of them, such as the many Cockapoos, Labradoodles and Frenchie crosses on British streets — treat yeast as something to manage over the dog's lifetime rather than a one-off. Second, the breed tells your vet where to look, but not why it happened: the same Westie can have yeast driven by allergy one year and by a hormonal problem later in life.

Photo: Martins and Quesada, 2022, Fig. 1a · CC BY 4.0. Panel extracted from the original figure.
Why the British climate keeps yeast going
Malassezia thrives on warm, moist, greasy skin. The UK supplies the moisture in three distinct ways across the year, and it helps to know which one you are fighting.
- Wet walks, autumn to spring. With rain on roughly 155–160 days a year (Met Office 1991–2020 averages), many British dogs come home with soaked feet, armpits and ear flaps most days from October to April. Skin that is damp for hours a day loses its barrier — and the yeast does the rest. Our wet-weather home care plan for dog yeast sets out the bathing and drying routine step by step.
- Pollen and muggy weather, late spring to summer. Grass pollen season runs roughly May to July in Britain, and atopic dogs itch, lick and chew — saliva keeps the skin wet even when the weather is dry. Warm, humid spells in July and August then give the yeast ideal conditions.
- Harvest mites and central heating, late summer to winter. The PDSA notes harvest mites are most active from July to November, biting between the toes, on the legs and tummy; the itch and licking that follow often tip a yeast-prone dog over. In winter, centrally heated homes keep skin folds warm while gritted, salted pavements irritate paws — more licking, more moisture.
Because harvest mites, pollen allergy and even fox mange can look a lot like yeast on a British dog, we have a separate guide to dog yeast infection lookalikes in the UK — worth reading before your appointment so you can tell your vet what you have seen.
How UK owners get a yeast infection diagnosed
There is no need for a specialist to confirm yeast: any UK first-opinion practice can do it, usually within the consultation. Here is how the pathway normally runs, from the first appointment to a referral if it keeps coming back.

Photo: Peano et al., 2020, Fig. 3 · CC BY 4.0. Resized for display.
1. Book with your own vet (or find one)
If you are not registered with a practice, the RCVS Find a Vet directory lists practices near you. Before the appointment, take clear photos of the worst areas in daylight, note when it started and whether it followed wet walks, swimming, a change of food or a course of antibiotics, and write down every product you have tried. If your dog has sudden severe ear pain, a head tilt, loss of balance or broken, bleeding skin out of hours, use your practice's out-of-hours service or a dedicated provider such as Vets Now rather than waiting.
2. The consultation and cytology
Your vet will examine the skin and look down both ear canals with an otoscope — the eardrum has to be checked before anything goes in. To confirm yeast, they press clear tape onto the skin or take a swab of ear discharge, stain it and look for the yeast's peanut-shaped budding cells under the microscope. It takes minutes and tells your vet whether it is yeast, bacteria or both. Expect a consultation fee in the region of £50–£60 (examples above), plus the cost of tests and any medicine; practices set their own prices, so ask for an estimate.
3. Ruling out the lookalikes
Where mites are possible — harvest mites in late summer, or sarcoptic mange — your vet may do skin scrapes or a trial treatment. If a skin or ear infection has not responded to first-line treatment, a sample may be sent to a laboratory for culture to see which organism is present and which medicines will work.
4. Treatment, the written prescription and the recheck
For skin yeast, the WAVD consensus guidelines (first author Ross Bond, of the Royal Veterinary College) rate a 2% miconazole / 2% chlorhexidine shampoo used twice weekly as the best-evidenced topical option; in the UK that is Malaseb, a POM-V medicine. Ears get prescription ear drops, and severe or widespread cases may get antifungal tablets, which UK vets often prescribe under the cascade. You can ask for a written prescription and buy the medicine elsewhere; following its market investigation, the Competition and Markets Authority is capping written prescription fees at £21 (£12.50 for each extra medicine), phased in during 2027. Expect a recheck at around two to four weeks. Our guide to dog yeast infection treatment in the UK covers the prescription options and online prices in detail, and dog ear yeast infection treatment in the UK covers the ear side.
5. If it comes back: the allergy work-up
A second or third episode means the trigger has not been found. The usual next step is a food trial: the PDSA explains this means feeding a veterinary diet and nothing else — no treats, no dental sticks — for six to twelve weeks, and that blood tests for food allergy in dogs are not accurate, so the trial is the test. If food is ruled out, environmental allergy (pollens, house dust mites) is the likely driver, and your vet may discuss allergy testing to plan long-term control. Older dogs with new, widespread yeast may also have blood tests for an underactive thyroid or Cushing's disease.
6. Referral to a dermatologist
For chronic or complicated cases, your vet can refer you to a veterinary dermatologist — the RCVS lists recognised specialists and advanced practitioners in veterinary dermatology. Referral is more expensive than first-opinion care, so check what your pet insurance policy covers for ongoing skin conditions and referrals before you need it.
Diagnosed, treated — and want to keep the next flare smaller?
Our yeast support drops are a daily, food-mixed formula to support normal skin, ear and paw condition while your vet manages the cause. £25 · free UK delivery · duties and VAT prepaid.
What UK owners can buy without a prescription
Once your vet has confirmed the diagnosis, maintenance between flare-ups is where over-the-counter products earn their place. These are the main types sold in the UK, with prices we saw on live UK retailer pages (checked October 2026 — prices change, so treat them as a snapshot).
| Type | UK example | What it is for | Price seen |
|---|---|---|---|
| Chlorhexidine shampoo | Douxo S3 PYO, 200 mL (3% chlorhexidine) | Maintenance washes between medicated courses; label says leave on 5–10 minutes | £16.75 at VetUK |
| Antiseptic ear solution | Otodine, 100 mL (chlorhexidine + Tris-EDTA) | Ear cleaning where your vet has confirmed the eardrum is intact | £24.99 at PDSA Pet Store |
| Gentle ear cleaner | Pure Majesty Pets Dog Ear Cleaner, 120 mL (chlorhexidine-free, pH 5.0–5.5) | Routine wax and odour control after swims and baths | £23, free UK delivery |
| Daily yeast support supplement | Pure Majesty Pets yeast support drops (19 actives, ~292 mg per mL) | Inside-out support for skin, ears and paws alongside your vet's plan | £25, free UK delivery |
What you cannot buy over the counter: the 2% miconazole / 2% chlorhexidine shampoo, antifungal tablets and most medicated ear drops are POM-V, so they need a vet's prescription even when you buy them online. Be wary of human products too — pure tea tree oil should never go on a dog's skin, according to the Veterinary Poisons Information Service, and if your dog has been exposed, ring your vet or the Animal PoisonLine on 01202 509000.
Where our drops fit for UK owners
An active yeast infection needs antifungal treatment from your vet; no supplement treats it, and under UK feed law a supplement sold as complementary feed is not allowed to claim it does. What a well-built daily formula can do is support the skin barrier, coat and digestive comfort during and after treatment — the months when recurrences actually happen.
That is the job of the Pure Majesty Pets dog yeast infection treatment drops. Every amount is published per 1 mL: caprylic acid (MCT C8) 45 mg, MSM 45 mg, wild Pacific salmon oil 35 mg, L-glutamine 25 mg, a Saccharomyces boulardii postbiotic 20 mg, apple cider vinegar and NAC 18 mg each, berberine (Berberis aristata) and quercetin 15 mg each, Pau d'Arco and calendula 8 mg each, oregano standardised to 70% carvacrol 4 mg and zinc 2 mg, on a botanical base of pumpkin, slippery elm, marshmallow root, DGL liquorice, aloe and ginger — roughly 292 mg of active support in every mL. Zinc contributes to the maintenance of normal skin and coat, and the salmon oil supplies long-chain omega-3s. The botanicals are included at supportive levels, and we say so plainly rather than borrowing laboratory data.
Why UK owners choose them over a supermarket chew: it is a liquid you mix into food, dosed to your dog's weight per the label, so it suits fussy eaters and small breeds; it costs £25; delivery to the UK is free; and duties and VAT are prepaid, so there is no surprise customs charge when the parcel arrives. Each batch is made in North America under GMP and comes with a certificate of analysis. Check with your vet first if your dog takes other medicines, is pregnant or nursing, or is due for surgery, because some botanicals (berberine, Pau d'Arco) can interact.
When to call the vet straight away
- Head tilt, loss of balance, flicking eyes or sudden deafness — possible middle or inner ear involvement
- An ear too painful to touch, or bloody or pus-like discharge
- Skin that is raw, weeping or bleeding
- Lethargy, poor appetite, weight loss, or drinking and weeing more than usual
- No improvement within 7 to 10 days of starting treatment
If it is out of hours and your dog is in pain, use your practice's out-of-hours vet rather than waiting for Monday.
The best daily partner to your vet's plan: Pure Majesty Pets yeast support drops — £25
292 mg of fully disclosed actives per mL · made in North America under GMP · certificate of analysis on every batch · free delivery to the UK, duties and VAT prepaid — nothing to pay on arrival
Order the yeast support drops — £25 →Frequently asked questions
How common are yeast infections in dogs in the UK?
Very common. Yeast is rarely recorded as a diagnosis on its own, but the conditions it drives are: a VetCompass study found 7.3% of UK dogs were diagnosed with otitis externa in a single year, and in breeds such as French Bulldogs and Labradors ear inflammation was the single most common disorder recorded.
Which dog breeds get yeast infections most in the UK?
UK vet records point to West Highland White Terriers, flat-faced fold breeds (English Bulldogs, French Bulldogs and Pugs), long-eared breeds such as Basset Hounds, and Labradors — chocolate Labradors had otitis externa recorded in 23.4% of dogs in one VetCompass study. Crosses of these breeds tend to share the same hotspots.
Do I need to see a vet for a dog yeast infection in the UK?
Yes for a first episode. Your vet needs to confirm it is yeast with cytology and check the eardrum before anything goes into an ear, and the most effective medicated shampoo, antifungal tablets and most ear drops are POM-V medicines that need a prescription.
How much does it cost to get a dog yeast infection diagnosed in the UK?
Practices set their own prices. As examples, a standard consultation was £58 at the Royal Veterinary College's Beaumont Sainsbury Animal Hospital in London and £49.38 at an independent practice in Grimsby; cytology and medicines are added on top, so ask your practice for an estimate.
Why does my dog's yeast infection flare up every autumn and winter?
Usually because wet walks keep paws, ears and folds damp for hours a day, and centrally heated homes keep folds warm. Harvest mites (July to November) can add to the itch. Thorough drying after every walk and managing the underlying allergy make the biggest difference.
Can I buy dog yeast shampoo without a prescription in the UK?
Not the 2% miconazole / 2% chlorhexidine shampoo, which is POM-V. Chlorhexidine-only shampoos such as Douxo S3 PYO are sold over the counter and are useful for maintenance once your vet has confirmed the diagnosis.
Do you deliver the yeast drops to the UK, and will I pay customs?
Yes. Delivery to the UK is free, and duties and VAT are prepaid, so there is nothing to pay the courier or Royal Mail when the parcel arrives. The drops cost £25.
Medical disclaimer. This article is for education and does not replace a veterinary examination, diagnosis or treatment. Prescription (POM-V) medicines must only be used as your vet directs. Talk to your vet before starting any supplement, especially if your dog has a medical condition, is pregnant or takes other medication.
References
- O'Neill DG, Volk AV, Soares T, Church DB, Brodbelt DC, Pegram C. Frequency and predisposing factors for canine otitis externa in the UK – a primary veterinary care epidemiological view. Canine Med Genet. 2021;8:7. DOI: 10.1186/s40575-021-00106-1.
- O'Neill DG, et al. West Highland White Terriers under primary veterinary care in the UK in 2016: demography, mortality and disorders. Canine Genet Epidemiol. 2019. DOAJ record.
- O'Neill DG, et al. Demography and disorders of the French Bulldog population under primary veterinary care in the UK in 2013. Canine Genet Epidemiol. 2018. CORE record.
- McGreevy PD, Wilson BJ, Mansfield CS, Brodbelt DC, Church DB, Dhand N, Soares Magalhães RJ, O'Neill DG. Labrador retrievers under primary veterinary care in the UK: demography, mortality and disorders. Canine Genet Epidemiol. 2018. Repository record.
- O'Neill DG, Rowe D, Brodbelt DC, Pegram C, Hendricks A. Ironing out the wrinkles and folds in the epidemiology of skin fold dermatitis in dog breeds in the UK. Sci Rep. 2022. RVC repository.
- Engdahl KS, Brodbelt DC, Cameron C, Church DB, O'Neill DG. English Cocker Spaniels under primary veterinary care in the UK: disorder predispositions and protections. Canine Med Genet. 2024. DOAJ record.
- Bond R, Morris DO, Guillot J, et al. Biology, diagnosis and treatment of Malassezia dermatitis in dogs and cats: Clinical Consensus Guidelines of the World Association for Veterinary Dermatology. Vet Dermatol. 2020;31(1):28-74. PMID 31957204. DOI: 10.1111/vde.12809.
- PDSA. Harvest mites in dogs; Food allergies in dogs. PDSA Pet Health Hub.
- Met Office. UK days of rain ≥1 mm, HadUK-Grid series (1991–2020 averages).
- Competition and Markets Authority. Veterinary services for household pets — market investigation.
- Veterinary Medicines Directorate. The cascade: prescribing unauthorised medicines. GOV.UK.
- Royal Veterinary College. Beaumont Sainsbury Animal Hospital price list (from 1 August 2025).
- Abbey Vet Centre, Grimsby. Prices for routine care (updated July 2026).
- Veterinary Poisons Information Service. Tea tree oil toxicosis.