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Common Dog Skin Conditions in the UK and Their Treatments

Skin problems are among the most common reasons for vet visits in the UK, accounting for a significant proportion of all dog consultations. From itchy allergies to parasitic infections, the range of skin conditions that can affect dogs is broad — and treatments vary considerably in cost and complexity.

Atopic Dermatitis (Canine Eczema)

Atopic dermatitis is the most common chronic skin condition in dogs, affecting an estimated 10–15% of the UK dog population. It is an inflammatory allergic skin disease triggered by environmental allergens such as pollen, house dust mites, and mould spores. Certain breeds are particularly susceptible, including West Highland White Terriers, Labradors, Retrievers, Bulldogs, and Boxers.

Signs include persistent itching, redness, and skin thickening — most commonly affecting the paws, face, ears, groin, and armpits. Dogs frequently lick, chew, and scratch affected areas, leading to secondary bacterial and yeast infections that worsen the condition. Skin changes can include darkening (hyperpigmentation), thickening (lichenification), and hair loss.

Treatment typically involves a combination of allergen avoidance, regular bathing with medicated shampoos, and medication. Modern treatments include Apoquel (oclacitinib), a daily tablet that controls itch effectively, and Cytopoint (lokivetmab), a monthly injection. Both are prescription medications, and using a written prescription to purchase Apoquel online can offer significant savings over buying directly from the practice.

Flea Allergy Dermatitis

Flea allergy dermatitis (FAD) is the most common cause of itchy skin in UK dogs. Affected dogs are hypersensitive to flea saliva — a single flea bite can trigger an intense, prolonged itch response. The distribution of the itch is characteristic: the base of the tail, lower back, inner thighs, and abdomen are most commonly affected.

Importantly, you may not see fleas on your dog even if FAD is the cause — a sensitised dog grooms fleas away rapidly. Checking for flea dirt (tiny dark specks that turn reddish-brown when wet on white paper) in the coat and environment is a more reliable method of detection.

Treatment involves rigorous flea control — treating the dog with a prescription flea product (e.g. NexGard, Bravecto), all in-contact animals, and the home environment simultaneously. Environmental treatment is crucial, as around 95% of the flea population lives in the environment as eggs, larvae, and pupae rather than on the pet. Household flea sprays (such as Indorex) should be used throughout the home.

Mange (Sarcoptic and Demodectic)

Mange is caused by mite infestations and takes two main forms in dogs. Sarcoptic mange (caused by Sarcoptes scabiei) is intensely itchy and highly contagious — both to other dogs and to humans (causing a temporary itchy rash). It typically affects the ear margins, elbows, hocks, and face. It is treated with prescription parasitic treatments and is notifiable in some circumstances.

Demodectic mange (caused by Demodex canis) is not contagious and is linked to immune suppression — it commonly occurs in puppies whose immune systems are still developing, or in older dogs with underlying illness. It causes hair loss typically on the face and around the eyes, often without significant itching. Localised cases may resolve spontaneously; generalised cases require treatment.

Both forms of mange require veterinary diagnosis via a skin scrape examination and prescription treatment. Self-treating with over-the-counter products is not effective and may delay proper treatment. Your vet can prescribe appropriate products and, under the CMA prescription rules, you can source these from a registered pharmacy.

Bacterial and Yeast Skin Infections

Secondary bacterial (pyoderma) and yeast (Malassezia) skin infections are extremely common in dogs, usually occurring as complications of primary skin conditions such as atopic dermatitis or flea allergy. They are also common in breeds with skin folds — Bulldogs, Pugs, and Shar Peis — where the warm, moist environment between folds promotes bacterial and yeast growth.

Bacterial pyoderma presents as pustules, crusts, red raised lesions, or generalised scaling and redness. Yeast infection typically causes a musty or 'cheesy' odour, redness, greasy skin, and thickening of the skin. The ears are particularly prone to yeast infection in dogs with pendulous ears or those prone to water in the ears.

Treatment involves medicated shampoos (containing chlorhexidine and/or miconazole), ear cleaners, and where necessary prescription antibiotics or antifungal medications. With antibiotic treatment, your vet will typically recommend a minimum 3–4 week course, and may take a skin culture to ensure the right antibiotic is chosen — important given increasing antibiotic resistance in veterinary practice.

Comparing Dermatology Costs at UK Vets

Skin conditions can generate significant ongoing vet costs, particularly in atopic dogs. A standard consultation for a skin problem typically costs £40–£65, and repeat visits are often required. Prescription medications such as Apoquel cost approximately £40–£80 per month at vet practices, though this can be reduced substantially with a written prescription and an online pharmacy.

For dogs with complex or refractory skin disease, referral to a veterinary dermatologist may be recommended. Specialist referral consultations typically start at £200–£350, with allergen testing (intradermal skin testing or serology) adding further costs. Allergen-specific immunotherapy — the most effective long-term treatment for atopic dermatitis — is prescribed based on these tests.

CompareMyVet at app.comparemyvet.uk helps you find and compare local vet practices based on price transparency, helping you make sense of the costs associated with chronic skin disease management. Visit app.comparemyvet.uk to search practices in Brighton & Hove, with more areas coming soon.