What is Autoimmune Skin Disease in Dogs
Autoimmune (or immune-mediated) skin conditions occur when a dog’s immune system mistakenly attacks healthy skin tissue, causing inflammation and skin damage. These conditions are uncommon but can lead to symptoms such as crusting, sores, hair loss and changes to the skin or nose. Examples include Pemphigus Foliaceus and Cutaneous Lupus Erythematosus. The exact cause is often unclear, although genetics and other triggers may play a role in some dogs. Diagnosis often requires further testing, but with appropriate treatment, many dogs can be managed successfully.
Written by Gillian Burkhill, Veterinary Surgeon, Animal Trust Vets CIC | Published May 2026 | Review date May 2029 | This advice is for UK pets only and is not a replacement for seeing a vet
Symptoms of Autoimmune Skin Disease in Dogs
Dogs with autoimmune skin conditions may show signs such as:
Crusting or scabs
Sores or ulcers
Blisters or pustules
Hair loss
Red or inflamed skin
Changes affecting the nose, face, ears or feet
Pain or sensitivity in affected areas
Symptoms can vary depending on the condition involved.
When to contact your vet
Contact your vet if your dog develops persistent crusting, sores, hair loss or painful skin changes, especially around the nose, face, ears or feet. Veterinary attention is important if symptoms are worsening, causing discomfort, or not improving, as early diagnosis and treatment can help manage these conditions more effectively.
Diagnosis
Your vet may suspect an autoimmune skin condition based on your dog’s history and skin changes, but tests are often needed to confirm the diagnosis. This may involve examining skin samples and, in some cases, performing a skin biopsy. Because some autoimmune skin conditions can resemble other skin diseases, further tests may be needed to rule out other causes.
Treatment of Autoimmune Skin Disease in Dogs
Treatment often involves medications to suppress an overactive immune response. Some dogs may need long-term treatment, and regular monitoring may be needed. Your vet will recommend treatment based on the specific condition and how severely your dog is affected.
Prevention of Autoimmune Skin Disease in Dogs
Autoimmune skin conditions cannot usually be prevented. Early recognition of symptoms and prompt veterinary care may help reduce complications and support long-term management.
Outlook
The outlook for autoimmune skin conditions varies depending on the specific condition and how well it responds to treatment. Many dogs can be managed successfully with ongoing care, although some may need long-term treatment and monitoring.