Yeast skin infection in dogs
Malassezia yeast normally lives on the skin but can overgrow, especially in dogs with allergies or skin folds.
Last updated: October 2026 · 2 sources · see sources
Signs to watch for
- Greasy skin
- Musty smell
- Itchy paws, ears or skin folds
- Darkened, thickened skin
Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.
How vets diagnose it
Your vet presses tape on the skin and looks for yeast under the microscope. [2]
How it's treated
Treatment includes medicated shampoos and wipes, and sometimes oral antifungal medicine. Treating allergies helps prevent repeats. [2]
Medicines your vet may mention: Ketoconazole, Terbinafine. We don't list doses; your vet will decide what fits your pet.
What it costs to diagnose and manage
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
Yeast infections respond well but often return if the underlying cause isn't managed. [2]
Common questions
What is yeast skin infection in dogs?
Malassezia yeast normally lives on the skin but can overgrow, especially in dogs with allergies or skin folds.
What are the signs of yeast skin infection?
Common signs include: greasy skin, musty smell, itchy paws, ears or skin folds, darkened, thickened skin.
How do vets diagnose yeast skin infection?
Your vet presses tape on the skin and looks for yeast under the microscope.
How is yeast skin infection treated?
Treatment includes medicated shampoos and wipes, and sometimes oral antifungal medicine. Treating allergies helps prevent repeats.
How much does yeast skin infection cost to treat?
Diagnosis (exam and tests): $50–$150; Treatment: $100–$400. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.