By the Dog Health Insider Editorial Team · Updated June 5, 2026
Itchy, smelly, reddened skin — often on the paws, ears or skin folds — is a classic sign of a yeast overgrowth. Here is what causes it and how to support calmer skin at home.
What a yeast infection looks like
Itching, a musty smell, greasy or flaky skin, redness, and darkened elephant-skin patches — commonly on paws, ears, belly and folds.
Common triggers
Underlying allergies, trapped moisture, and anything that disrupts the skin barrier can let naturally present Malassezia overgrow.
Daily support to help maintain normal, comfortable skin.
Safe at-home support
Keep folds and paws clean and dry, consider a lower-carbohydrate diet, and use gentle daily skin support. Medicated options should be guided by your vet.
When to see your vet
Raw, bleeding or rapidly spreading skin, or no improvement in 1–2 weeks, needs veterinary care to confirm the cause.
Frequently asked questions
What kills yeast on dogs?
Vets typically use medicated shampoos or antifungals for active infections; at home you support skin balance with hygiene, diet and daily skin support.
What food causes yeast in dogs?
High-sugar, high-carb diets can contribute in sensitive dogs; many owners see improvement on lower-carb diets.
Do probiotics help with yeast?
They may help support overall skin and immune balance as part of a broader plan; they are not a standalone treatment.
⚕ Disclaimer: This article is for educational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. Supplements are not medicines and are not intended to diagnose, treat, cure, or prevent any disease. Always consult your veterinarian before starting any new supplement, especially if your dog is pregnant, nursing, on medication, or has a health condition.
Sources
- Merck Veterinary Manual. Malassezia Dermatitis in Dogs.
- American Kennel Club. Yeast Dermatitis in Dogs. akc.org
- Peer-reviewed veterinary dermatology research on Malassezia pachydermatis.