A yeast infection is a skin infection from a type of fungus. It is most common in folds of skin, between toes or fingers, and in the mouth and genitals. It is often easy to treat.
A yeast infection is caused by an overgrowth of yeast on the skin. Bacteria and yeast are normally found on the skin. They usually keep each other under control. Sometimes there is an imbalance that causes yeast to grow too much. Yeast also grows in moist conditions.
Yeast skin infections are more common in warm, humid climates.
Andreas Kühbacher, Anke Burger-Kentischer, et al. Interaction of candida species with the skin. Microorganisms. 2017; 5(2): 32.
Candidiasis. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/fungal/diseases/candidiasis/index.html. Accessed August 4, 2021.
Candidiasis (mucocutaneous). Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/dermatologic-disorders/fungal-skin-infections/candidiasis-mucocutaneous. Accessed August 4, 2021.
Invasive candidiasis in adults. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/invasive-candidiasis-in-adults. Accessed August 4, 2021.
Last reviewed July 2021 by
EBSCO Medical Review Board
Dan Ostrovsky, MD
Last Updated: 8/4/2021
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