Yeast Infection Diaper Rash

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Medical Author:

John Mersch, MD, FAAP

John Mersch, MD, FAAP

Dr. Mersch received his Bachelor of Arts degree from the University of California, San Diego, and prior to entering the University Of Southern California School Of Medicine, was a graduate student (attaining PhD candidate status) in Experimental Pathology at USC. He attended internship and residency at Children's Hospital Los Angeles.

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Medical Editor:

Melissa Conrad Stöppler, MD, Chief Medical Editor

Melissa Conrad Stöppler, MD, Chief Medical Editor

Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

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• Yeast Infection Diaper Rash Overview
• Are Yeast Diaper Rashes Common?
• Yeast Infection Diaper Rash Treatment
• Does Type of Diaper Matter for Yeast Diaper Rashes?
• Are Any Antiyeast Treatments Inappropriate?
• Prevention
• Synonyms and Keywords
• Authors and Editors

Most diaper rashes have to do with impairment of skin integrity rather than any specific bacterial or fungal infection. Urine and stool acidity (the latter seen in diarrhea) and chronic wetness coupled with a warm barrier environment are all factors proposed as causes of diaper dermatitis (diaper rash). However, sometimes a superficial skin infection is a factor in diaper rash. The most common infectious cause of diaper rash is Candida albicans (yeast, a fungus).

Such a diaper rash can begin with softening and breakdown of the tissue around the anus. The infected area is red and elevated, and fluid may be visible under the skin. Small, raised infected red areas (satellite pustules) appear at the periphery of the rash. These satellite pustules are characteristic of Candida diaper rash and allow yeast diaper rash to be easily distinguished from other types of diaper rash such as a contact (irritant) diaper rash. Yeast diaper rash can appear on the thighs, genital creases, abdomen, and genitals.

Another distribution characteristic of C. albicans diaper distribution is its likelihood to be found in the creases of skin (for example, in the skin folds where the legs join with the pelvis). Generally, contact diaper rash does not involve these regions since the overlapping skin "protects" the area from exposure to noxious irritants.

A Candida skin infection can come from the upper gastrointestinal tract, the lower gastrointestinal tract, or exposure from a care provider. A Candida diaper rash can be accompanied by Candida infection of the mouth (thrush). A breast-feeding infant with a thrush infection may inadvertently infect the mother's nipple/areola area. If such an infection is suspected, simple topical medications may be prescribed by her doctor.

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