Thrush happens when there’s an overgrowth of a yeast called Candida, which can make the skin itchy, cause white discharge, lead to red and inflamed skin, and create a burning or stinging sensation.

Candida glabrata is a natural species of yeast that is part of the gut microbiome. It’s found on the skin and in the gastrointestinal tract. An overgrowth of the yeast may cause fungal ...