Fungal infections come in different forms, like ringworm athlete's foot, toenail fungus, yeast infections, and jock itch.Oral candidiasis can be classified as follows: Acute candidiasis. Acute pseudomembranous candidiasis (thrush). Acute atrophic (erythematous) candidiasis. Chronic candidiasis. Chronic hyperplastic candidiasis (candidal leukoplakia). ... Angular cheilitis (stomatitis)