Studies also suggest that oral bacteria and the inflammation associated with periodontitis â a severe form of gum disease â might play a role in some diseases. In addition, certain diseases, such as diabetes and HIV/AIDS, can lower the body's resistance to infection, making oral health problems more severe.
Common fungal skin infections are caused by yeasts (such as Candidaâsee Candidiasis) or dermatophytes, such as Epidermophyton, Microsporum, and Trichophyton (see Overview of Dermatophytoses (Ringworm, Tinea)). Many such fungi live only in the topmost layer of the epidermis (stratum corneum) and do not penetrate deeper.
Fungal infections of the skin are very common and include athlete's foot, jock itch, ringworm, and yeast infections. Athlete's Foot Athlete's foot, also called tinea pedis, is a fungal infection of the foot. It causes peeling, redness, itching, burning, and sometimes blisters and sores. Athlete's foot is a very common infection.