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 Around the Nail. An infection of the skin around the nail is called a paronychia. These can be due to bacteria or due to fungus. Often, after a bacterial infection has caused the body's defenses to be disrupted, the normal fungus on our skin invades the tissues.