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 Diseases. There are two major contagious skin diseases caused by fungi, one is more frequent in children, and the other in teens and adults. They are: 1  Ringworm-This is caused by a fungus called dermatophyte. 2  It can be passed from person to person, or from animals to people.ontagious Skin Diseases can have three major causes. If you'd like to explore those caused by viruses, visit the skin disease photos page, where we show pictures of these diseases as well as give you basic information about them. The next major cause of these diseases is bacterial, and a third major cause is fungal.