These can affect the hair and nails as well. Deep fungal infections invade deeper layers of the skin and hair follicles and can spread to the blood or internal organs. Fungi are a unique group of organisms that have some plantlike characteristics. Examples of fungi include mushrooms, mold, and yeast. This food source can be the human skin.
Some fungi are simple one-celled organisms.
Others are relatively complex, exhibiting specialized cell functions. They grow in soil, on living and dead plants and trees, as well as on animals and humans. The reproductive cell, or spore, of a fungus can be spread by direct contact, air, and water. Back to top Risk Factors Antibiotic Use Antibiotics are medicines designed to kill harmful bacteria that are causing infection or illness. Sometimes these drugs can also reduce the helpful bacteria that live in the body.