Ringworm is a
type of fungal infection (tinea) that is caused by
infections are commonly called ringworm because
some infections form a
ring-like pattern on affected areas of the body.
There are three
families ('genera') of dermatophytes:
trichophyton, microsporum and
Some dermatophytes are well adapted to living on
human skin, others
are mainly found on animal skin. When these
invade human skin they tend to provoke a more
serious inflammation than
fungi that have a preference for human skin.
dermatophytes often give rise to slowly spreading
annular skin lesions.
Severe itch is almost always present. Typically, a
border can be seen with scaling. Sometimes a
pustular reaction can
infection is confirmed by microscopy and culture
of skin scrapings.
can be treated with topical creams containing anti
fungal agents. More
extensive or long-standing infections may require
treatment with oral