Tags: Disease.
Ringworm redirects here. For the band see Ringworm (band); Not to be confused with Roundworm Pinworm or Hookworm.Dermatophytosis is a clinical condition caused by fungal infection of the skin in humans pets such as cats and domesticated animals such as sheep and cattle. The term ringworm commonly used to refer to such infections is a misnomer since the condition is caused by fungi of several different species and not by parasitic worms.