Sydne Morgan

Causative Agent

  • skin infection due to a fungus called tinea that grows and multiplies on the skin
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  • thought to be caused by worms
  • highly contagious in the 1800's
  • common among poor people
  • thought to be caused by poor diet and lack of hygiene
  • spread through un-sanitized barber equipment
  • to treat the fungus, doctors would pluck out hairs individually
  • David Gruby discovered ringworm fungus in 1843
  • serious studies started in the 1940's
  • "ringworm schools"

Prevalence and Transmission

  • common in all places
  • more frequent among men than women
  • 20% of the population has it at almost any given moment
  • spread by direct contact with contaminated people or objects
  • not at all fatal


  • fungus enters through open wounds
  • lives off the dead tissues of skin, hair, and nails
  • spreads to deeper and deeper layers of skin tissue
  • grows like bark on a tree
  • causes itchy, red rash

Response and Treatment

  • the older you are, the better job your immune system can do of protecting you
  • can be treated with over the counter creams
  • use the cream for as long as the package or the doctor suggests in order to keep the infection from worsening or returning
  • if the creams don't work, the doctor will prescribe a pill to kill the infection
  • if the ringworm is not treated, blisters may form and the cracks in the skin can become infected with germs
  • keep the infected area clean and dry
  • wash sheets and bedding daily


  • reducing the amount of moisture the feet are exposed to
  • wearing outer footwear that can breathe
  • frequently changing socks