Algoma Public Health


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What is it?

  • A skin infection caused by a fungus.  It can affect the scalp or the body.

 What are the symptoms?

  • Rash consisting of ring-shaped areas that are dry and scaly or moist and crusted.
  • The outside edges of the rash are reddish in colour.
  • As the rash progresses the central area often clears leaving normal looking skin.
  • If the scalp is infected, areas of temporary baldness will be seen.
  • Rash may be itchy.

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Sault Ste. Marie: 705-942-4646

Blind River: 705-356-2551

Elliot Lake: 705-848-2314

Wawa: 705-856-7208


 How quickly do symptoms develop?

  • Within 4 to 14 days after being in contact with the infection.

 How is it spread?

  • By direct or indirect contact with skin or scalp lesions (rash) of infected people or animals.
  • By contact with infected articles such as combs, hairbrushes, hats, clothing or towels; contaminated floors, shower stalls, benches and similar articles.

 How long is it contagious?

  • As long as lesions are present and articles are contaminated or until treatment is initiated.
  • Children with ringworm may attend school/daycare once treatment has started.

 How is it treated?

  • With a prescribed cream or ointment.
  • Often a medication taken by mouth is also prescribed.

 What can you do?

  • Check household members, pets and farm animals for circular rash and if found, contact physician or vet as necessary.
  • Combs, hairbrushes, face cloths and towels should not be shared.
  • Wash your hands after touching the infected skin.  If your child has ringworm he should be encouraged to frequently wash his hands.
  • Encourage children to wear foot-wear in public showers and pool areas.

For further information contact the Communicable Disease Control Program at 705-942-4646 or toll free at 1-866-892-0172.


Date of Creation: June 1, 2015

Last Modified: Feb 25, 2016