What is a fever?

A fever is a temperature in the ear or mouth of 38.3ºC (100.9ºF) ONCE or between the temperatures of 38ºC (100.4ºF) and 38.3ºC (100.9ºF) for over an hour.

Take your temperature if you feel hot or unwell. It is better to use a digital thermometer in your mouth or ear.

Talk to your health care team.

  • Call the Odette Cancer Centre at 416-480-5000, Monday to Friday, 9:00 a.m. – 4:30 p.m.
  • Call the after-hours telephone line at 1-877-681-3057, Monday to Friday, 4:30 p.m. to 8:30 a.m., on weekends and statutory holidays. If you are on a clinical trial, do not call the after-hours telephone line. Call the number given to you by your health care team.

In case of emergency, please call 911 or go to your nearest emergency room.

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