Fever, Age 4 and Older

When To See a Doctor

You have answered Yes to:

Do you have a mild to moderate fever?


See significance of a fever if you need information to help you answer the questions below.

Review health risks that may increase the seriousness of your symptoms.

Note:
  • Be sure to try home treatment when you or your child has a fever. Sometimes home treatment is all that is needed to help lower a fever and help you or your child feel better.
Red square with white cross logo

Call your health professional immediately if you answer "Yes" to any of the following questions.

Yes

Have you had an operation or a medical procedure within the past 2 weeks?

Yes

Do you have diabetes?

Yes

Do you have a medical condition or take a medicine that impairs your immune system?


Yellow telephone logo

Call your health professional today if you answer "Yes" to any of the following questions.

Yes

Do you still have a fever of 103°F (39.4°C) to 104°F (40°C) after 12 hours of home treatment?

Yes

Do you think you still have a moderate fever after 12 hours of home treatment, but you are unable to measure your temperature?


Green wait logo

You may wait to see if the symptoms improve over the next 24 hours (or specified time period) if you answer "Yes" to any of the following questions.

Yes

Do you have an ongoing fever of 102°F (39°C) to 103°F (39.4°C) after 24 hours of home treatment?

Yes

Are you older than 60 with an ongoing fever over 100°F (37.8°C) after 24 hours of home treatment?

Yes

Have you had an ongoing fever of 101°F (38°C) to 102°F (39°C) after 3 full days of home treatment?

Yes

Have you had an ongoing fever of 100°F (37.8°C) to 101°F (38°C) after 4 full days of home treatment?

Yes

Do you think you have a mild ongoing fever for more than 3 days but you are unable to measure your temperature?


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You need an appointment within the next 1 to 2 weeks if you answer "Yes" to the following question.

Yes

Have you been sweating more than usual or having night sweats for longer than 1 week?


If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.



Author: Jan Nissl, RN, BSLast Updated: April 24, 2007
Medical Review: William M. Green, MD - Emergency Medicine
Andrew Swan, MD, CCFP, FCFP - Family Medicine

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