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Fever Ranges, 12 and Older

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Fever Ranges, 12 and Older

Temperature varies a little depending on how you measure it. For adults and children age 12 and older, these are the ranges for high, moderate, and mild, according to how you took the temperature.

Oral (by mouth) temperature

  • High: 104°F (40°C) and higher
  • Moderate: 100.4°F (38°C) to 103.9°F (39.9°C)
  • Mild: 100.3°F (37.9°C) and lower

A forehead (temporal) scanner is usually 0.5°F (0.3°C) to 1°F (0.6°C) lower than an oral temperature.

Ear temperature

  • High: 105°F (40.6°C) and higher
  • Moderate: 101.4°F (38.6°C) to 104.9°F (40.5°C)
  • Mild: 101.3°F (38.5°C) and lower

Armpit (axillary) temperature

  • High: 103°F (39.5°C) and higher
  • Moderate: 99.4°F (37.4°C) to 102.9°F (39.4°C)
  • Mild: 99.3°F (37.3°C) and lower

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.