What Is a Fever Temperature in Adults?

What is a fever temperature in adults?

Normal body temperature for adults:

  • Temperature in the mouth (oral) is about 36.8°C (98.2°F)
  • Temperature under the arm (axillary) is about 36.5°C (97.7°F)
  • Temperature in the anus (rectum/rectal), vagina, or in the ear (otic) is about 37.5°C (99.5°F)

Abnormal body temperature for adults:

Temperature above 100.4°F (38°C) indicates a fever, called pyrexia in medical terms.

  • Temperatures between 99°F (37.2°C) and 100.4°F (38°C) are called low-grade fever.
  • Temperatures between 100.4°F (38°C) and 105.8°F (41°C) are called pyrexia.
  • Temperatures between 105.8°F (41°C) and 109.4°F (43°C) are called hyperpyrexia and are serious.
  • Temperatures above 109.4°F (43°C) are usually fatal, that is causing death.

Remember: you should contact a doctor if the high body temperature lasts for more than 3 days or gets worse.

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.