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100–100.4 degrees
- A fever, also called pyrexia, is characterized by a temporary rise in body temperature. A body temperature of 100–100.4 degrees is what healthcare providers consider a fever in adults. An oral temperature of 99.5 degrees or a rectal temperature of 100.4 degrees is a fever in infants and children.
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Sep 19, 2023 · A fever, also called pyrexia, is characterized by a temporary rise in body temperature. A body temperature of 100–100.4 degrees is what healthcare providers consider a fever in adults.
May 7, 2022 · Body temperatures vary slightly from person to person and at different times of day. The average temperature has traditionally been defined as 98.6 F (37 C). A temperature taken using a mouth thermometer (oral temperature) that's 100 F (37.8 C) or higher is generally considered to be a fever.
May 22, 2023 · High fever in adults. While any temperature above your normal temperature range is considered a fever, there are different levels of fever severity: Low-grade: 99.1 to 100.4 F (37.3 to 38.0 C) Moderate-grade: 100.6 to 102.2 F (38.1 to 39.0 C) High-grade: 102.4 to 105.8 F (39.1 to 41 C). When to worry about fever.
- hhp_info@health.harvard.edu
But healthcare providers most often say a fever temperature is 100.4 degrees F (38 degrees C) when measured orally (by mouth). Rectal and ear thermometers typically measure temperatures at about 1.0 degrees F (0.6 degrees C) higher than oral thermometers.
Aug 21, 2024 · A high fever in older children and adults is a temperature of 102.4 F or greater. Fevers above 105.8 F are termed " hyperpyrexia " and can be seen with brain dysfunction, severe infections, or brain bleeds. An extremely high temperature above 105.8 F sometimes represents hyperthermia, which is different from a fever.
- Colleen Doherty, MD
Normal body temperature ranges from 97.5°F to 98.9°F (36.4°C to 37.2°C). It tends to be lower in the morning and higher in the evening. Most healthcare providers consider a fever to be 100.4°F (38°C) or higher. High fevers may bring on seizures or confusion in children.
Jun 20, 2024 · A fever is when your body temperature is higher than usual, which is generally considered an oral temperature of greater than 100 F (37.8 C). It often happens because of an infection or...
