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      • Increasing your body temperature during a fever takes a lot of effort — for every 1.8 F [1 C] increase in body temperature, you expend an additional 10% more energy than you would normally use to maintain your temperature.
      www.livescience.com/health/viruses-infections-disease/what-happens-in-your-body-during-a-fever
  1. 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).

    • hhp_info@health.harvard.edu
  2. Mar 7, 2024 · A sustained temperature greater than 107.6 F can even lead to brain damage. This article will explain what fevers are and how to know when a fever is too high. It will also describe how fever is treated and when it's time to seek emergency medical care. Why You Get Fever.

  3. May 7, 2022 · A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may be uncomfortable. But it usually isn't a cause for concern.

  4. Sep 17, 2019 · Adults typically have a fever if their body temperature increases to 100.4°F (38°C). This is called a low grade fever. A high grade fever happens when your body temperature is 103°F...

  5. Jun 1, 2021 · A fever is when your body temperature is higher than normal. The Cleveland Clinic tells us that in adults, a fever is classified as a temperature higher than 100.4-degrees Fahrenheit (38-degrees Celsius). For reference, a normal body temperature is 98.6-degrees Fahrenheit (37-degrees Celsius).

  6. Jan 18, 2024 · Official answer. by Drugs.com. A fever is defined as a body temperature of 38°C (100.4°F) or higher. Normal body temperature is usually 37°C (98.6°F), although it can be about a half degree Celsius higher or lower for some people and that’s normal for them. A fever occurs when your brain sets your body temperature higher than normal.

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  8. Policy. What is considered a fever? Common knowledge states that a “normal” body temperature is 98.6 degrees Fahrenheit (37 degrees Celsius). But your baseline body temperature may vary by a degree or more. It also fluctuates. It’s typically lower in the morning and higher in the evening.

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