Search results
May 22, 2023 · The average body temperature is 98.6° F (37°C). But "normal" body temperature varies from person to person. It also changes during the day, rising a bit after you eat or exercise. Body temperature is often higher in the afternoon than it is when you wake up in the morning. Fever means a body temperature of 100.4° F (38°C) or higher.
- hhp_info@health.harvard.edu
Aug 11, 2021 · Fever is typically an immune response stimulated by the release of certain chemicals (such as cytokines) in response to either an infection, autoimmune disorder, malignancy, or other causes. Persistent fever that does not improve or persists for more than 3–5 days should warrant an evaluation by a medical professional.
Aug 4, 2024 · A fever is defined as a body temperature above 100.4°F (38°C). The normal oral temperature for a resting, healthy adult is about 98.6°F (37°C). However, what is considered a “normal” body temperature can vary by one degree based on age, race, and other factors. For example, an individual who is over 70 years old may have a lower normal ...
May 7, 2022 · Ask your child's health care provider for guidance in special circumstances, such as a child with immune system problems or with a preexisting illness. Adults. Call your health care provider if your temperature is 103 F (39.4 C) or higher. Seek immediate medical attention if any of these signs or symptoms accompanies a fever: Severe headache; Rash
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
Sep 17, 2019 · A fever that lasts longer than normal may be serious even if it is only a slight fever. This is because a recurrent fever might be a sign of a more serious infection or health condition. Common ...
People also ask
Is a fever a sign of a serious illness?
Should I Worry If I have a fever?
Is a fever a disease?
Can a high temperature cause a fever?
What happens if you have a high fever?
Jun 20, 2024 · Hyperthermia. This is a fever over 105.8 F. It happens when your body temperature jumps so high because your body’s temperature regulator can’t handle how hot your environment is. Hyperthermia ...
