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Mar 7, 2024 · It is important to know when a fever is too high because it can be dangerous to the central nervous system. Febrile seizures can occur in babies and young children with temperatures greater than 100.4 F. A sustained temperature greater than 107.6 F can even lead to brain damage.
May 22, 2023 · High-grade: 102.4 to 105.8 F (39.1 to 41 C). When to worry about fever. If you have a fever over 104°F (40°C), you should call your doctor. Seek medical help right away if you have a fever along with any of these symptoms: seizure; loss of consciousness; confusion; stiff neck; trouble breathing; severe pain anywhere in the body
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Oct 7, 2016 · If your child is 3 to 12 months old and has an oral temperature of 102.2 degrees F. If your child is 2 years old or younger and has a fever that lasts longer than 24 to 48 hours. Adults with a fever higher than 105 degrees F or a fever over 103 degrees F that rises or lasts longer than 48 hours.
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Jan 1, 2023 · As with COVID, fever — defined as a temperature of 100.4° F or higher — is your immune system's response to an infection or another invader. Your elevated temperature is a clear sign something is amiss. Most fevers go down if you take an over-the-counter medication such as acetaminophen (Tylenol) or ibuprofen (Advil).
- Toni Golen, MD
- (877) 649-9457
- 4 Blackfan Circle, 4th Floor, Boston, 02115, MA
- hhp_info@health.harvard.edu
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. For infants, however, even a low fever may mean there's a serious infection.
Aug 4, 2022 · While there are numerous definitions of fever or pyrexia, the CDC defines a fever as a temperature above 100.4°F (38°C). However, it is important to keep in mind that, in the elderly, temperatures below 100.4 may also be indicative of a fever. The hypothalamus of these individuals is less able to elevate their body temperatures.
May 3, 2018 · Symptoms of hyperpyrexia. In addition to a fever of 106°F (41.1°C) or higher, symptoms of hyperpyrexia can include: increased or irregular heart rate. muscle spasms. rapid breathing. seizures....