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May 22, 2023 · A very high fever can cause confusion, extreme sleepiness, irritability, and seizures. Diagnosing the cause of a fever. To help determine why you have a fever, your doctor will ask you about: other symptoms such as coughing, abdominal pain, vomiting, diarrhea, or pain when urinating; recent surgeries or injuries; recent vaccinations
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Mar 7, 2024 · A high fever can also be caused by drug reactions, inflammatory diseases, autoimmune disorders, excess heat exposure, and other non-infectious conditions. These conditions cause fever by disrupting the part of the brain that functions as the body's thermostat, called the hypothalamus.
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.
Jul 25, 2022 · Causes of a high fever include infections, heat exhaustion, sepsis, and noninfectious conditions, particularly those that affect the immune system. Contact a doctor if you or your child has a high fever, particularly if it occurs with other symptoms, including a loss of consciousness, confusion , or a rash.
Aug 4, 2024 · Persistent fever. Many viral illnesses, especially the flu, cause fevers of 102°F or higher for three to four days. If associated with such illnesses, it is worth seeing a doctor for any fever that lasts longer. For fevers that develop with no other symptoms, one should see a doctor if it lasts more than 48 hours. If your fever is associated with:
May 4, 2018 · When both the high fever and the underlying cause are treated promptly, there's usually a good outcome. Hyperpyrexia, or a very high fever, can indicate an infection or some other serious condition.
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Nov 15, 2023 · What Causes Fever? A fever can be a sign of several health conditions, which may or may not need medical treatment. ... A malaria infection, for example, may cause a high fever that gets better ...
