
Fever - Symptoms & causes - Mayo Clinic
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. Fevers …
Fever Symptoms & Causes: What Is Considered a Fever?
May 31, 2023 · A fever is when your body temperature rises higher than normal. A fever itself isn’t an illness. Rather, it’s a symptom for a wide range of health conditions.
Fever - Wikipedia
Rarely a fever may trigger a febrile seizure, with this being more common in young children. [4] Fevers do not typically go higher than 41 to 42 °C (106 to 108 °F). [6] A fever can be caused …
Fever: Causes, Symptoms, and Treatment - WebMD
Nov 15, 2023 · A fever can make you uncomfortable, but it's generally not cause for concern. You can often manage a fever at home, but in some cases you should call your doctor.
Fever - Johns Hopkins Medicine
A fever is not an illness by itself, but, rather, a sign that something is not right within the body. Illness, exercise, hot weather, and common childhood immunizations can make body …
Fever - MedlinePlus
Jul 27, 2025 · Learn what can cause a fever and how to know when a fever can be dangerous.
Fever: Symptoms, treatments, types, and causes
May 30, 2025 · A person has a fever when their temperature is higher than 100°F (38°C). Learn about fever types, symptoms, causes, and treatments in this article.
Fever: Temperature Range, What’s Serious, Breaking It
Sep 3, 2025 · A fever is a rise in the body's temperature. Many cases of fever can be managed at home without seeing a provider. Learn when to seek medical attention.
What is considered a fever? When to see a doctor - USA TODAY
Oct 14, 2025 · What temperature is a fever? A fever (also called pyrexia) is a controlled rise in the body’s internal “set point” temperature, as regulated by an area of the brain called the …
Fever | Definition, Characteristics, & Causes | Britannica
Dec 2, 2025 · fever, abnormally high body temperature. Fever is a characteristic of many different diseases. For example, although most often associated with infection, fever is also observed in …