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May 22, 2023 · Fever means a body temperature of 100.4° F (38°C) or higher. 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).
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May 7, 2022 · A temperature taken using a mouth thermometer (oral temperature) that's 100 F (37.8 C) or higher is generally considered to be a fever. Depending on what's causing a fever, other fever signs and symptoms may include: Sweating. Chills and shivering. Headache. Muscle aches. Loss of appetite. Irritability.
Check if you have a high temperature. You may have a high temperature if: your chest or back feel hotter than usual. you have other symptoms, such as shivering (chills), sweating or warm, red skin (this may be harder to see on black or brown skin) a thermometer says your temperature is 38C or above.
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.
Nov 15, 2023 · A fever is when you have a brief rise in body temperature that’s higher than your normal body temperature. It’s also called a high temperature, hyperthermia, or pyrexia.
Jul 25, 2022 · A high fever is when body temperature rises above 103ºF (39ºC) in an adult or above 101ºF (38ºC) in a child. There are many causes of a high fever, including common conditions such as a sore throat, sinusitis, and urinary tract infections (UTIs). Some causes may be more serious and require immediate medical care.
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Sep 8, 2024 · A high temperature is called a fever (or sometimes a high fever). Fever itself is not an illness. A fever is usually a symptom of an underlying condition, usually an infection. In this article: What is a fever? What temperature is a fever? What is a normal temperature? What causes a fever? How common is a fever? How do I take my temperature?