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A fever is when your body temperature is higher than normal, i.e. 37°C. It is caused by infections or other illnesses like flu, overheating, or dehydration. When you have a fever, you may also experience a hot, flushed face, headache, loss of appetite, body aches, shivering, sweating or weakness.
Jan 18, 2024 · A fever is defined as a body temperature of 38°C (100.4°F) or higher. Normal body temperature is usually 37°C (98.6°F), although it can be about a half degree Celsius higher or lower for some people and that’s normal for them.
Jun 20, 2024 · What temperature is a fever? Fever can be grouped into low-grade, mid-grade, high-grade, and hyperthermia. Low-grade. You have a low-grade fever when your body temperature ranges from 99.1 to...
Jun 26, 2023 · Typically, any temperature over 100 o F (37.7 o C) is considered a fever. A fever involves a higher than normal body temperature. Most commonly, they develop due to the body trying to fight...
May 22, 2023 · Fever means a body temperature of 100.4° F (38°C) or higher. While any temperature above your normal temperature range is considered a fever, there are different levels of fever severity: High-grade: 102.4 to 105.8 F (39.1 to 41 C). If you have a fever over 104°F (40°C), you should call your doctor.
Jun 25, 2024 · A fever is a rise in body temperature. It's often a sign of infection. Fever itself most often is harmless and it may play a role in fighting infection. Most fevers don't need treatment. The average body temperature is 98.6 Fahrenheit (37 Celsius). But typical body temperature can range between 97 F (36.1 C) and 99 F (37.2 C) or more.
But healthcare providers most often say a fever temperature is 100.4 degrees F (38 degrees C) when measured orally (by mouth). Rectal and ear thermometers typically measure temperatures at about 1.0 degrees F (0.6 degrees C) higher than oral thermometers.
Normal body temperature ranges from 97.5°F to 98.9°F (36.4°C to 37.2°C). It tends to be lower in the morning and higher in the evening. Most healthcare providers consider a fever to be 100.4°F (38°C) or higher. High fevers may bring on seizures or confusion in children.
Find out about high temperature (fever) in adults including what causes it, how to tell if you have a high temperature and how to treat it.
Although many people worry that fever can cause harm, the typical temporary elevations in body temperature ranging from 100.4° to 104° F (38° to 40° C) caused by most short-lived (acute) infections are well-tolerated by healthy adults.
