A fever is a body temperature of 100.4 F or greater. Read about causes of fever in adults, symptoms, treatment, medications that may cause fevers, and different types of fevers. Plus, learn how to reduce and prevent fever. A body temperature higher than your normal range is a fever. It’s hypothermia when the body temperature dips too low. Both need to be watched. Older adults can also struggle to keep their.
A fever is a rise in body temperature. It's usually a sign of infection. The fever itself is generally harmless and probably helpful. Fevers usually don't need treatment. The average body temperature is 98.6 F (37 C). But normal body temperature can range between 97 (36.1) and 99 (37.2) or more. A fever is one way your body fights illness—your body temperature goes up to kill bacteria that cannot live at the higher temperatures. Although it may not be comfortable, a temperature of up to 102°F is generally good for you. Most healthy adults can tolerate a fever as high as 103°F to 104°F for short periods of time without having problems.
A Regular Fever vs. a Low-Grade Fever (LGF) You can monitor your fever by simply taking your temperature. A low-grade fever is often classified as an oral temperature that is above 98.6° F (37° C) but lower than 100.4° F (38° C) for a period of 24 hours.1 A fever of 103° or higher is more concerning in adults. Mar 19, 2018 · When the body temperature is above 99 degrees F, but below 103 degrees F, it is considered as low-grade fever in adults. The probable causes of low-grade fever are many, of which some include allergies, bacterial infection, viral disease, fungal infection, and medicine side effects.Author: Ningthoujam Sandhyarani.
Fever is a rise in body temperature, usually caused by infection. Fevers caused by viral illnesses shouldn’t be treated with antibiotics, since these drugs have no effect against viruses. High fever (about 41.5°C or more) is extremely dangerous and could trigger convulsions.Page last reviewed: 20 Aug 2014. Fever, also known as pyrexia and febrile response, is defined as having a temperature above the normal range due to an increase in the body's temperature set point. There is not a single agreed-upon upper limit for normal temperature with sources using values between 37.5 and 38.3 °C (99.5 and 100.9 °F).Causes: Increase in the body's temperature set point.