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Jun 11, 2022 · By Mayo Clinic Staff. 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 F (36.1 C) and 99 F (37.2 C) or more.
Most providers say a fever is either 100.0 F (37.8 C) or 100.4 F (38 C). When you have a fever, it’s your body’s normal response to fighting an infection or illness. Fevers usually aren’t a serious concern. They typically go away when the infection passes.
Feb 27, 2021 · When to seek help. Summary. The temperature that constitutes a fever varies by age and the method of taking it. Typically, any temperature over 100 o F (37.7 o C) is considered a fever. A...
Nov 15, 2023 · Adults. 100.4 F (oral temperature) A low-grade fever is when you have a temperature that is slightly higher than normal, usually around 99.5 to 100.3 F. A low-grade fever signals that...
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.
Feb 26, 2022 · Temperature What to do; 18 years and up: Up to 102 F (38.9 C) taken orally: Rest and drink plenty of fluids. Medication isn't needed. Call the doctor if the fever is accompanied by a severe headache, stiff neck, shortness of breath, or other unusual signs or symptoms. 18 years and up: Above 102 F (38.9 C) taken orally
Oct 16, 2017 · A normal temperature can vary from person to person, but it is usually around 98.6 °F (37 °C). A fever is not a disease. It is usually a sign that your body is trying to fight an illness or infection. Infections cause most fevers. You get a fever because your body is trying to kill the virus or bacteria that caused the infection.
