Fever is an elevated body temperature. Temperature is considered elevated when it is higher than Although It is lowest in the early morning and highest in the late afternoon—sometimes reaching
Adult Fever Symptoms, Treatment and When to Call a Doctor
Fever: MedlinePlus Medical Encyclopedia
Normal body temperature may change during any given day. It is usually highest in the evening. Other factors that may affect body temperature are:. Fever is an important part of the body's defense against infection. Most bacteria and viruses that cause infections in people thrive best at Many infants and children develop high fevers with mild viral illnesses.
Fever in Adults
For most adults, this is a familiar roller coaster experience where all signs and symptoms point in one direction: the onset of a fever. What temperature is a fever? The average normal body temperature for an adult is Most medical professionals consider a temperature above How long will a fever last?
A fever is a common side effect of illness like the flu. It happens when there is a temporary rise in body temperature. A fever is usually a sign that your immune system is busy fighting an infection or other illness. In babies and toddlers even a slight fever may be a sign of a serious illness.