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 Similarly, a fever does not stay at a constant temperature.
When Is a Fever Dangerous? High Fever Warning Signs | UPMC
If you or a family member has a fever, it means your body temperature is above normal. A fever is usually a normal response of your immune system to a virus or bacterial infection. Most healthy adults can tolerate a fever well. You will generally be able to carry out normal daily activities. You may have lost your appetite. Some mild diseases produce very high fevers — and severe illnesses can produce mild fever.
The average body temperature is But "normal" body temperature varies from person to person. It also changes during the day, rising a bit after you eat or exercise. Body temperature is often higher in the afternoon than it is when you wake up in the morning. Fever means a body temperature of
Share this on:. Defined as a temporary increase in body temperature, a fever is just a symptom, not an illness. But how do you know when a fever is dangerous? When is it time to see a doctor for a high temperature?