what is considered a fever temperature?
Fever is the temporary increase in the body's temperature in response to a disease or illness. An adult probably has a fever when the temperature is above 99 - 99.5Â°F (37.2 - 37.5Â°C), depending on the time of day.
Fever is the temporary increase in the body's temperature in response to a disease or illness. A child has a fever when the temperature is at or above one of these levels: 1  100.4Â°F (38Â°C) measured in the bottom (rectally) 2  99.5Â°F (37.5Â°C) measured in the mouth (orally)  99Â°F (37.2Â°C) measured under the arm (axillary)