

According to the Centers for Disease Control and Prevention, a fever is present when the patient “feels warm to the touch or gives a history of feeling feverish.” The C.D.C., however, also offers an alternative temperature-based definition of fever, with a threshold of 100.4 degrees Fahrenheit (38 degrees Celsius). That’s not a fever.”īut if you feel as if you have a fever, you probably do.


Doctors are often quick to dismiss the concerns of patients who feel feverish but have “normal” temperatures, saying something like, “You only have a temperature of 99 point something. When I’m sick I can have what constitutes a “fever” (that is, over 99), but sometimes I feel feverish at 98.6 or even lower. When well, my oral temperature is almost always about a degree lower than 98.6.
