The answer is a little complicated. A fever is usually a sign of an infection, and it often comes with other symptoms instead of just having a high temperature. But having a fever means you should ...

A person can tell if they have a fever at home with a thermometer. There are also ways of testing for fever without one, such as looking for symptoms like flushed cheeks and changes in urine color.

The answer is a little complicated. A fever is usually a sign of an infection, and it often comes with other symptoms instead of just having a high temperature. But having a fever means you should ...