If you are an adult with a fever over 104 F (40 C), call your healthcare provider. If it is over 105 F (40.5 C), go to your nearest emergency room. For a newborn, a fever of 100.4 F (38 C) requires ...

The human body’s internal thermostat operates with remarkable precision, maintaining core temperature within a narrow range that supports optimal function. When that temperature rises above normal ...

Whether stemming from a wound, a toothache or an infection like the flu, nearly everyone has experienced the discomfort of having a fever. While fevers can be inconvenient and are sometimes a sign of ...