WebMD explains the causes of a baby’s fever and when you should worry about a high temperature.

A fever is a body temperature of 100.4 F or greater. Read about causes of fever in adults, symptoms, treatment, medications that may cause fevers, and different types

Fever is an elevated body temperature. Temperature is considered elevated when it is higher than 100° F (37.8° C) as measured by an oral thermometer or higher than

A fever is a rise in internal body temperature to levels that are considered to be above normal. Average body temperature is about 98.6°F or 37°C.

A fever– also known as a high fever or a high temperature — is not by itself an illness. It’s usually a symptom of an underlying condition, most often an infection

Fever in Adults Quick Overview; What Temperature Is a Fever? What Are Causes and Associated Symptoms and Signs of Fever in Adults? What Are Other Causes of Fever in

July 15, 2014 Volume 90, Number 2 www.aafp.org/afp American Family Physician 91 Prolonged Febrile Illness and Fever of Unknown Origin in Adults

What a fever is (and what it isn’t), how to take temperature, and when and how to treat fevers — and when to call for help

Fever Definition A fever is any body temperature elevation over 100 °F (37.8 °C). Description A healthy person’s body temperature fluctuates between 97 °F (36.1

Fever, also known as pyrexia and febrile response, is defined as having a temperature above the normal range due to an increase in the body’s temperature set-point.