Pyrexia - Fever

What are the signs and symptoms of the condition?

The signs and symptoms of a fever depends on what is causing it. At first, a fever can cause a chill. When the brain raises the body's "thermostat," the body responds by shivering to raise the temperature. Shivering produces heat in the body. Once the temperature goes up, the person often feels warm. When the fever goes away, the person may start to sweat. [Fauci]