A fever is a temporary rise in body temperature. It's one part of an overall response from the body's immune system. A fever is usually caused by an infection. For most children and adults, a fever may …

A fever is when your body temperature rises higher than normal. Learn more about fevers including what providers consider a real fever.

Apr 21, 2020 · A fever is the body's way of battling an illness. Here's how to tell if you have a fever, plus what you should do and when you should seek help.

Nov 15, 2023 · Fever in children: When to worry You should reach out to your pediatrician if your child 6 months to 2 years: Has a fever higher than 102 F for more than 1 day. Has other symptoms, such as …

Sep 3, 2025 · Fever is an elevation in the body's temperature. It's not a disease but rather a sign or response to something occurring within the body, most commonly an infection. Noninfectious …

May 30, 2025 · A person has a fever when their temperature is higher than 100°F (38°C). Learn about fever types, symptoms, causes, and treatments in this article.

Get the facts on severe fever treatment (in children and adults) and symptoms. Learn about causes of fever, home remedies to bring down a high fever, ways to prevent fever, and find out when to call a …

A fever is a body temperature that is higher than normal. It usually means there is an abnormal process occurring in the body.

Fever in adults: When to worry Infection is a common cause of fever, but other conditions can also bring the heat. Fever is one of the body's most effective ways of fighting infection. It is part of your body's …

Fever symptoms vary depending on the type of fever, the temperature, and the cause. A fever in adults can produce different symptoms than children may have. Beyond an elevated body temperature, …