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 …

May 31, 2023 · 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 …

5 days ago · Persistent low-grade fever can be easy to dismiss, but when a fever that won't go away lingers for days or weeks, it may be the body's way of signaling an underlying problem. …

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 …

Jun 5, 2025 · Discover what causes fever, how to manage symptoms at home, when to worry, and when to seek urgent care. A complete guide to understanding fever.

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 …

3 days ago · Understand the medical definition of fever, specific temperature thresholds, and the exact symptoms that require immediate medical attention.

What is a fever and what should I do if I get one? Get answers to common questions on the condition that impacts everyone from children to adults.