What constitutes a fever? Fever and normal body temperature charts

Normal body temperature ranges 97.5-98.9°F. Anything above 100.9 (100.4 for children) constitutes a fever. Use our body temperature charts and learn how to break a fever.
While a fever might be uncomfortable (and even slightly worrisome), it's not inherently bad. A high temperature is the body's way of fighting an infection, or responding to a traumatic injury. It’s a natural bodily response, a sign that the immune system is gearing up for a battle. Still, questions remain. What are the different types of fevers? When is a fever too high? How do you treat one? Those answers (and more) are just a short scroll away.

The Amazing Guide to Normal Body Temperature: A Must-Read for All Ages

Osmosis from Elsevier on X: Today's #DecisionTreeBranch guides you through diagnosing and treating postoperative fever, which is defined as a systemic body temperature at or above 38 degrees Celsius or 100.4 degrees

Normal Body Temperature By Age – Forbes Health

How to recognize a fever and when to seek help, for every age group

Fevers: Symptoms, Causes, Diagnosis, and Treatment

When is body temperature too low? - Harvard Health

CH103 - Chapter 8: Homeostasis and Cellular Function - Chemistry

Fever chart - The Lancet

What a Normal Body Temperature Is