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  1. When Is a Fever Too High? - Verywell Health

    Dec 20, 2025 · Adults with a fever of 105 degrees F or more should seek emergency care. A fever of 100.4 degrees F in a child younger than 3 months requires immediate medical attention.

  2. How Bad Is A 104 Degree Fever? - Understanding Fever Temperatures

    Jan 20, 2018 · How Bad Is A 104 Degree Fever? A high fever, such as one over 104 degrees, is not generally life threatening or an immediate need to rush to a doctor if you are an adult.

  3. High Fever in Adults and Kids: When Is A Fever Dangerous?

    In adults, a high fever is generally considered to be 103° F or higher. Once a temperature climbs into the 104-107° F range, it’s no longer just a high fever – it’s a dangerous fever called hyperpyrexia. A fever …

  4. When To Take Your Child to the Hospital for a Fever

    Oct 24, 2024 · Lim explains how to spot a worrisome fever in children and when to take your baby to the hospital for a fever. A “normal” body temperature is 98.6 degrees Fahrenheit, or 37 degrees Celsius, …

  5. Fever in adults: When to worry - Harvard Health

    Adults usually have a fever when their temperature reaches 100.4 ° F. Learn the warning signs and when to get medical attention.

  6. Fever in Teens: Care Instructions - Kaiser Permanente

    Call your doctor now or seek immediate medical care if: You have a fever of 104°F or higher. You have a fever that stays high. You have a fever and feel confused or often feel dizzy. You have trouble …

  7. Fever in adults: Symptoms, treatment, and when to seek help

    Mar 31, 2020 · As a general rule, adults should consider seeking medical attention if their temperature reaches above 104 °F (40°C). Doctors consider this temperature to be a high-grade fever. However, a...

  8. Fever Chart Guide - When to Go to the ER | CHOC - When to ...

    In this guide, you’ll get all the information needed to decide how to best help your baby, infant or child when they have a fever. What is a fever? Go to the nearest emergency room. Call pediatrician. If you …

  9. Your body temperature is 40.4°C (104.72°F)? | FeverEasy.com

    Fever 40.4°C (104.7°F)? - yes, you might have fever!

  10. Causes of High Fever in Children and When to Worry | UPMC

    Sep 5, 2023 · Typically, the younger the child, the quicker the response. If your infant is under 3 months of age and has a fever of 100.4° Fahrenheit or higher, you should seek immediate medical attention. …