Q: My child has a high fever of 39.5-40°C. Should I give a fever reducer, go to the ER, or visit a pediatrician for an injection?
- Myeongchan Kim, MD
- 1 day ago
- 2 min read
Medically reviewed by Sang Hyun Ahn, MD
Content edited by Myeongchan Kim, MD
This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.
Question:
My child's temperature is fluctuating between the high 39s and 40°C. What should I do first? Should I give them a fever reducer and observe, rush to the emergency room, or go to a pediatrician who administers fever-reducing injections? What is the best course of action?
Answer:
I understand how worrying it can be when your child's fever fluctuates between 39.5°C and 40°C. The best course of action depends heavily on your child's age and overall condition.
Here is the recommended approach:
When to visit the Emergency Room immediately:
• If your baby is under 3 months old.
• If the fever is accompanied by decreased consciousness (extreme lethargy), difficulty breathing, seizures, or purple spots on the skin.
• If your child has not urinated for over 8 hours.
• If your child has a stiff neck or is extremely sensitive to light.
General order of action:
Give a fever reducer first: Administer the correct dosage of acetaminophen or ibuprofen based on your child's weight.
Evaluate after 1 hour: Focus on observing your child's overall condition (such as their ability to play, eat, and their responsiveness) rather than just focusing on the number on the thermometer.
Seek medical attention: If your child's condition remains poor or worsens despite the medication, visit the emergency room or your pediatrician.
Regarding fever-reducing injections:
• They have the same overall effect as oral medications and do not work faster.
• They are generally only necessary if a child cannot keep oral medication down due to severe, persistent vomiting.
• They are not routinely recommended due to the potential risk of side effects.
Remember, how sick your child appears and behaves is much more important than the exact temperature of the fever itself. If you are ever in doubt about your child's condition, or if the high fever and severe symptoms persist, please seek an in-person evaluation from a doctor immediately.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
