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Q: Should I take my 6-year-old to the ER for a high fever of 39.2°C two weeks after a tonsillectomy?

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:

Illustration for the question: Should I take my 6-year-old to the ER for a high fever of 39.2°C two weeks after a tonsillect…

Hello doctor! My 6-year-old child had a tonsillectomy and adenoidectomy about two weeks ago. A few days ago, there was an episode of bleeding from the throat that lasted for about 30 minutes. My child also had a mild fever around 38.3°C during the first week after surgery, which eventually went down.


However, starting this afternoon, a high fever of over 38.5°C began. Even after giving fever reducers, the temperature keeps spiking up to 39.2°C. The hospital originally told us to go to the emergency room if a high fever occurs after surgery, but since it has been over two weeks, I am not sure if going to the ER is still necessary.


Current symptoms include a mild runny nose and a slight cough. My child is not taking any prescription medications right now. We were recently told by a doctor that the surgical site is about 70-80% healed. Should we go to the emergency room? Is it possible that this fever is just from a different cold virus?


Answer:

Hello! I understand you must be very worried about your child's sudden high fever while recovering from a tonsillectomy.


You need to visit the emergency room immediately.


Why an ER visit is necessary right now:

  • Risk of infection: The combination of a recent post-operative bleeding episode and a current high fever raises significant concern for an infection.

  • Unresponsive fever: A high fever of 39.2°C that does not respond to fever-reducing medications requires immediate medical evaluation.

  • Incomplete healing: The surgical site is not yet completely healed, leaving it vulnerable to complications.


Possible causes for the fever:

  1. Secondary infection at the surgical site: This is the most concerning possibility and needs to be ruled out or treated promptly.

  2. Common cold or viral infection: While the runny nose and cough might suggest a standard respiratory virus, this must be clinically differentiated from surgical complications by a doctor.

  3. Post-operative inflammatory response.


Even though your child has mild cold symptoms, the recent history of throat bleeding combined with a persistent, unresponsive high fever mandates a prompt evaluation by a medical professional. An infection at a recent bleeding site requires rapid treatment.


When you go to the ER, please remember to:

  • Bring your notes regarding the surgery date and the exact timing of the recent bleeding episode.

  • Show the medical staff your child's temperature log and the times you administered fever reducers.

  • Explicitly mention that you are concerned about post-tonsillectomy complications.


For your child's safety, please head to the nearest emergency room right away for an in-person assessment. I hope your child feels better and recovers quickly!

Illustration for a doctor's answer about: Should I take my 6-year-old to the ER for a high fever of 39.2°C two weeks after a…

For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.







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