Q: My child was treated for Mycoplasma pneumonia a month ago and has a mild fever of 37.9°C. Do we need a flu test?

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 was treated for Mycoplasma pneumonia about a month ago. Since yesterday, they have been running a mild fever, with the highest temperature reaching 37.9°C. Fortunately, there are no other symptoms. Should we take them to get tested for the flu?

Answer:

It is completely understandable to be concerned about a mild fever following your child's recent treatment for Mycoplasma pneumonia. A temperature of 37.9°C falls into the mild fever range, and it is a reassuring sign that there are no other accompanying symptoms at the moment.

Regarding the recovery process after Mycoplasma pneumonia, it can take anywhere from 4 to 6 weeks for a full recovery. During this period, it is not uncommon for a mild fever to occur, as the body's immune system may be temporarily weakened.

Based on the current situation—a mild fever of 37.9°C with no other symptoms—you can safely observe your child at home. Please ensure they get plenty of rest and stay well-hydrated. Keep a close eye on their overall activity levels and appetite.

You should consider visiting a doctor for a flu test if you observe any of the following:

• A high fever of 38.5°C or above

• The onset of symptoms like coughing, a runny nose, or body aches

• Known contact with someone diagnosed with the flu

• The mild fever persists for more than 3 days

⚠️ When to seek immediate medical attention:

Please visit a hospital or clinic right away if your child experiences:

• Difficulty breathing or chest pain

• A fever spiking over 38.5°C

• Severe lethargy or a significant drop in appetite

• A returning or worsening cough

For now, you can continue to monitor your child at home. However, because of their recent history with pneumonia, it is best to observe them very carefully. If you notice any sudden changes or worsening of their symptoms, please seek an in-person medical evaluation immediately.

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

fevercoach.us

Apple App Store

Google Play

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