Q: My child's fever fluctuated and is now normal after taking antibiotics. Do we need an X-ray to confirm recovery from Mycoplasma pneumonia?
- Myeongchan Kim, MD
- 4 hours 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 had a high fever for 2 days, a low-grade fever for 3 days, another high fever for 1 day, and now their temperature has finally returned to normal. They haven't been officially diagnosed with Mycoplasma pneumonia. However, because the fever lasted so long after their flu shot, the doctor said it didn't seem to be a reaction to the vaccine, even though their chest sounded clear.
We were prescribed macrolide antibiotics and have finished the 5-day course. Now that the fever is completely gone and there is only a mild cough remaining, should we visit a hospital with an X-ray machine to get checked? If it was Mycoplasma pneumonia, do we need to take an X-ray to confirm they are completely cured even after the fever goes down?
Answer:
It is a great relief that your child's fever has returned to normal after finishing the antibiotics.
Do You Need an X-ray?
Since your child's symptoms are improving and their body temperature is back to normal, an X-ray is not strictly necessary at this time.
Regarding Mycoplasma Pneumonia:
Doctors sometimes prescribe macrolide antibiotics based on clinical symptoms before confirming a Mycoplasma diagnosis. If your child is actively improving, a follow-up X-ray just to confirm a "complete cure" is usually not required. A doctor will typically only recommend an X-ray if they feel it will change or guide the treatment plan.
What to Do at Home:
Hydration: Ensure your child drinks plenty of fluids.
Humidity: Keep indoor humidity levels between 40-60%.
Monitor: Keep an eye on the cough (e.g., if it worsens at night or produces colored phlegm) and observe their general activity level, appetite, and sleep.
When to See a Doctor Again:
Please seek prompt medical evaluation if you notice any of the following warning signs:
The fever returns or persists.
Breathing becomes fast, or they look like they are working hard to breathe (e.g., skin pulling in under the rib cage).
The cough worsens or produces yellow or green phlegm.
Your child complains of chest pain.
Their food or fluid intake drops significantly.
They become unusually lethargic, weak, and refuse to play.
It is very common for a mild, lingering cough to last for 2 to 3 weeks after an infection like this. However, if any of the warning signs appear or if you remain concerned about the cough, please consult your pediatrician for an in-person assessment.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
