Q: My child was discharged after mycoplasma pneumonia yesterday, but has a fever again. Should I wait for our follow-up appointment?
Updated: 1 day ago
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 hospitalized for a week with mycoplasma pneumonia and was discharged yesterday. During the hospital stay, the nurse told us they were no longer giving fever reducers because the fever had resolved. However, after waking up at home this morning, my child's temperature is back up to 38.4°C (101.1°F). We have an outpatient follow-up appointment scheduled for the day after tomorrow. Should we head back to the clinic right away today, or is it safe to give an antipyretic and monitor at home?

Answer:
It can be concerning to see a fever return so quickly after bringing your child home from a hospital stay.
Following a mycoplasma pneumonia infection, it is not uncommon for low-grade fevers or temperature fluctuations to linger for a few days due to ongoing airway inflammation, even after the acute phase has improved and antibiotics have been completed.
What You Can Do at Home
Fever Reducers: You may administer an age- and weight-appropriate antipyretic (such as acetaminophen or ibuprofen) if your child feels uncomfortable, fussy, or is in pain.
Keep Hydrated: Offer small, frequent sips of fluids throughout the day (water, electrolyte solutions, or mild broth).
Rest and Comfort: Dress your child in light, comfortable layers, keep the room at a comfortable temperature, and encourage quiet rest.
When It Is Safe to Wait for the Follow-Up Appointment
You can generally monitor your child at home until your scheduled visit in two days if:
The fever comes down after taking a fever reducer, and your child seems brighter, playful, or willing to eat and drink.
Breathing remains calm and unlabored.
Your child is urinating regularly and staying hydrated.
Their overall condition is not worse than when they were discharged.
When to Seek Immediate Medical Evaluation
Contact the hospital, visit an urgent care center, or go to the emergency room immediately if you notice any of the following warning signs:
Breathing Difficulties: Rapid breathing, grunting, flaring nostrils, or the chest/ribs visibly pulling inward with each breath (retractions).
Cyanosis: A bluish or grayish color around the lips, tongue, or nail beds.
Lethargy: Extreme drowsiness, difficulty waking up, or poor responsiveness.
Severe Dehydration: Inability to keep fluids down, persistent vomiting, or no urination for more than 8 hours.
Persistent High Fever: A temperature rising above 39.5°C (103.1°F) or a fever that does not decrease at all after appropriate doses of medication.
If your child remains comfortable, breathes normally, and stays hydrated, you may continue monitoring them at home and discuss the fever during your follow-up appointment. However, if any red flags develop or your child's condition worsens, please seek in-person medical evaluation right away.

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





