Q: My child has had a low-grade fever for 5 days after pneumonia. Past pneumonias were only caught on X-ray. Should we see a doctor now or wait until our Monday appointment?
- Myeongchan Kim
- Jun 1
- 4 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:
Hello. I previously consulted about my child taking antibiotics and steroids for an extended period due to sinusitis and pneumonia.
Recently, on Monday, my child developed a severely stuffy nose and a fever again. We visited the pediatrician, and the doctor said my child had been on antibiotics for too long. Since the current symptoms weren't severe, we only received symptom relief medication and a fever reducer. After one dose of the fever reducer, the fever dropped. Because my child has a history of febrile seizures, I usually use 37.8°C as the threshold for giving medication. The temperature peaked at around 37.7°C, which wasn't high enough for another dose, and then hovered around a slightly elevated 37.3°C, so I haven't been checking it constantly.
On Thursday, we had a follow-up. The doctor mentioned there was still a lot of mucus but it wasn't severe, so they prescribed similar medications and told us to come back next Monday. However, since yesterday evening, the low-grade fever has returned, going up to 37.7°C. It feels like this low-grade fever has been lingering for 5 days since Monday.
My child's overall condition is good—they are eating and playing well. Should we just monitor the situation and wait for our Monday appointment, or should we see a doctor tomorrow? Our regular pediatrician doesn't have an X-ray machine. I am particularly worried because, in the past, my child's lung sounds were clear when listened to with a stethoscope, but an X-ray later confirmed pneumonia. Thank you in advance.
Answer:
It is completely understandable that you are worried about a lingering low-grade fever for 5 days, especially after recurrent infections and your child's specific medical history.
To summarize the current situation: your child has had a low-grade fever (37.3~37.7°C) since Monday, is eating and playing well, and has comfortable breathing. However, there is a recent history of long-term antibiotic and steroid use, as well as past instances where pneumonia was missed by a stethoscope but confirmed via X-ray.
Here is what you should do at home right now:
Monitor Breathing: This is crucial. Check your child's breathing 2 to 3 times a day. Look for an increased breathing rate (for a 1-5 year old, a normal resting rate is under 40 breaths per minute), chest retractions (skin pulling in under the ribs), nostril flaring, or wheezing.
Hydration and Activity: Encourage plenty of water or clear broths. Ensure your child is urinating normally (at least 4 to 6 wet diapers or bathroom trips a day).
Nasal Care: Use saline drops and a nasal aspirator to clear secretions, and keep indoor humidity around 40-60%.
Track Temperature: Check and record the temperature twice a day (morning and evening) to see if it is trending upward or staying flat.
When to seek immediate medical care (Urgent Care or a clinic with an X-ray):
Please take your child to be evaluated immediately if you notice ANY of the following:
Increased breathing rate, chest retractions, wheezing, or grunting sounds.
No urination for 8+ hours, or physical signs of dehydration like dry lips and tongue.
Noticeable lethargy, lack of energy, or refusing to play.
The fever reaches 38.0°C or higher, or your child seems very unwell even after taking a fever reducer.
The cough suddenly worsens, or mucus/phlegm changes from clear/yellow to green or brown.
When it is okay to wait until your Monday appointment:
You can safely observe your child at home until Monday if ALL of the following are true:
None of the red flags listed above occur.
The temperature remains flat at or below 37.7°C.
Eating, drinking, playing, and sleeping remain at their normal, healthy levels.
Regarding your child's history of "hidden" pneumonia:
Because your child has a history of pneumonia that sounded clear through a stethoscope but appeared on an X-ray, changes in breathing patterns are your most important warning sign. If you see any signs of labored breathing (fast breathing, retractions, wheezing), you should visit a facility with an X-ray machine immediately.
If breathing remains completely normal and only the low-grade fever persists, you can wait until your Monday appointment. During that visit, be sure to clearly remind the doctor: "My child has had a low-grade fever for 5 days and has a history of pneumonia that was only visible on an X-ray. Do we need to do an X-ray to be safe?" You can also ask them about the specific criteria they are using to decide if antibiotics are needed again.
Start by closely monitoring your child's breathing and hydration today. If you feel uncertain at any point or if your child's condition changes over the weekend, do not hesitate to seek an in-person medical evaluation.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
