Q: My 10-month-old has a persistent fever around 38.6°C despite alternating medications and a whooshing sound in their chest. What should I do?
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 10-month-old baby started running a fever around 38.6°C (101.5°F) early this morning. I gave a fever reducer, but they were whining, couldn't fall asleep easily, and the fever wouldn't break, so I alternated with a different medication. The fever dropped slightly around 6:00 AM, but by 9:00 AM it was back up to 38.0°C and has stayed near 38.6°C despite alternating fever reducers again.
My baby is unusually clingy and fussy, whines before falling asleep, and when I put my ear to their chest, I hear a "whooshing" or whistling sound. There are no obvious cold symptoms like a runny nose or cough. What should I do?
Answer:
It is understandable to be concerned when a fever stays elevated and your baby is unusually fussy.
An unusual sound in the chest—such as a whooshing, whistling, or rattling noise—can occur when mucus or secretions pool in the airways or the back of the throat. Because respiratory conditions can progress quickly in a 10-month-old, careful observation of their breathing is essential.
Watch for Immediate Red Flags
Seek emergency medical care immediately if you notice any of the following:
Respiratory distress: The skin sucking in deeply between or beneath the ribs (retractions), nostrils flaring with each breath, rhythmic grunting, or fast/labored breathing.
Color changes: Pale, gray, or bluish lips, tongue, or nail beds.
Altered responsiveness: The baby is unusually limp, will not make eye contact, or is difficult to wake up.
Signs of dehydration: No wet diaper in over 8 hours, no tears when crying, or a dry mouth.
At-Home Care Guidance
Stick to one fever reducer: Alternating between acetaminophen (Tylenol) and ibuprofen (Motrin/Advil) can increase the risk of dosing errors and confusion. It is generally safer to choose one medication and administer it strictly according to your baby's weight and the recommended time intervals. Keep in mind that the primary goal of a fever reducer is to make your baby more comfortable, not necessarily to bring the temperature all the way down to normal.
Focus on hydration: Offer small, frequent sips of breast milk, formula, or water every 5 to 10 minutes. Hydration is more critical than solid food right now.
Keep the environment comfortable: Dress your baby in a single layer of lightweight clothing and maintain a comfortably cool room temperature. Avoid cold baths or excessive bundling.
Next Steps:
Because your baby has a persistent fever, is notably uncomfortable, and has an abnormal sound in their chest without classic cold symptoms, you should have them evaluated by a doctor. Contact your pediatrician's office today to schedule an evaluation, or visit a local urgent care clinic or emergency room if your doctor is unavailable or if you observe any signs of labored breathing or lethargy. An in-person examination of their lungs, ears, and throat is necessary to determine the cause and ensure appropriate treatment.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
