Q: My 34-month-old has Influenza A and a persistent fever of 38°C despite an IV treatment. Should we go back for another IV tomorrow?
- Myeongchan Kim, MD
- Jun 27
- 2 min read
Updated: Jul 8
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 34-month-old toddler was diagnosed with Influenza A. We went to the hospital where my child received IV fluids and an IV fever reducer, but the fever is still stuck at 38°C (100.4°F). I have been alternating fever-reducing medications every 2 hours, but the fever isn't coming down. Should I take my child back to the hospital tomorrow morning for another IV? Or should I just continue giving the oral medications and wait for the fever to break? Also, is it safe to get an IV two days in a row?
Answer:
I understand how concerning it must be that your 34-month-old's fever is still at 38°C (100.4°F) even after receiving IV therapy for Influenza A.
Unlike a common cold, it is typical for the flu to cause a high fever that lasts for 3 to 5 days. A temperature of 38°C is very common with the flu, and as long as your child isn't showing severe symptoms, you can usually continue to manage this at home.
Home Care Guidelines:
• Adjust the medication interval: Please increase the interval from every 2 hours to every 4 hours when alternating different fever reducers to avoid the risk of an overdose.
• Acetaminophen: Can be given every 4 to 6 hours (maximum 5 times a day).
• Ibuprofen: Can be given every 6 to 8 hours (maximum 4 times a day).
• Hydration: Ensuring your child drinks plenty of fluids is the absolute most important step right now.
• Environment: Dress your child in light, breathable clothing and keep the room at a comfortably cool temperature.
Regarding IV Fluids:
Yes, IV fluids can be safely administered on consecutive days, and they are particularly helpful if a child is severely dehydrated. However, the IV fluids themselves do not directly lower the fever; they simply help maintain hydration.
When to Revisit the Hospital Tomorrow:
Please seek immediate medical evaluation if you observe any of the following:
• Fast, heavy, or labored breathing
• A fever of 40°C (104°F) or higher lasting for more than 3 days
• Signs of dehydration (e.g., no urination for more than 8 hours, no tears when crying)
• Lethargy, confusion, or unresponsiveness
• Complaints of chest pain or severe abdominal pain
If your child is drinking water well, urinating normally, and showing some interest in playing, continue with the oral medications and carefully observe their progress. The flu simply takes time to run its course. However, if your child's symptoms worsen or if you remain uncertain about their condition, please follow up with your pediatrician for an in-person evaluation.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
