Q: My child's temperature is 37.5°C after being fever-free. Does this mean we need to go back to the clinic?
- Myeongchan Kim
- 2 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:
I took my child to the doctor today. They had a fever for three full days, but it finally broke yesterday (staying under 37.5°C all day). The pediatrician instructed us to return for a re-evaluation if the fever comes back; otherwise, we should finish the five-day course of prescribed antibiotics. This evening, my child's temperature was 37.5°C. When doctors say to return if a "fever" occurs, do they usually mean a temperature of 38.0°C or higher? The clinic is quite far and currently unreachable by phone.
Answer:
When a doctor advises you to return "if a fever occurs," they generally mean a core body temperature of 38.0°C (100.4°F) or higher. A temperature of 37.5°C is considered a mild, low-grade fever. Because your child was fever-free all day yesterday and their temperature only rose slightly in the evening, it is highly likely that an urgent re-evaluation is not necessary right now.
Here is what is recommended for your current situation:
• Monitor the temperature trend tonight to see if it reaches 38.0°C or higher.
• Continue taking the prescribed antibiotics exactly as directed.
• Observe your child's overall condition, including their activity level, appetite, and sleep quality.
You should seek a re-evaluation if:
→ A fever of 38.0°C or higher returns.
→ Your child's condition worsens even without a high fever (e.g., extreme lethargy, refusing to drink or eat).
→ New symptoms develop (e.g., a worsening cough, difficulty breathing, or a new skin rash).
→ There is no overall improvement in their condition within 48 hours of starting the antibiotics.
It is completely normal for body temperatures to be slightly higher in the late afternoon and evening. Please check your child's temperature again tomorrow morning. If it reaches 38.0°C or higher, or if you are concerned about your child's overall well-being, please visit 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.




