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Q: My 6-month-old has a fever and diarrhea. Could it be teething, and what should I do?

  • Myeongchan Kim
  • Sep 26, 2025
  • 2 min read

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 6-month-old daughter has had a fever and diarrhea for two days. I've been giving her ORS and paracetamol, but the diarrhea got worse overnight. People are telling me it's just teething. As a first-time mom, I'm worried. What should I do?


Answer: Good day! It’s understandable to be concerned about your baby’s fever and diarrhea. While teething is often blamed, it typically does not cause true fever or diarrhea. Here’s how you can proceed:

Immediate Steps: * Check the Temperature Accurately: Use a reliable thermometer (like a rectal or underarm thermometer) to confirm if it’s a true fever. Fever is defined as ≥38°C (100.4°F). * Monitor Hydration: Continue giving small, frequent sips of ORS (50–100 mL after each loose stool). Look for dehydration signs like fewer wet diapers, dry mouth, or no tears when crying. * Monitor Weight: Ensure her weight is stable. Any noticeable weight loss could indicate dehydration or worsening illness. * Paracetamol: If her fever is above 38°C (100.4°F), give paracetamol at the correct dose (15 mg/kg every 4–6 hours). For her weight (7.2 kg), that’s around 108 mg per dose.

When to See a Doctor: Seek medical attention if: * Fever persists for more than 2 days or exceeds 39°C (102°F). * There are signs of dehydration (no urine for 8+ hours, sunken eyes). * Diarrhea contains blood or mucus. * She becomes lethargic, irritable, or unresponsive. * There’s a noticeable drop in her weight.

Additional Tips: * Breastfeeding: Keep breastfeeding if possible—it’s great for hydration and nutrition. * Skin Care: Use a barrier cream for diaper rash caused by frequent diarrhea.

Since her symptoms are worsening, a pediatrician should evaluate her to rule out infections or other causes. You’re doing an amazing job managing this as a first-time mom! Hang in there—you’ve got this.



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






 
 
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