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Q: My 8-year-old had the flu and is now having diarrhea with red stool. Should we go to the hospital?

  • Myeongchan Kim
  • 8 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:

My 8-year-old child was diagnosed with the flu on Thursday. The fever is gone, but they started having diarrhea yesterday and just passed a red-colored stool. Should I take my child to the hospital tomorrow for a test right away? Or is it okay to have them drink plenty of water and just observe them for a few days?


Answer:

It is completely understandable to be alarmed by your 8-year-old having diarrhea and red-colored stool after a flu diagnosis.


Things to check right now:

  • Stool color: Is it bright red blood, dark red, or possibly due to something they ate or drank (such as red fruits, juices, jelly, or medication)?

  • Abdominal pain: Is your child in severe pain, or do they cry when you gently press on their stomach?

  • General condition: Are they lethargic, are their lips dry, or has it been more than 8 hours since they last urinated?


When to seek immediate emergency or urgent care:

Please go to the ER or an urgent care clinic today if your child experiences any of the following:

  • Continuous diarrhea mixed with bright red blood, or a large amount of blood in the stool.

  • Severe abdominal pain (e.g., crying or curling up when the stomach is touched).

  • Extreme lethargy or no urination for more than 8 hours (severe dehydration).

  • Repeated vomiting or a return of a high fever (38.5°C / 101.3°F or higher).


What you can do at home right now:

  • Offer small, frequent sips of water or an oral rehydration solution (like Pedialyte) to prevent dehydration.

  • Avoid greasy foods and dairy products. Instead, offer soft, bland foods like rice porridge, bananas, or toast.

  • Take a clear picture of the next stool (noting the color, amount, and frequency) to show the doctor during your evaluation.


When it is safe to visit the pediatrician tomorrow:

If your child does not have any of the emergency signs listed above, the diarrhea seems to be decreasing, or you suspect the red color might be due to food or medication, it is generally safe to wait. Contact your pediatrician tomorrow, show them the photo of the stool, and discuss whether a professional stool test or in-person examination is necessary.


In summary: If you notice bright red blood, severe abdominal pain, or signs of dehydration, seek urgent medical care today. Otherwise, keeping them hydrated and consulting your pediatrician tomorrow is the safest approach.



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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