Q: My 27-day-old newborn is suddenly having only green stools. Is this normal or should we visit the hospital?

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 baby is 27 days old. Previously, they would have a green stool once or twice a day, but from last night until this morning, all of their stools have been green. Is this okay, or should I take my baby to the hospital?

Answer:

It is completely understandable to be concerned about the change in your 27-day-old baby's stool color.

Understanding the Current Situation

Green stool itself is very common in newborns and is usually perfectly safe. The stool can appear green due to a fast bowel transit time or simply because bile is mixed into it.

What to Check at Home

To ensure your baby is doing well, please monitor the following:

• Feeding: Is your baby feeding at least 8 times a day?

• Urine: Is your baby producing at least 6 sufficiently wet diapers a day?

• Behavior: Is the baby eating well, sleeping well, and crying as they usually do?

• Weight: Is the baby showing a steady weight gain trend following the normal initial weight loss after birth?

When to Visit the Hospital

If you notice any of the following warning signs, please visit a pediatrician today:

• White, gray, or black (tar-like) stools

• Bloody stools (red streaks) or excessive mucus

• Refusing to feed or repeated vomiting

• Fewer than 6 wet diapers a day or dry lips (signs of dehydration)

• A fever of 38.0°C (100.4°F) or higher

• Lethargy or unusually weak responsiveness

Reassurance & Next Steps

If your baby is exclusively having green stools but shows none of the warning signs listed above, it is generally safe and you can simply discuss it at your next regular check-up. If you are breastfeeding, an imbalance between the watery foremilk and the richer hindmilk can sometimes cause green stools. If you are formula-feeding, a recent change in the formula brand might also be the cause.

Please continue to carefully monitor your baby's feeding, wet diapers, and overall behavior today. If you notice any concerning changes or if any of the warning signs appear, please consult your pediatrician immediately 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.

fevercoach.us

Apple App Store

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