Q: My 5-month-old isn't gaining weight or getting chubby. Should I be worried?

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: Good evening, my 5-month-old baby doesn't seem to be gaining weight or getting chubby like other babies. What could be the reason for this?

Answer: Good evening! You’re worried that your 5-month-old baby isn’t gaining weight or fat. Let’s check a few things.

Is There Really a Problem?

✅ Weight gain slows down naturally around this age—some babies have a temporary plateau before picking up again. ✅ Parents often worry unnecessarily—checking the actual growth chart is the best way to know if there’s a real issue.

What to Do Now?

✅ Track weight properly—compare with the baby’s birth weight and previous weights on a growth chart. ✅ Ensure enough feeding—offer more breastmilk or formula if needed. ✅ See a doctor if: • Baby is very weak, fussy, or refuses to feed. • Weight gain is consistently below normal on the growth chart.

Every baby grows at a different pace. If feeding is good and the baby is active, there’s usually no need to worry! 💙

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

https://fevercoach.us

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