Breastfed Baby Spitting Up Curdled Milk: Why and What to Do?

Read what is normal and unusual spitting up, along with everything you need to know

Because your little doll is too cute to handle, you may not bother his/her wetting or puking. But you notice your newborn is spitting up milk and sometimes curdled milk, is it a matter to worry? Should I rush to a hospital? First of all, it is normal, your baby is just behaving as a baby. Here is a brief guide to what’s happening.

The reasons for spitting:

Your baby is new to this world, his/her body and organs are not mature enough, it will gradually develop with time. They are not ready to take the workload. That is why babies are given simple food – milk to drink. The stomach is just about the size of a closed fist, and you with all your love want to feed your baby more. From mouth, the milk runs to esophagus to the stomach, where a valve prevents the milk from running backward that is back to the mouth. But as I mentioned earlier, if the valve is not working properly, there are chances that the milk would flow backward. Sometimes, the milk would come from the nose instead of mouth, that time do not panic, just use your fingers to throw the milk out by squeezing the nose or use your mouth to suck the milk out. Do it fast, as your baby might panic and the milk would create more trouble if the baby breathes in like it would burn or enter the windpipe of the baby. The curdled milk is the milk which was fed earlier, present in the tummy. It is not a matter to worry.

Reflux- the backward flow of milk.

Acid Reflux– when stomach acid along with milk flows back it is termed as acid reflux.


  • The reflux can happen as the stomach and valves are immature.
  • Ineffective coordination of gastrointestinal tract.
  • Milk completely filling the tummy.
  • Milk exceeding the tummy space.
  • The position of the baby while drinking or after drinking.
  • No proper burping.
  • No effective digestion.
  • Does not like the milk content.
  • Intolerance to lactose and milk proteins

How to stop?

  • Let the gravity do its work, keep your baby in an upright position while feeding and after feeding.
  • Lay your baby on your shoulders and tab on the back of the baby, so that the baby burbs.
  • Giving regular breaks while feeding.
  • Feed your baby only for 10 minutes and give breaks to 2 hours until next feeding.
  • Turn your baby to one side for some time when the baby is spitting up.
  • Keep a check in the mother’s diet, as what mother eats is converted to milk for baby.
  • Consult a doctor for further medication.

A matter of importance: (Unusual spitting)

  • See if the baby is losing his/her weight during the period of spitting up.
  • If dehydration is attacking your baby.
  • A sunken soft spot.
  • Fever, diarrhea, and difficulty in breathing.
  • Blood while spitting up- find out the origin of blood, as blood may come from breastfeeding mothers too which the baby might have sucked.
  • Continuous spitting up, every time the baby drinks.
  • Consult a doctor when your baby is spitting large amount of milk or any of the above mentioned.

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