Baby Throw Up Mucus: everything parents should know about so that you can give according treatment to your beloved baby.

Understanding Baby Throw Up Mucus

Being a parent, you definitely face with baby vomiting/baby throw up mucus several times or even more in your lifetime. How do you at that time? Worry if there is something wrong with your baby? Or angry because she throws up all you hardly fed her before? If you understand this phenomenon, you may stop negative feelings and find some ways to help your baby. Fortunately, most babies are growing up healthy and happily even though they vomit frequently

Baby Care


Causes of baby vomiting mucus

Generally, baby throw up mucus develop in young babies and get better by time because their immature digestive system. In normal, the small valve between stomach and oesophagus keeps food stayed in stomach waiting to be digested. However, to young babies, this valve is week and not fully formed. So after a small impact, the valve is easy to be opened and lets undigested food vomited up. Let go through some impacts that may trigger baby throw up mucus.


As mentioned above, the valve on top of baby’s stomach is week and hardly stops food from pass back up through mouth. Too much feeding turns baby’s tummy into a fully vase with loose cork. Obviously, consequence is baby throwing up.

Gassy tummy

Swallow too much air while feeding also makes your baby’s tummy full and lead to reflux.

Fast milk flow feeding your baby, if milk let down too fast due to rich breast-feeding source or big size of nipple, your baby are more likely to vomit up. That is normal reaction of the body.


Introduce your baby with new kind of food especially allergen such as seafood may irritate her immune system and provoke nausea and reflux.

Galactosemia is a serious allergy as well while your baby’s body is intolerant to milk originated from human or animal. Its symptoms are similar as other allergies ’ones but this condition is chronic.  You can only control it by switching to soy formula milk.

Other illness infection

Besides, other illnesses which often develop in young child such as respiratory infection or fever are also triggers of baby vomiting. In such cases, throwing up mucus is the way immune system protests and clear body. See how to take care of your baby in fever.


How to control baby throw up mucus?

Reduce amount of milk baby takes in each time

You may try to divide food amount into small parts each time then feed your baby more often. That prevents overfeeding as far as guarantee total amount of milk baby takes in per day.

Control milk flow while feeding

As we all know choking in feeding is very dangerous to baby, so try to manage milk flow by holding your nipple during breastfeeding or using small size nipple if using baby bottle.

Burp baby after feeding

After feeding, it is recommended to handle your baby gently, keep her upright and burp her. Then let her lying in reclining position for at least 20 minutes.



When you should take baby vomiting serious?

Though baby throw up in most cases is totally normal and will get better over time, you should pay attention and notice some symptoms that shows baby vomiting is sign of a severe condition:

  • Projectile baby vomiting many times per day. It’s normal that your baby vomit a little mucus after feeding, But projectile vomiting many times per day may a sign of allergy or something wrong with the digestive system. Too much baby vomiting mucus causes dehydration as well.
  • Your baby gets choked on mucus. When mucus is overproduced then not fully thrown out through the mouth, it may block the airways. It‘s very dangerous because baby is not able to throw the mucus out on her own and may get choked. Without adequate prompt reaction, choking would leave severe consequences on her or even lead to death.
  • Baby throw up mucus interferes with baby’s breathing. While you hear that baby’s breath comes along with some noises of fluid, that may indicates little amount of mucus penetrated into lungs.
  • Baby vomiting mucus contains bright yellow, orange or green fluid. It points out some bile fluid merged into baby throw up mucus. However, if the mucus consists of little dark red or brown fluid, that may be because your nipple blooded and somehow your baby swallows some blood. It’s totally normal and has nothing to worry about.  
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