Our website does not support this browser  


Vomiting is the involuntary expulsion of the stomach contents. An episode of vomiting will generally resolve by itself within 6 to 24 hours after it starts. It is important to ensure that they receive plenty of fluid during this time to avoid dehydration.

Why is my baby vomiting?

A food allergy such as Cows’ Milk Allergy (CMA) may be responsible for your baby’s vomiting. During your baby’s first few months, vomiting may also be caused by minor feeding problems such as eating too much. If your baby suddenly starts episodes of vomiting it may be caused by a stomach infection such as gastroenteritis.

Almost 50% of babies with CMA have vomiting as a symptom

Could it be Cows’ Milk Allergy?
Vomiting is a common symptom for babies with CMA. Babies with CMA usually experience more than just one symptom and these symptoms can be very different from one another.
If you think that your baby is vomiting more than what may be their usual amount, it may be CMA. You may have even noticed other symptoms (besides vomiting), which may affect other parts of your baby’s body.


For a simple and easy way to understand the symptoms associated with CMA, you can use our symptom checklist.

This will allow you to select all the symptoms that your baby may have that can be cows’ milk-related. You can then discuss these with your doctor.

In any case, if you have any doubts or concerns about your baby’s health, you should always seek advice from a medical professional as soon as possible. The information on this website should not replace medical advice from a medical professional.

SmilesBack App

Cows’ milk allergy (CMA) is a common food allergy in baby’s and young children but it is often challenging to diagnose and may take many months and doctors appointments. If you suspect that your baby might have cows’ milk allergy, you can use SmilesBack to help shorten the journey to diagnosis and help put smiles back where they belong.

SmilesBack is an easy-to-use app that has been developed with allergy experts and tested by parents. It enables you to easily record your baby’s symptoms and feeds and summarise them in a one-page, expert-designed report, to support your doctor before they make a diagnosis.



IMPORTANT NOTICE: Breastfeeding is the best form of nutrition for babies and provides many benefits to babies and mothers. It is important that, in preparation for and during breastfeeding, you eat a healthy, balanced diet. Combined breast and bottle feeding in the first weeks of life may reduce the supply of your own breastmilk, and reversing the decision not to breastfeed is difficult. Always consult your healthcare professional for advice about feeding your baby. The social and financial implications of using infant formula should be considered. Improper use of an infant formula or inappropriate foods or feeding methods may present a health hazard. If you use infant formula, you should follow the manufacturer’s instructions for use carefully – failure to follow the instructions may make your baby ill. Formula for special medical purposes intended for infants must be used under medical supervision.