Vomiting in newborns can be a concerning symptom for many parents and caregivers. It can be caused by various factors, and understanding the potential causes of vomiting in newborns or neonates is important in providing the best care for your infant. Here, we will explore the possible reasons or causes for vomiting in newborns and provide some advice on identifying and managing the causes of vomiting in your infant. Here, we will discuss the reasons for vomiting in neonates, including infections, reflux, food intolerance, and more, as well as explain the best strategies for treating vomiting in newborns.


Understanding Vomiting and its Characteristics in Newborns 

Vomiting refers to the forceful expulsion of stomach contents through the mouth. Newborns can experience vomiting for a variety of reasons. This may include reflux, overfeeding, intolerance to formula or breast milk, infection, or a blockage in the digestive tract. Some characteristics of vomiting in newborns include projectile vomiting, regurgitation, and frequent spitting up. Identifying the causes of infant vomiting is essential to prevent dehydration and malnutrition.

Common Concerns of Parents Regarding Vomiting in Newborns

Parents are often concerned about the causes of infant vomiting, especially in the first few weeks after birth. Some common reasons for infant vomiting include overfeeding, feeding too quickly, or an immature digestive system. Other reasons why newborns may vomit can include infections, allergies, and reflux. Parents need to know when to seek medical attention if their newborn is experiencing vomiting that is persistent or accompanied by other symptoms.


Normal Spit-Up vs. Vomiting  

Here are Some Differences between Normal Spit-up vs. Vomiting in Newborns


CharacteristicsNormal Spit-UpVomiting
Frequency Occurs shortly after feedingAfter most feedings
AmountSmall Amount A large amount may be expelled
ForcefulnessGentleMaybe Forceful
Weight GainTypically UnaffectedMay have difficulty gaining weight
Overall BehaviourNot bothered MuchMaybe fussy or uncomfortable
Projectile VomitingNoYes



“Normal spit-up in newborns is usually a small amount of milk or formula brought up without discomfort or fuss. Conversely, vomiting involves forceful expulsion of a larger amount of food and may be accompanied by other symptoms such as fever, lethargy, or fussiness. It’s important to differentiate between normal spit-up and vomiting to determine when medical attention is necessary.”


Common Causes of Vomiting in Newborns

Here are Some Points of Common causes of vomiting in newborns:


A. Gastroesophageal Reflux (GER): 

Gastroesophageal reflux is a common cause of vomiting in newborns. It occurs when the stomach contents, including stomach acid, flow back into the oesophagus. The lower oesophagal sphincter, a ring of muscle at the bottom of the oesophagus, may not be fully developed in newborns, making them more prone to reflux. This can result in frequent spitting up or vomiting after feedings.

B. Overfeeding:

Newborns have small stomachs, and overfeeding can put excessive pressure on their digestive system, leading to vomiting. Parents may mistakenly interpret their baby’s cues as signs of hunger and feed them more than they need. Understanding and responding appropriately to a newborn’s feeding cues is important to prevent overfeeding.

C. Food Intolerance or Allergy:

Some newborns may develop intolerance or allergy to certain foods, such as cow’s milk protein or soy. A baby ingests these substances can trigger an allergic reaction or digestive problems, including vomiting. Identifying and eliminating the specific food allergens from the baby’s diet can help alleviate symptoms.

D. Infections or Illnesses:

Infections or illnesses, such as gastroenteritis (stomach flu) or urinary tract infections, can cause vomiting in newborns. These conditions may be accompanied by other symptoms like fever, diarrhoea, or lethargy. If a newborn is vomiting persistently and shows signs of illness, it is essential to seek medical attention promptly.

E. Obstruction or Blockage:

In some cases, newborns may experience vomiting due to an obstruction or blockage in their digestive system. This can occur if there is a narrowing or abnormality in the gastrointestinal tract or an object blocking the passage of food. Surgery may be necessary to alleviate the vomiting.


It is important for parents and caregivers to be aware of these common causes of vomiting in newborns and to seek medical advice if the vomiting is persistent, severe, or accompanied by other concerning symptoms. A healthcare professional can provide proper diagnosis and guidance to manage the condition effectively.

Read about the Possible causes of vomiting without fever in babies


When to Seek Medical Attention 

It is normal for newborns to spit up or vomit occasionally, but there are certain instances where medical attention may be necessary. Here are some reasons why you should seek medical attention:

1. Frequent vomiting

If your newborn is vomiting frequently, multiple times a day, it could be a sign of a more serious issue.

2. Projectile vomiting

Projectile vomiting, where the vomit shoots out of the mouth forcefully, can be a symptom of a blockage or other gastrointestinal issues.

3. Vomiting with other symptoms

If your newborn is vomiting and has other symptoms such as fever, lethargy, or dehydration, it could indicate an infection or illness that needs medical attention.

4. Blood in vomit

If you notice blood in your newborn’s vomit, seek medical attention immediately.

Remember, being cautious about your newborn’s health is always better. You should contact your healthcare provider if you are concerned about your newborn’s vomiting.

Also Read:- Silent Asthma Attacks Symptoms

Home Remedies for Vomiting in Infants

If your newborn is vomiting frequently, seeking medical attention is important. However, some home remedies and management strategies can help ease symptoms:-


  1. First, try feeding your baby smaller amounts more frequently. Overfeeding is one of the main reasons newborns vomit, so regulating their feeding schedule is important. You can also burp your baby after every ounce or two of milk to release any trapped air. 


2. You can prevent vomiting by keeping your child upright for at least 30 minutes after feeding. If your baby is lying flat, it can put pressure on their stomach and increase the likelihood of vomiting. 


3. Finally, it’s important to make sure your baby is staying hydrated. If your baby is vomiting frequently, they may lose fluids and electrolytes. Offer your baby small sips of water or an electrolyte solution to help replace what they’ve lost. 


There are many reasons why newborns vomit, and it’s important to seek medical attention if it’s happening frequently or is accompanied by other symptoms. However, these home remedies and management strategies can help ease symptoms and comfort your baby.



In conclusion, vomiting in newborns can have various causes. Gastroesophageal reflux, overfeeding, food intolerance or allergy, infections or illnesses, and obstruction or blockage are among the common culprits

It is crucial for parents and caregivers to be vigilant and know about the causes of vomiting in newborns and seek medical attention if vomiting persists, is severe, or is accompanied by other worrisome symptoms. Early diagnosis and appropriate management can help ensure the well-being of the newborn.

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