Newborn Spits Up While Sleeping: What Parents Can Do

what to do if newborn spits up while sleeping

It can be distressing for new parents to see their newborn spit up while sleeping. However, it is a common occurrence in infants and is usually not a major cause for concern. Spit-up happens when a baby has difficulty digesting milk or formula, causing the contents of their stomach to flow back up into the oesophagus and sometimes out of the mouth. This is due to the immaturity of a baby's digestive system and the fact that the valve between the stomach and the oesophagus, known as the lower oesophageal sphincter, is still developing. To reduce the likelihood of spit-up, parents can adjust their baby's sleeping position, ensure proper burping techniques, and make changes to their feeding routine.

Characteristics Values
Cause Difficulty in digesting milk or formula
Occurrence Common in infants
Reason Lying down soon after feeding, full stomach, swallowing air during feeding, sensitive stomach
Action Items Monitor baby, adjust sleeping position, use proper burping techniques, hold baby upright after feeding, limit baby's activity after feeding, provide more frequent smaller feedings, reduce baby's exposure to smoke
Safe Sleeping Position On their back

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Understand why newborns spit up

Spitting up, also known as reflux, is a common occurrence in infants and is generally not a cause for concern. It happens when the contents of the baby's stomach, typically milk or formula, flow back up into the oesophagus and sometimes out of the mouth. This occurs because the valve between the stomach and the oesophagus, known as the lower oesophageal sphincter, is still developing in infants, making it easier for the stomach contents to come back up. Spit-up often happens during or shortly after feeding, especially if the baby lies down soon after.

Babies who are particularly full, have swallowed air during feeding, or have sensitive stomachs may be more prone to spitting up. Additionally, about 50% of babies will spit up repeatedly, with the spit-up period typically peaking at four months. While it's not uncommon for babies to spit up during the entire first year, reflux usually lessens or ends by the baby's first birthday as their digestive system matures.

In most cases, spitting up is a normal part of infancy due to the immaturity of a baby's digestive system. It is also important to note that babies have a natural reflex that prevents them from choking on spit-up. They will often turn their head to the side or swallow it back down. This reflex is one of the reasons why it is recommended that babies sleep on their backs, as this position helps to reduce the risk of Sudden Infant Death Syndrome (SIDS) and ensures they can clear spit-up easily.

To help reduce the amount of spit-up, parents can hold their baby upright after feedings, limit the baby's activity after feedings, and burp the baby frequently during and after feedings. Providing smaller, more frequent feedings and reducing the baby's exposure to smoke in the home can also help.

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Learn the difference between harmless and concerning spit-up

While it can be alarming to see your newborn spit up during sleep, it's a common occurrence in infants and usually not a cause for major concern. Spit-up, also known as reflux, typically happens when babies have difficulty digesting milk or formula. This is because their digestive systems are still developing, and their immature oesophageal sphincters can cause milk to come back up, especially after feeding.

To help you understand the difference between harmless and concerning spit-up, here are some key points:

  • Harmless spit-up is a common part of infant development. It is usually not a cause for concern unless it becomes forceful vomiting or is accompanied by other symptoms.
  • Newborns often spit up because their small stomachs are still developing, and they may have difficulty digesting milk or formula. This can result in the contents of their stomach flowing back up into the oesophagus and sometimes out of the mouth.
  • Healthy babies have natural protective reflexes that prevent them from choking on spit-up. They will often turn their head to the side or swallow it back down.
  • To reduce the likelihood of spit-up, it is recommended to place your baby on their back to sleep, as this is the safest position to reduce the risk of Sudden Infant Death Syndrome (SIDS).
  • You can also try burping techniques, such as proper burping after feeding, to reduce the amount of air swallowed, which can contribute to spit-up.
  • Spit-up accompanied by other issues, such as poor weight gain, could indicate a food allergy or sensitivity, gastroesophageal reflux disease (GERD), or another health condition.
  • If you have any concerns or questions about your baby's spit-up, don't hesitate to call your pediatrician for advice and assurance.

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Adjust your newborn's sleeping position

Adjusting your newborn's sleeping position can help reduce the likelihood of spit-up during sleep. Here are some tips to consider:

Place Your Baby on Their Back

It is recommended to place your baby on their back to sleep, as this is the safest position to reduce the risk of Sudden Infant Death Syndrome (SIDS). This position also ensures that your baby can clear spit-up easily. However, some babies may experience discomfort and increased spit-up when lying flat on their backs. In such cases, you may consider other sleeping positions under the guidance of your healthcare provider.

Elevate the Head of the Crib

To help keep your baby's head higher than their stomach, you can slightly elevate the head of the crib. Use a firm wedge or pillow under the mattress, never directly under the baby. Alternatively, you can add some blankets under the mattress to create a slight incline. This elevated position can assist in reducing spit-up by preventing the easy flow of stomach contents back up.

Side Sleeping

For babies who experience discomfort or reflux when lying flat on their backs, side sleeping can be an option. Some parents have found success in reducing spit-up and reflux by allowing their babies to sleep on their left sides. However, it is important to note that side sleeping may not be suitable for all babies, and it is recommended to consult your healthcare provider for personalized advice.

Keep Baby Upright After Feeding

Keeping your baby upright for a period after feeding can help reduce the occurrence of spit-up during sleep. Try to keep your baby upright for at least 20 minutes after feeding. This allows gravity to aid in digestion and can prevent stomach contents from flowing back up easily.

Transition to Belly Sleeping

Once your baby is old enough to roll on their own, they may naturally transition to sleeping on their bellies. Many parents have observed that reflux and spit-up decrease or disappear once their babies start sleeping on their bellies. However, it is important to follow safe sleep practices and always place your baby on their back to sleep initially, allowing them to roll on their own if they prefer.

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Burping techniques

While it can be alarming to see your newborn spit up during sleep, it is a common occurrence in infants and is usually not a major concern. Spit-up happens when babies have difficulty digesting milk or formula, and the contents of their stomach flow back into the oesophagus and sometimes out of the mouth. This is due to the lower oesophageal sphincter, which is still developing in infants, making it easier for the stomach contents to come back up.

To reduce the likelihood of spit-up, proper burping techniques are essential. Here are some burping techniques to try:

  • Upright Position: Hold your baby upright against your chest, with their chin resting on your shoulder. Support your baby with one hand and gently pat their back with the other.
  • Gentle Patting: Repeated gentle patting on your baby's back should help release the swallowed air. Cup your hand while patting, as it is gentler than using a flat palm.
  • Towel or Bib: To prevent a mess, place a towel or bib under your baby's chin or on your shoulder. This will catch any spit-up or "wet burp."
  • Different Positions: Experiment with different burping positions until you find the most comfortable one for you and your baby.
  • Burping Frequency: Try burping your baby every 2 to 3 ounces (60 to 90 millilitres) during bottle-feeding or each time you switch breasts during breastfeeding. If your baby doesn't burp after a few minutes, change their position and try burping again.
  • After Feeding: Always burp your baby at the end of feeding time. Keep your baby upright for 10 to 15 minutes after feeding, or longer if they spit up or have GERD (gastroesophageal reflux disease).
  • Colic and Gas: If your baby has colic or is crying for extended periods, they may have excess gas from swallowing air during crying spells. Consult your paediatrician before giving your baby any anti-gas drops.
NHS Guide: Safe Sleepwear for Newborns

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When to seek medical advice

While spitting up during sleep is a common occurrence in infants and usually not a cause for major concern, there are certain instances when you should seek medical advice. Here are some guidelines on when to consult a healthcare professional:

  • Frequent and forceful vomiting: If your baby is spitting up forcefully and it occurs frequently, it may be a cause for concern. Forceful vomiting can indicate a more serious issue, such as gastroesophageal reflux disease (GERD) or another underlying condition.
  • Accompanying symptoms: Pay attention to any other symptoms that accompany spitting up. If your baby is displaying signs such as poor weight gain, difficulty breathing, distress, or choking, seek medical advice immediately. These could be indicators of a more serious condition and require prompt attention.
  • Food allergies or sensitivities: If you suspect that your baby's spit-up is related to certain foods or formulas, it's important to consult your pediatrician. They can advise you on any necessary dietary changes and help identify potential food allergies or sensitivities. For example, cow's milk is a common sensitivity, and a pediatrician can guide you on whether to cut dairy from your diet or recommend alternative formulas.
  • Persistent concerns: If you have persistent concerns about your baby's spit-up, don't hesitate to reach out to your pediatrician. They are the best resource to address your specific questions and provide advice tailored to your baby's needs. They can also help identify any underlying issues that may be contributing to the spit-up.

Remember, while spitting up during sleep is typically a normal part of infant development, it's always better to be cautious and seek professional advice if you have any doubts or concerns about your baby's health. Each baby is unique, and a healthcare professional can provide personalized guidance and reassurance.

Frequently asked questions

Yes, it’s normal for newborns to spit up or even throw up while sleeping, as their digestive systems are still developing. Spit-up is a common occurrence in infants and typically happens when babies have difficulty digesting milk or formula.

If your baby spits up while sleeping, it’s essential to monitor them closely. Check if they are breathing comfortably and if the spit-up has caused any distress.

Placing your baby on their back to sleep is recommended to reduce the risk of Sudden Infant Death Syndrome (SIDS). However, you can elevate the head of the crib slightly with a firm wedge or pillow under the mattress (never directly under the baby) to help keep their head higher than their stomach.

Proper burping after feeding can help reduce the amount of air swallowed, which can contribute to spit-up. Hold your baby upright after feedings and limit their activity after feedings. Provide more frequent, smaller feedings.

Spit-up is generally not a cause for concern, but if you think your baby is in pain or you’re worried about what you’re feeding them, don’t hesitate to call your pediatrician for advice. Spit-up accompanied by other symptoms like poor weight gain could indicate gastroesophageal reflux disease (GERD) or another health condition.

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