
Gagging in newborns is a common occurrence that can be caused by various factors. One reason could be the presence of fluid in their lungs after birth, which they may cough up and subsequently gag on. Another cause could be infant reflux, where the esophageal sphincter is not fully developed, causing stomach contents to come up and trigger the gag reflex. Additionally, newborns may gag due to excessive saliva production, which can be related to teething, or thick mucus caused by colds or allergies. While gagging can be distressing for parents, it is important to distinguish it from choking, which requires immediate medical attention. Gagging is a protective mechanism that helps prevent choking, and newborns typically have a strong gag reflex that diminishes around the time they start solids.
| Characteristics | Values |
|---|---|
| Gagging on saliva while sleeping | Normal |
| Reasons | Excessive saliva production, swollen tonsils, infant reflux, teething, allergies, asthma, colds, sleep apnea, finger sucking, breastfeeding or bottle-feeding, introduction of solid foods, GERD, or gastroesophageal reflux |
| Choking | A medical emergency where the airway is partially or completely blocked, and the baby is unable to breathe, talk, or cry |
| Gagging | A protective mechanism to prevent choking, where the baby's airway is not blocked, and they are actively working on spitting out or swallowing |
| Treatment for excessive saliva | Vaporizer, saline drops, or medications |
| Treatment for infant reflux | Keep the baby upright for 30 minutes after feeding, change formula, or consult a doctor for medication |
| Treatment for choking | Baby CPR and call emergency services |
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What You'll Learn
- The gag reflex is a normal response to prevent choking
- Excessive saliva production can be caused by colds, allergies, teething, or gastroesophageal reflux (GERD)
- GERD occurs when stomach contents travel back up to the throat
- To reduce reflux, keep your baby upright for 30 minutes after feeding
- Babies may gag on their fingers when learning how far they can put things in their mouth

The gag reflex is a normal response to prevent choking
It can be distressing for parents to see their newborn gagging on saliva while sleeping. However, rest assured that gagging is a normal and protective response in newborns that helps prevent choking.
The gag reflex is an automatic response triggered when an object touches a sensitive area at the back of the throat, stimulating an automatic muscle contraction that pushes the object out of the mouth. This prevents choking by keeping the airway open. Newborns have a strong gag reflex that lasts until they are about six months old, which is also when they typically start eating solid foods.
Gagging is a common occurrence in newborns and can be caused by various factors. One reason could be the presence of fluid in their lungs after birth, which they may cough up and subsequently gag on. Newborns also have a strong sucking reflex, and they may gag while breastfeeding or bottle-feeding if the flow of milk is too quick for them. Introducing solid foods can also lead to gagging as the baby's mouth is stimulated in a new and unusual way.
Additionally, gastroesophageal reflux (GER) or infant reflux, where stomach contents come back up, can cause gagging in newborns. This is common in babies under two years old, and keeping them upright for about 30 minutes after feeding can help reduce reflux symptoms. Other causes of gagging could be excessive saliva production due to teething, colds, allergies, or asthma.
While gagging is a normal response, choking is a medical emergency. Choking occurs when the airway is partially or completely blocked, and the baby is unable to breathe, cry, or cough. If you suspect your baby is choking, it is crucial to remain calm but act quickly. Sit them up to help dislodge the blockage and, if necessary, perform baby CPR and call for emergency medical assistance.
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Excessive saliva production can be caused by colds, allergies, teething, or gastroesophageal reflux (GERD)
It is normal for newborns to gag on their saliva from time to time. This is due to their gag reflex, which is triggered when spit-up, vomit, or any other object touches a sensitive area at the back of their throat. Gagging should not be confused with choking, which is a medical emergency. Gagging is a protective reflex that prevents choking.
Excessive saliva production, also known as hypersalivation, can be caused by several factors, including colds, allergies, teething, or gastroesophageal reflux (GERD). Firstly, during a cold, newborns may experience thicker mucus or spit, which can lead to gagging, especially while sleeping. This is usually a temporary condition that resolves as the cold subsides.
Secondly, allergies can also lead to excessive salivation. Certain allergies, such as pollen allergy (hay fever), dust mite allergy, mold allergy, animal dander allergy, and food allergies, can cause nasal inflammation or irritation, resulting in increased mucus production and saliva. Allergies can be treated with immunotherapy, and excessive salivation can be managed by staying well-hydrated, practising good oral hygiene, maintaining an upright posture during and after meals, and identifying any food triggers.
Thirdly, teething can cause excessive drooling in infants. This is a normal and temporary phase as the baby's body produces more saliva to soothe the gums during tooth eruption. Finally, gastroesophageal reflux (GERD) can also lead to excessive saliva production. GERD is a chronic form of acid reflux, where stomach acid flows upward into the oesophagus due to a weak or relaxed lower oesophageal sphincter (LES). The acid in the oesophagus triggers the salivary glands to produce more saliva, known as water brash, to neutralise or dilute the acid. While water brash is not dangerous, GERD can cause long-term damage to the oesophagus if left untreated. Treatment for GERD typically involves lifestyle changes and medications.
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GERD occurs when stomach contents travel back up to the throat
It is not uncommon for newborns to gag on their saliva while sleeping. This can be due to various reasons, one of which is gastroesophageal reflux disease (GERD). GERD is a long-term condition that occurs when stomach contents travel back up to the throat, causing discomfort to the baby. This is different from the more common gastroesophageal reflux (GER), which all babies experience at some point, where they spit up or vomit due to the immaturity of the lower oesophageal sphincter.
GERD can cause frequent gagging in newborns, even when they are not feeding. This can be a concern, as it may impede the normal development of your baby's oral stimulation and lead to the avoidance of certain foods, resulting in bad eating habits. It is important to distinguish between gagging and choking, as choking is a medical emergency that requires immediate action, such as baby CPR and calling for emergency services. Gagging, on the other hand, is a protective mechanism that helps prevent choking by pushing objects or fluids out of the mouth.
GERD occurs when the stomach contents, including acid, travel back up the oesophagus towards the throat. This is often due to the immaturity or weakness of the lower oesophageal sphincter (LOS), a muscle that acts as a valve between the oesophagus and the stomach. Normally, this muscle relaxes to allow food and liquid to pass into the stomach and then tightens to prevent them from coming back up. In babies with GERD, this muscle may not function properly, allowing stomach contents to flow back up and causing symptoms such as frequent gagging.
The symptoms of GERD in newborns can vary. While some babies may experience frequent gagging, others may show signs of discomfort, such as crying or fussing during or after feedings. They may also arch their backs or seem uncomfortable lying flat. In some cases, babies with GERD may fail to gain weight or even lose weight due to frequent spitting up or vomiting. It is important to consult a healthcare professional if you suspect your baby is showing signs of GERD, as they can provide guidance and recommend appropriate treatments.
There are several treatments available for GERD in newborns. These may include dietary changes, such as feeding your baby smaller meals more frequently or thickening their formula or breast milk with a small amount of rice cereal (only if advised by a doctor). Keeping your baby upright during and after feedings for at least 30 minutes can also help reduce reflux symptoms. In some cases, medication may be prescribed to reduce acid production in the stomach or to help strengthen the LOS muscle. It is important to consult your baby's doctor before starting any treatment to ensure the most appropriate approach for your baby's specific needs.
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To reduce reflux, keep your baby upright for 30 minutes after feeding
It is common for newborns to gag on their saliva while sleeping. This is usually due to a reflex that helps prevent choking. Newborns have a strong gag reflex until they are about four to six months old. This reflex is triggered when an object touches a sensitive area at the back of the throat, causing an automatic muscle contraction that pushes the object out of the mouth. This reflex is protective and can prevent choking.
Gagging in newborns can also be caused by other factors, such as fluid in the lungs after birth, teething, or respiratory issues like sleep apnea, colds, allergies, or asthma. In some cases, gagging may be related to gastroesophageal reflux (GER), a common condition in babies under two years old. GER occurs when stomach contents flow back up into the oesophagus, leading to spitting up or vomiting.
To reduce reflux, it is recommended to keep your baby upright for at least 20 to 30 minutes after feeding. This allows for digestion to begin and gives the stomach time to settle, reducing the likelihood of your baby bringing up milk. You can hold your baby against your chest, ensuring their head is higher than their stomach. This position helps keep stomach contents from flowing back up into the oesophagus and may reduce discomfort.
Additionally, you can try feeding your baby in an upright position, whether you are breastfeeding or bottle-feeding. This can help to keep milk in the stomach and reduce reflux. It is also important to burp your baby frequently during and after feeding to release any trapped air. Feeding smaller amounts more frequently can also be gentler on the stomach and reduce reflux.
If your baby's reflux is causing severe discomfort, weight loss, or breathing difficulties, consult your paediatrician. They can provide guidance and help identify any underlying factors contributing to the reflux.
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Babies may gag on their fingers when learning how far they can put things in their mouth
Gagging while sleeping is a common occurrence in newborns, and there are several reasons why this might happen. One common reason is that newborns have a strong gag reflex, which is triggered when any object, such as a finger, food, or saliva, touches a sensitive area at the back of the throat. This reflex is a normal and healthy protective mechanism that helps prevent choking. It causes an automatic muscle contraction, pushing the object out of the mouth and away from the throat.
Babies may also gag on their saliva due to infant reflux, also known as gastroesophageal reflux (GER), which is common in babies under 2 years old. This occurs when the esophageal sphincter is not fully developed and cannot prevent stomach contents from coming back up. Keeping your baby upright for about 30 minutes after feeding can help reduce reflux and subsequent gagging. Additionally, a cold, allergy, or asthma can cause thicker mucus or saliva, making it difficult for your baby to swallow and leading to gagging.
Now, onto the topic of babies gagging on their fingers. This behaviour is often observed in toddlers and can be alarming for parents. However, it is usually nothing to be concerned about and is simply a result of toddlers exploring their bodies and the sensations they can experience. The gag reflex is often discovered accidentally while toddlers are playing with their fingers or eating. In most cases, the behaviour stops on its own, as gagging and vomiting are unpleasant sensations. However, it is important to distinguish between gagging and choking. Choking occurs when the airway is partially or completely blocked, and air cannot pass through, leading to a potential medical emergency. If you notice any signs of choking, such as an inability to cough or cry, immediate action should be taken, including baby CPR and calling for emergency services.
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Frequently asked questions
Gagging on saliva while sleeping could be due to infant reflux, swollen tonsils, or excess saliva production. Reflux is common in babies under 2 years old and can be mitigated by keeping your baby upright for 30 minutes after feeding.
Gagging is a normal protective reflex that helps prevent choking. It is important to let your baby's body get rid of the object on its own. Do not place your fingers or any other objects in their mouth as you may accidentally push the object further into their throat.
Gagging and choking are not the same. A choking baby will be unable to cry, cough, or make any sound as their airway is blocked. They may gasp, wheeze, or grab at their throat. Gagging, on the other hand, will be noisy as your baby tries to bring the food forward and their eyes may water.











































