Silent Reflux In Babies: Symptoms, Home Remedies & Treatment


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Silent acid reflux, also known as laryngopharyngeal reflux, is a condition in which the stomach acid flows backward into the larynx and nasal passages. Some consider it an extension of gastroesophageal reflux disease (GERD), where the stomach acid irritates the esophagus.

Silent reflux is called so because it does not have conspicuous signs and symptoms. The regurgitated stomach fluids eventually fall back into the stomach. It is common for babies to have silent acid reflux, and it may get corrected as the baby grows old.

In this post, we give you the causes, signs, and treatment options available for silent reflux in babies.

Causes Of Silent Reflux In Babies

Studies estimate that one in five children experiences a reflux disease. It is normal for babies under one year of age to have acid reflux, but if it persists beyond one year or is severe, then consult a pediatrician.

Here are some factors that lead to silent reflux in babies (1) (2).

  • Newborns have underdeveloped esophageal sphincters, muscles at the end of the esophagus, that help in the passage of food from the food pipe into the stomach. Underdeveloped esophagealsphincters let the contents of the stomach flow backward into the esophagus, causing reflux.
  • Neurological problems may cause feeding issues and silent reflux in some babies.
  • Defects in the larynx, such as laryngomalacia, increase the possibility of silent reflux in babies.
  • Experts recommended babies to be slept on their backs to prevent interruption of the airways and sudden infant death syndrome (SIDS). However, sleeping on the back right after feeding might cause the stomach contents to regurgitate.
  • Infants might have silent reflux as long as they have an exclusive liquid diet, as liquids are more likely to move backward than solids.

The signs of silent reflux are often not outright noticeable. However, careful observation could help parents determine if the baby has the condition.

Signs and Symptoms Of Silent Reflux In Babies

Babies with silent reflux may appear cheerful and only display discomfort before or after feeding. Silent reflux does not show intensesigns like GERD, but it still causes discomfort. Here are some of the subtle signs that you maynotice.

  • Breathing with a wheezing or vibrating noise
  • Pause in breathing while sleeping (apnea)
  • Feeding difficulties (babies might arch their backs and retract from the nipple)
  • Persistent cough
  • Gagging and spitting up
  • Recurring ear infections (your baby might be pulling or holding the ears)
  • Crying and fussiness after feeding

If the silent reflux is severe or progressed into GERD, then the baby could feed inadequately, which may lead to poor growth in the long run. The signs of silent reflux may also indicate GERD. Therefore, see a doctor to determine the exact cause.

How Is Silent Acid Reflux In Babies Diagnosed?

Your pediatrician may perform a physical examination and ask you about the symptoms. So write down all the signs you observed or take a video when the baby presents the symptoms. The doctor may also check the height and weight of the baby to determine if they are feeding adequately.

Elaborate diagnostic procedures, such as barium tests or endoscopy, are usually performed when there is no improvement in the baby’s condition after observing treatment procedures.

Treatment For Silent Reflux

In most babies, silent reflux gradually resolves as the baby grows, and the esophageal sphincter matures. Until then, your doctor might recommend managing the reflux with a few measures similar to those taken in the case of gastroesophageal reflux disease.

According to the American Academy of Pediatrics, lifestyle changes are the first line of treatment for reflux in infants (3). You may take the following measures (4) (5).

  • After each feed, burp the baby and keep them in an upright position for 30 minutes.
  • If the baby is on a formula diet, then switch formulas after consulting a pediatrician. If the baby has lactose intolerance, then the doctor may recommend specialized formulas, such as hydrolyzed formula.
  • Maternal diet may be modified in cases of silent reflux in breastfed infants. Avoid spicy foods, caffeine, acidic foods, and dairy products, and observe if there are changes in the baby’s condition.
  • Follow the baby’s hunger cues and feed as per demand. If possible, feed smaller portions more frequently with feeding spaced two to three hours apart, but only if the baby is comfortable with it.
  • If the baby is bottle-fed, check if the nipple size is appropriate for the baby’s age. Incorrect nipple size can cause overfeeding or swallowing of excess air, which may exacerbate reflux.
  • Try alternative bottle feeding techniques, such as paced bottle feeding, which prevent overfeeding, and, thus, may relieve silent reflux.
  • If your baby is older than six months, then try feeding thick purees or cereals to minimize regurgitation and reflux.

Medications, such as H2 blockers and proton pump inhibitors (PPI), are usually not needed unless silent reflux has progressed to gastroesophageal reflux disease (GERD). Innate defects of the larynx that cause silent reflux may require surgical treatment. Surgical interventions for reflux, such as fundoplication, are usually reserved for GERD.

Simple Home Remedies For Silent Acid Reflux In Babies

Parents can consider some simple home remedies for silent reflux. However, most of these natural remedies lack scientific backing, so consult your pediatrician before trying them. 

1. Massage

Anecdotal evidence suggests that basic massaging techniques, such as bicycling the legs or massaging the baby’s tummy gently in a clockwise direction, might help relieve gas and bloating in babies, thus reducing discomfort and fussiness.

2. Elevate the sleeping position

Elevating the baby’s sleeping position might help babies with acid reflux. Some parents use a baby lounger to achieve this position and while traveling. There is no scientific proof for the effectiveness of this method. So, try it only if you and your baby are comfortable.

3. Cumin seed water

Studies suggest that cumin seeds aid in digestion and help relieve bloating and colic, so it might help reduce the symptoms of silent acid reflux in babies. Boil one teaspoon of cumin seeds in water, strain it, and give two spoonfuls to your baby every day (6).

4. Infant prebiotics

If your pediatrician recommends, you may consider using infant prebiotics to promote good gut health for your baby. These are available as a powder, which can be mixed with breastmilk and given to the baby.

Consult a pediatrician before trying any edible home remedy. If a home remedy does not work, try later but do not force it on the baby.

What Are The Complications Of Silent Reflux In Babies?

Long-term silent reflux may increase the risk of the following complications.

  • Recurrent pneumonia
  • Chronic laryngitis
  • Persistent cough
  • Oral cavity problems (1)

Chronic silent reflux could progress to gastroesophageal reflux (GER), which eventually leads to gastroesophageal reflux disease (GERD).

Frequently Asked Questions

1. Are hiccups a sign of silent reflux in babies?

Hiccups are a common phenomenon when your baby takes in more air while feeding, and it alone may not indicate silent acid reflux. If your baby has hiccups along with cough and spit up, then it could be a sign of silent acid reflux.

2. Does Gripe Water help address silent acid reflux? 

Anecdotal evidence suggests that Gripe Water might reduce stomach acid, thus relieving symptoms of silent acid reflux. But, there is no scientific backing for this claim. Consult your doctor before giving Gripe Water to your baby.

3. How can I help my baby with acid reflux sleep peacefully? 

Acid reflux might disturb your baby’s sleep as they frequently wake up in the middle of the night. To help your baby sleep better, observe the various lifestyle changes steps that can relieve silent acid reflux and help the baby sleep better. 

Silent reflux may not have apparent signs but can irritate the baby. Stay observant of any signs of discomfort, especially after feeding. Reflux could progress to GERD, so see a doctor if the baby seems to have frequent episodes of silent acid reflux. As the baby grows, the condition usually gets resolved on its own with no lasting effects.


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