16/07/2025
Silent Reflux in Babies: How to Detect It
Gastroesophageal reflux (GER) is well known to new parents: spit-up, crying after feeding, arching of the back... But sometimes, reflux happens without any visible regurgitation. This is called silent reflux. Harder to detect, it can still be very uncomfortable for the baby and worrisome for parents. So, how can you recognize this invisible issue?
What is Silent Reflux?
Unlike “classic” reflux, silent reflux doesn’t cause visible spit-up. Acid travels up into the esophagus (and sometimes the throat) but doesn’t come out through the mouth. This makes diagnosis trickier… yet symptoms are often very real.
Here’s a (non-exhaustive) list of common signs of silent reflux in babies:
Discomfort after feeding
• Baby cries or becomes fussy right after or 30–60 minutes after feeding.
• Arches their back, squirms, seems inconsolable.
Unexplained cough or throat noises
• A dry cough, especially at night or after meals.
• Gurgling in the throat, as if constantly swallowing saliva or fluid.
Poor sleep or frequent night wakings
• Waking every hour, restless sleep.
• Baby sleeps better when upright (in arms, baby carrier, etc.).
Feeding refusal or difficulty eating
• Often stops during feeding, appears uncomfortable.
• Cries when offered breast or bottle.
Sour or bad breath
• Unusual mouth odor may be a sign of frequent acid reflux.
When to Seek Medical Advice
Each of these signs alone may not be enough for a diagnosis, but if you notice several of them regularly, talk to your pediatrician. They can:
• Assess the situation with a clinical exam.
• Sometimes suggest a trial treatment or further tests (pH monitoring, endoscopy in rare cases).
Don’t wait until it worsens: Silent reflux can lead to esophageal inflammation (esophagitis), sleep disturbances, or slow weight gain.