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Updated: Jun 17, 2026

Surgical Models of Gastroesophageal Reflux with Mice
Published on: August 25, 2015
Insights
Gastro-oesophageal reflux (GOR) is common in infants and usually harmless. Gastro-oesophageal reflux disease (GORD) requires treatment, but is often overdiagnosed, leading to unnecessary medication use in infants.
Area of Science:
- Pediatrics
- Gastroenterology
Background:
- Gastro-oesophageal reflux (GOR) involves stomach contents passing into the oesophagus.
- GOR is common and typically self-limiting in infants, presenting as regurgitation or vomiting.
- Gastro-oesophageal reflux disease (GORD) is defined by troublesome symptoms or complications from reflux.
Purpose of the Study:
- To review GORD in infants aged 0-12 months.
- To discuss available treatments for infant GORD.
- To clarify when GORD treatment is necessary.
Main Methods:
- Literature review of GORD in infancy.
- Analysis of diagnostic criteria for GORD.
- Evaluation of current treatment guidelines and drug licensing for infant GORD.
Main Results:
- GORD is frequently misdiagnosed in healthy infants with physiological GOR.
- This misdiagnosis leads to increased and potentially inappropriate use of acid-reducing medications.
- Few medications for infant GORD are licensed for this specific indication.
Conclusions:
- Distinguishing physiological GOR from GORD is crucial in infants.
- Overdiagnosis and subsequent medication use for GORD in infants should be minimized.
- Appropriate treatment decisions for infant GORD require careful consideration of symptoms and complications.
Abstract:
Transient, inappropriate relaxation of the lower oesophageal sphincter may permit contents of the stomach to pass into the oesophagus (so-called gastro-oesophageal reflux [GOR]). This usually presents as regurgitation or vomiting and is common in infants, when it is usually mild and self-limiting, and requires no specific treatment. Gastro-oesophageal reflux disease (GORD) in infants describes reflux of gastric contents that causes troublesome symptoms or complications. GORD is sometimes wrongly diagnosed in healthy infants with troublesome but harmless symptoms of 'physiological' GOR. This has led to increasing, potentially inappropriate, use of acid reducing drugs. Furthermore, few of the drugs used to treat infants with GORD are licensed for this indication, a situation that DTB criticised 12 years ago. Here we consider GORD in infancy (i.e. in those aged 0-12 months), the treatments available and when these are needed.
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