Understanding Why Your Acid Reflux Keeps Returning

Dr Shanker Pasupathy

Senior Consultant Surgeon

MBBS (Singapore), FRCS (Glasgow), FRCS (Edinburgh), FAMS (General Surgery)

For many, the experience is all too familiar: a sharp, burning sensation rises in the chest, often after a heavy meal or before bed. You reach for an antacid, and within minutes, the fire subsides. However, the relief is fleeting. A few hours later or the very next day, the discomfort returns with the same intensity, creating a frustrating cycle of temporary fixes.

While lifestyle adjustments and over-the-counter medications are common starting points, they often function only as band-aids. These remedies address the acidity of the stomach contents but fail to tackle the underlying reason of why those contents are escaping in the first place. If you find yourself constantly managing symptoms without achieving lasting results, it is time to move beyond symptom suppression and identify the actual mechanical root cause of your discomfort.

The Role of the Lower Oesophageal Sphincter

The lower oesophageal sphincter (LES) is a ring of muscle located between the oesophagus and stomach. Its function is to maintain a barrier that prevents stomach contents from moving upwards into the oesophagus.

Gastro-oesophageal reflux disease (GERD) may occur when this barrier becomes weakened or functions ineffectively. In some patients, reflux may also be associated with anatomical conditions such as a hiatal hernia, where part of the stomach moves above the diaphragm and affects the normal function of the LES.

In these situations, acid-suppressing medication can help reduce symptoms and inflammation, but may not correct the underlying anatomical problem contributing to reflux.

Why Symptoms May Persist Despite Treatment

Conservative treatment remains the first-line approach for many patients with reflux disease. This commonly includes dietary modification, weight management, avoidance of trigger foods and acid-suppressing medication such as antacids, H2-receptor antagonists or proton pump inhibitors (PPIs).

However, symptoms may persist for several reasons:

• Ongoing Reflux Episodes

  Acid-suppressing medications reduce stomach acidity but do not prevent reflux events themselves. Non-acidic reflux can still irritate the oesophagus and upper airway in some patients.

• Structural Causes of Reflux

  Lifestyle modification cannot reverse anatomical contributors such as a significantly weakened LES or hiatal hernia. Patients with structural abnormalities may continue to experience symptoms despite appropriate medical therapy.

• Laryngopharyngeal Reflux

  Some patients develop laryngopharyngeal reflux (LPR), where reflux reaches the throat or voice box. This may present with chronic cough, throat clearing, hoarseness or a sensation of a lump in the throat, sometimes without typical heartburn symptoms.

Potential Complications of Chronic Reflux

Persistent reflux can lead to complications if left untreated.

• Oesophagitis

  Repeated exposure to stomach acid may cause inflammation of the oesophageal lining, known as oesophagitis. In more severe cases, chronic inflammation can result in scarring or narrowing of the oesophagus.

• Barrett's Oesophagus

  Long-standing reflux may lead to changes in the cells lining the lower oesophagus, a condition known as Barrett's oesophagus. This condition is associated with an increased risk of oesophageal cancer and may require ongoing surveillance.

• Long-Term Medication Use

  Proton pump inhibitors are effective and widely used medications for reflux management. However, patients requiring prolonged treatment should undergo regular medical review to ensure therapy remains appropriate and to evaluate whether further investigation or alternative treatment options are necessary.

When to Seek Specialist Assessment

Medical review is recommended for patients with persistent or worsening acid reflux symptoms, particularly when symptoms continue despite lifestyle modification or regular medication use.

Assessment by a specialist may be appropriate in the following situations:

• Symptoms occurring frequently or requiring regular medication
• Reflux symptoms that disrupt sleep
• Difficulty or pain during swallowing
• Persistent cough, hoarseness or throat symptoms
• Chest discomfort related to reflux
• Recurrent regurgitation or sour taste in the mouth

Further evaluation may include investigations such as gastroscopy, oesophageal pH testing or manometry to assess the severity and underlying cause of reflux disease.

For selected patients, surgical treatment may be considered. Procedures such as fundoplication or LINX magnetic sphincter augmentation aim to restore the function of the lower oesophageal sphincter and reduce reflux.

Reclaim Your Quality of Life with Digestive Centre

Chronic acid reflux is more than a simple digestive inconvenience; it is a physical condition that often requires a structural solution. While lifestyle adjustments and temporary medications play a role in managing early symptoms, they cannot repair a malfunctioning valve or correct a hiatal hernia.

At Digestive Centre, we specialise in identifying the precise cause of your discomfort to move you toward a permanent resolution. Dr Shanker and his team provide comprehensive care that combines advanced diagnostic testing with modern surgical interventions tailored to your specific anatomy. By focusing on restoring the natural function of your digestive system, our goal is to help you live a life free from the constant burden of reflux and the limitations of daily medication.

If you are ready to stop managing the symptoms and start treating the cause, take the first step toward a permanent cure. Book an appointment with us today or get in touch with our team to learn more about our specialist services.

Frequently Asked Questions (FAQs) About Acid Reflux

What is the difference between occasional heartburn and GERD?

Occasional reflux can occur intermittently, often after large meals or specific dietary triggers. GERD is a chronic condition characterised by frequent reflux symptoms or complications resulting from ongoing reflux.

Can acid reflux be permanently cured without surgery?

Many patients achieve good symptom control through dietary modification, weight management and medication. Surgery is generally considered for selected patients with persistent symptoms, anatomical abnormalities or inadequate response to medical treatment.

Is it safe to take antacids every day for years?

Proton pump inhibitors are commonly prescribed and are generally considered safe when used appropriately under medical supervision. Patients requiring long-term treatment should undergo periodic review to assess ongoing treatment needs and monitor for potential side effects.

Your Dedicated Specialist

Dr Shanker Pasupathy is the Medical Director of the Digestive Centre at Mount Elizabeth Hospital and a recognised key opinion leader in gastro-oesophageal reflux, hernia and metabolic disease management. He has extensive international training in gastrointestinal endoscopy, laparoscopy and robotic surgery, with experience gained in the UK, France and Germany.

Prior to private practice, he was Director of the LIFE Centre and Senior Consultant at Singapore General Hospital, where he led the metabolic-bariatric surgery service. Dr Shanker is actively involved in training healthcare professionals across the region and was awarded the Dean’s Award for teaching excellence from NUS Medicine. He also holds leadership positions in regional surgical societies and is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS).