Silent Reflux: Understanding the Lesser-Known Form of GERD

Dr Shanker Pasupathy

Senior Consultant Surgeon

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

Constant throat clearing, a persistent cough or waking up with a hoarse voice can easily be dismissed as allergies, a cold or simply part of everyday life. Many people also associate acid reflux with a burning sensation in the chest, making it easy to overlook when heartburn is absent. However, acid reflux does not always present in the way people expect. Some individuals experience a lesser-known condition called silent reflux, in which stomach contents travel upwards and affect the throat or voice box without causing symptoms commonly associated with acid reflux. Recognising these less obvious changes may help you better understand what your body is telling you and identify when further evaluation could be worthwhile.

What Is Silent Reflux?

Silent reflux, also known as laryngopharyngeal reflux (LPR), occurs when stomach contents flow upwards and reach areas beyond the oesophagus, such as the throat or voice box. Because these structures are more delicate and less protected than the stomach lining, even small amounts of digestive substances may cause irritation.

Unlike typical acid reflux, silent reflux often develops without the chest discomfort or burning sensation that many people expect. Instead, its effects may be felt higher up in the body and can present in ways that seem unrelated to reflux at first. Silent reflux is generally considered a form of reflux disorder that shares similarities with gastro-oesophageal reflux disease (GERD), although the pattern of symptoms and presentation can differ between individuals.

Symptoms That May Suggest Silent Reflux

Symptoms of silent reflux may appear in ways that do not immediately seem related to reflux. These can include:

• Persistent Throat Clearing

  Frequently feeling the need to clear your throat may occur because reflux causes irritation around the voice box. Some individuals describe a sensation that something is constantly sitting in the throat.

• Ongoing Cough

  A cough that continues without an obvious infection or illness can occasionally be linked to reflux. This may become more noticeable at night or after meals.

• Hoarseness or Voice Changes

  Repeated irritation affecting the vocal cords may alter the quality of your voice. Some people notice roughness, weakness or a voice that tires more easily throughout the day.

• A Feeling of a Lump in the Throat

  Some individuals experience a sensation known as globus, where it feels as though something is stuck in the throat despite nothing physically blocking it.

• Sore Throat or Excess Mucus

  Persistent irritation can sometimes create discomfort around the throat or increase mucus production, leading to frequent swallowing or a sensation of drainage.

Can Silent Reflux Cause Complications?

Although symptoms may appear mild initially, repeated irritation affecting the throat and surrounding tissues can sometimes lead to ongoing problems.

Potential effects may include:

• Chronic inflammation around the voice box
• Vocal cord irritation
• Persistent throat discomfort
• Sleep disruption due to coughing
• Difficulty speaking for prolonged periods
• Changes affecting quality of life

Like other forms of GERD, untreated reflux may also contribute to irritation affecting the oesophagus over time.

When Should You Consider Medical Assessment?

Occasional throat discomfort does not necessarily indicate reflux. However, symptoms that continue despite self-care measures or repeatedly return may deserve closer evaluation.

You may wish to seek medical advice if you experience:

• A cough lasting several weeks
• Frequent throat clearing
• Ongoing voice changes
• Difficulty swallowing
• Symptoms disrupting sleep
• Recurrent symptoms without a clear explanation

Many people search for causes related to allergies or respiratory conditions before considering reflux as a possibility. Identifying the underlying cause can help avoid prolonged symptoms and unnecessary frustration.

Persistent Reflux Symptoms Should Not Be Your Normal

Living with recurring reflux symptoms can sometimes lead people to accept them as part of everyday life, particularly when they seem mild or come and go over time. However, changes within the oesophagus can develop gradually, and recognising patterns such as increasing frequency, swallowing difficulties or ongoing throat discomfort may help support earlier assessment and management.

At the Digestive Centre, a specialist clinic for acid reflux, bariatric and digestive health in Singapore, treatment planning is led by Dr Shanker Pasupathy, former chief of the metabolic-bariatric surgery service at Singapore General Hospital. Care focuses on identifying the underlying causes of digestive concerns and providing recommendations tailored to each patient's needs and long-term wellbeing.

If recurring reflux symptoms or unexplained throat discomfort have been affecting your daily life, schedule a consultation today to gain clearer answers and a better understanding of your treatment options.

Our Upper Gastrointestinal & Bariatric Surgeon in Singapore

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).