Reflux and Heartburn: When It’s More Than Indigestion

What persistent reflux can mean, how to treat it effectively, and when symptoms warrant a closer look

Heartburn is common.

Many people occasionally notice a burning feeling behind the breastbone after a large meal, rich food, alcohol or lying down too soon after eating.

Often it settles and causes no lasting problem.

But when heartburn keeps returning, affects sleep, causes food to come back up, or is associated with swallowing problems, weight loss or bleeding, it deserves more attention.

The useful questions are:

Is this simple occasional reflux? Is it gastro-oesophageal reflux disease? And is there anything here that needs investigation rather than another packet of antacids?

What is reflux?

The oesophagus is the tube carrying food from your mouth to your stomach.

Reflux happens when stomach contents travel back up into the oesophagus.

Because the stomach contains acid and digestive contents, this can irritate the oesophagus and cause symptoms.

The two classic symptoms are:

• heartburn — a burning sensation behind the breastbone
• regurgitation — acid, bitter fluid or food coming back towards the throat or mouth

Is reflux the same as GORD?

Not quite.

Occasional reflux is very common.

Gastro-oesophageal reflux disease — GORD — usually means reflux that is frequent, troublesome, causes complications or significantly affects quality of life.

Someone who gets mild heartburn twice a year after a heavy meal is not in the same situation as someone waking several nights a week with burning pain and acid in their throat.

The diagnosis is about the pattern, frequency, impact and any warning features.

What does reflux feel like?

Typical symptoms include:

• burning behind the breastbone
• acid or food coming back into the mouth
• a sour or bitter taste
• symptoms after meals
• symptoms when lying down or bending over

Some people also report:

• belching
• nausea
• upper abdominal discomfort
• throat irritation
• cough
• hoarse voice

These less typical symptoms can have many other causes, so they should not automatically be blamed on reflux.

Is heartburn really coming from the heart?

Usually not.

The burning comes from the oesophagus, which sits in the chest near the heart.

That overlap creates an important safety issue:

heart pain and reflux can sometimes feel similar.

Do not assume new or severe chest discomfort is “just reflux”, particularly if it is associated with:

• shortness of breath
• sweating
• nausea
• dizziness
• pain spreading to the arm, jaw, shoulder or back
• exertion
• a heavy, tight or crushing feeling

New or concerning chest pain deserves urgent medical assessment.

Why do some people get reflux?

Several factors can make reflux more likely, including:

• excess weight, particularly around the abdomen
• pregnancy
• a hiatus hernia
• large meals
• eating close to bedtime
• alcohol
• smoking
• some foods and drinks
• certain medicines

A hiatus hernia occurs when part of the stomach moves upwards through the diaphragm.

Many people have one without symptoms, but it can contribute to reflux in some people.

Is reflux caused by too much stomach acid?

Not necessarily.

Reflux is mainly a problem of stomach contents moving into the wrong place.

Even a normal amount of acid can irritate the oesophagus if it repeatedly travels upwards.

Acid-suppressing medicines help because they make the refluxed material less acidic.

They do not necessarily stop every reflux event from happening.

Does food cause reflux?

Food can influence symptoms, but there is no universal reflux diet.

Common triggers may include:

• large or fatty meals
• alcohol
• coffee
• chocolate
• spicy foods
• acidic foods
• carbonated drinks

But triggers vary from person to person.

There is little value in eliminating a long list of foods you tolerate perfectly well.

A better approach is to notice your own reproducible triggers.

If coffee is fine but pizza and wine late at night reliably cause symptoms, that is useful information.

What lifestyle changes actually help?

Depending on your pattern of symptoms, consider:

• avoiding large meals close to bedtime
• staying upright for a few hours after eating
• reducing foods or drinks that clearly trigger symptoms
• reducing excess alcohol
• stopping smoking
• losing excess weight when relevant

If symptoms mainly occur overnight, raising the head of the bed can help some people.

This means physically elevating the upper body rather than simply adding several soft pillows.

What medicines help?

For occasional symptoms, antacids or alginate-containing products can be useful.

For more persistent reflux, proton pump inhibitors, or PPIs, are commonly used.

Examples include:

• pantoprazole
• omeprazole
• esomeprazole
• rabeprazole
• lansoprazole

PPIs reduce acid production and are very effective for many people with typical acid-related GORD.

How should I take a PPI?

This matters more than many people realise.

PPIs generally work best when taken regularly and at the correct time, rather than randomly after symptoms have already started.

For many once-daily preparations, this means taking the medicine before a meal, often before breakfast.

If a PPI seems not to be working, one of the first things I check is:

Are you actually taking it in a way that allows it to work properly?

Before escalating treatment, check the dose, timing, adherence and diagnosis.

Do I have to stay on a PPI forever?

Not necessarily.

Some people genuinely need long-term treatment.

Others may be able to step down to:

• a lower dose
• intermittent treatment
• treatment when symptoms recur
• no regular medication

Long-term PPI therapy should have a continuing reason.

But stopping suddenly after prolonged use can sometimes cause rebound acid symptoms, where acid production temporarily increases.

That can make people think their reflux has dramatically worsened.

If you have been taking a PPI long term, discuss any step-down plan with your GP rather than simply stopping it because you have heard PPIs are “bad”.

Are PPIs dangerous?

For most people with a good reason to take them, PPIs are generally well tolerated.

Like all medicines, they can have side effects and potential risks.

Long-term PPI use has been associated in studies with several conditions, but not every association proves the medicine caused the problem.

The useful question is:

“Do I still have a reason to take this medicine, and am I using the lowest effective treatment that controls the problem?”

The risk of an unnecessary medicine should be weighed against the risk of undertreating significant reflux disease.

When is reflux more than simple heartburn?

Arrange medical review if reflux is:

• frequent or persistent
• waking you regularly at night
• not responding to sensible treatment
• returning immediately whenever treatment stops
• significantly affecting eating or quality of life

More importantly, some symptoms suggest we should investigate further rather than simply keep treating the acid.

What are the warning symptoms?

Seek medical assessment if you develop:

• difficulty swallowing
• food repeatedly sticking after you swallow
• pain when swallowing
• unexplained weight loss
• recurrent vomiting
• vomiting blood
• black, tar-like stools
• anaemia or unexplained iron deficiency
• persistent or progressively worsening symptoms

These symptoms have many possible causes.

They do not mean you have cancer.

But they should not simply be covered up indefinitely with acid medication.

Why does difficulty swallowing matter?

Difficulty swallowing — dysphagia — needs proper assessment.

Reflux can sometimes cause inflammation or narrowing of the oesophagus.

But swallowing difficulty can also have other causes, including:

• narrowing of the oesophagus
• inflammatory conditions such as eosinophilic oesophagitis
• movement disorders of the oesophagus
• oesophageal cancer

This is why “food is getting stuck” is not just another reflux symptom to ignore.

Do I need a gastroscopy?

Not everybody with reflux needs one.

A gastroscopy, or upper endoscopy, uses a camera to look at the oesophagus, stomach and first part of the small intestine.

For people with typical reflux symptoms and no warning features, treatment can often begin without endoscopy.

Gastroscopy becomes more useful when there are:

• swallowing difficulties
• bleeding
• unexplained weight loss
• anaemia
• persistent symptoms despite appropriate treatment
• diagnostic uncertainty
• concern about complications

The useful question is:

“What are we looking for, and will the test change what we do?”

Can reflux damage the oesophagus?

Yes.

Repeated acid exposure can sometimes inflame the oesophagus. This is called oesophagitis.

More severe or recurrent oesophagitis may be one reason longer-term acid suppression is needed.

Long-standing reflux can also sometimes lead to Barrett’s oesophagus, where the cells lining the lower oesophagus change.

Barrett’s does not mean you have cancer.

But it is associated with an increased risk of oesophageal cancer compared with someone without Barrett’s, so selected patients may need follow-up or surveillance.

Most people with reflux never develop this complication.

What if my PPI does not work?

Before assuming you need stronger treatment, step back.

I would consider:

• Is the diagnosis actually reflux?
• Are you taking the PPI correctly?
• Is the dose appropriate?
• Are symptoms mainly acid-related?
• Is there a significant hiatus hernia?
• Could there be another oesophageal problem?
• Is the symptom actually indigestion?
• Could the pain be cardiac or musculoskeletal?

Not every symptom that improves a little with a PPI proves that acid was the cause.

Repeatedly increasing treatment without reconsidering the diagnosis can delay the right answer.

Is indigestion the same as reflux?

No.

Indigestion, or dyspepsia, usually refers to discomfort centred in the upper abdomen.

Symptoms may include:

• upper abdominal pain or burning
• bloating
• early fullness
• feeling overly full after eating
• nausea

Reflux is more typically characterised by heartburn and regurgitation.

The two can overlap, but they are not interchangeable.

Can reflux cause cough or throat symptoms?

Possibly.

Reflux can contribute to cough, throat clearing or hoarseness in some people.

But these symptoms also have many other causes, including asthma, allergies, postnasal drip, infection, smoking and medication effects.

I would be cautious about diagnosing every chronic cough or throat symptom as “silent reflux”, especially when typical reflux symptoms are absent.

What about reflux at night?

Night-time reflux can be particularly disruptive.

Helpful strategies include:

• finishing meals earlier
• avoiding large evening meals
• reducing alcohol close to bedtime
• avoiding lying flat immediately after eating
• elevating the head of the bed

If you regularly wake with reflux despite these measures, it is worth reviewing the diagnosis and treatment.

When might surgery be considered?

Most reflux is managed without surgery.

Anti-reflux surgery, such as fundoplication, may be considered in selected people with clearly confirmed reflux, significant hiatus hernia or persistent symptoms despite appropriate treatment.

The diagnosis should be clear before surgery is considered.

When should I seek urgent help?

Seek urgent medical care for:

• severe or new chest pain, especially with shortness of breath, sweating or nausea
• vomiting blood
• black, tar-like stools
• severe difficulty swallowing
• food that becomes completely stuck
• fainting or severe weakness associated with bleeding

These are not symptoms to manage with another antacid and wait.

Start with one action

If reflux is bothering you regularly, start by asking:

“When does it happen?”

Look for the pattern.

Is it:

• after large evening meals?
• after alcohol?
• mainly when lying down?
• associated with weight gain?
• happening despite correctly taken treatment?
• accompanied by swallowing problems?

Understanding the pattern often tells us what the next step should be.

The Bottom Line

Occasional heartburn is common.

Persistent or troublesome reflux is different.

For many people, the foundation of treatment is:

• identifying personal triggers
• avoiding large meals close to bedtime
• addressing excess weight when relevant
• using acid-reducing medicines appropriately
• reviewing whether long-term treatment is still needed

PPIs are effective medicines when there is a good reason to use them, but they should not become an automatic lifelong prescription without review.

And not every burning sensation in the chest is reflux.

The useful question is not simply “What can I take for the heartburn?” It is “Does this pattern still look like ordinary reflux, or is there a reason we need to investigate further?”

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