What it is
A burning sensation in the chest or throat caused by stomach acid refluxing into the oesophagus.
Research-supported
Heartburn
A burning sensation in the chest or throat caused by stomach acid refluxing into the oesophagus.
CategoryDigestive
Reviewed by Gyfts Editorial Team · Editorial Health Review
26 March 2026
At a glance
Heartburn at a glance
Commonly experienced as
- People describe a burning feeling rising from the stomach after meals, particularly when bending or lying down, with a sour taste in the mouth or throat. Symptoms are often worse after eating late or consuming trigger foods.
Evidence context
Research-supportedSee the evidence snapshotContext
Patterns of Heartburn
Heartburn is the hallmark symptom of acid reflux (gastro-oesophageal reflux disease, GORD) — a burning sensation felt behind the breastbone that rises from the stomach or chest toward the throat, often accompanied by a sour or acidic taste. It arises when the lower oesophageal sphincter fails to prevent stomach acid from refluxing upward. Triggers include large meals, lying down after eating, fatty or spicy foods, alcohol, caffeine, chocolate, tomatoes, citrus, and smoking. Stress and anxiety worsen reflux through both increased acid production and impaired sphincter function. Pregnancy, obesity, and hiatus hernia predispose. Simple lifestyle modifications resolve symptoms in most cases. Persistent, frequent heartburn warrants medical assessment and may require endoscopy to assess oesophageal health.
Could this be you
People commonly experience
Heartburn shows up differently for everyone. Browse by how it tends to be felt — these are common experiences, not a checklist or a diagnosis.
In the body1 common experience
- People describe a burning feeling rising from the stomach after meals, particularly when bending or lying down, with a sour taste in the mouth or throat. Symptoms are often worse after eating late or consuming trigger foods.
Common experiences people describe — not a diagnostic checklist.
The Evidence
Evidence context
What research and clinical practice say about heartburn — and when to seek professional assessment.
Overall pictureStrong evidence base
Lifestyle changes and medical options are well-supported for heartburn
Heartburn has a well-researched evidence base across dietary, lifestyle, and medical approaches. Most people respond well to self-care, but persistent or severe symptoms need professional assessment to rule out underlying conditions.
When to seek urgent careSome symptoms alongside heartburn require prompt medical attention.
Seek urgent care if you notice blood in stool or vomit, severe abdominal pain with rigidity, persistent vomiting, or unintentional weight loss alongside digestive symptoms. These may indicate a condition requiring prompt professional assessment and should not be managed with self-care alone.
How strong is the evidence?Dietary and lifestyle changes have strong, consistent research support.
Avoiding known triggers — large meals, fatty or spicy foods, alcohol, caffeine, and lying down after eating — is strongly supported by evidence. Alginate-based preparations have strong evidence for symptom relief. Acupuncture shows moderate evidence as an adjunct approach, though research is less extensive.
Medical contextHeartburn is the primary symptom of acid reflux and is well understood clinically.
Heartburn results from stomach acid entering the oesophagus when the lower oesophageal sphincter is weakened or relaxed. Contributing factors include obesity, pregnancy, hiatus hernia, stress, and smoking. Frequent or persistent heartburn warrants medical review and may require endoscopy to assess oesophageal health.
Approaches worth knowing aboutA range of options exists, from self-care to complementary support.
Lifestyle modification is the first-line approach for most people. Over-the-counter alginate preparations offer well-evidenced short-term relief. Complementary options such as acupuncture may offer adjunct support for some individuals. Any complementary approach works best alongside — not instead of — professional care for ongoing symptoms.
When to see a professionalPersistent or frequent heartburn should be assessed by a qualified practitioner.
If heartburn occurs more than twice a week, disrupts sleep, or does not respond to lifestyle changes, a healthcare professional should be consulted. Long-term unmanaged reflux can affect oesophageal health. A GP or gastroenterologist can advise on appropriate investigation and management options.
What the evidence does not showNo single approach resolves heartburn for everyone, and evidence varies across options.
While lifestyle and medical approaches are well-supported, individual responses vary. Complementary approaches such as acupuncture have a more limited evidence base and should not be presented as primary management. Self-care is not a substitute for professional assessment when symptoms are frequent, severe, or accompanied by other warning signs.
Top Practitioners
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References
Evidence & Research
Educational sources that inform this overview. Inclusion is for context and does not imply endorsement.
- The functional gastrointestinal disorders and the Rome III process
- Gut feelings: The emerging biology of gut–brain communication
- Bowel disorders
Full citations are maintained by the Gyfts editorial team and reviewed periodically.
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