Hiatal Hernia
Learn about Hiatal Hernia, its reported features, relevant specialists, and questions to discuss at a medical consultation.
The sources compiled here do not cover: diagnosis, prevention, prognosis, onset, prevalence. Ask the treating doctor about these.
Understanding the condition
From: MedlinePlus, National Library of Medicine
A hiatal hernia is a condition in which the upper part of your stomach bulges through an opening in your diaphragm. Your diaphragm is the thin muscle that separates your chest from your abdomen. Your diaphragm helps keep acid from coming up into your esophagus. When you have a hiatal hernia, it's easier for the acid to come up. This leaking of acid from your stomach into your esophagus is called GERD (gastroesophageal reflux disease). GERD may cause symptoms such as :
- Heartburn
- Problems swallowing
- A dry cough
- Bad breath
- Nausea and/or vomiting
- Breathing problems
- The wearing away of your teeth
Often, the cause of a hiatal hernia is unknown. It may have to do with weakness in the surrounding muscles. Sometimes the cause is an injury or a birth defect. Your risk of getting a hiatal hernia goes up as you age; they are common in people over age 50. You are also at higher risk if you have obesity or smoke.
People usually find out that they have a hiatal hernia when they are getting tests for GERD, heartburn, chest pain, or abdominal pain. The tests may be a chest x-ray, an x-ray with a barium swallow, or an upper endoscopy.
You don't need treatment if your hiatal hernia does not cause any symptoms or problems. If you do have symptoms, some lifestyle changes may help. They include eating small meals, avoiding certain foods, not smoking or drinking alcohol, and losing weight. Your health care provider may recommend antacids or other medicines. If these don't help, you may need surgery.
Understanding terms used in the source
These definitions explain medical words used above. A definition is not evidence that another condition is present, and it does not predict how a symptom will develop. Ask the clinician which terms apply to the actual examination or test result.
- Gastroesophageal reflux
- A condition in which the stomach contents leak backwards from the stomach into the esophagus through the lower esophageal sphincter.
- Abdominal pain
- An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) and perceived to originate in the abdomen.
- Chest pain
- An unpleasant sensation characterized by physical discomfort (such as pricking, throbbing, or aching) localized to the chest.
- Vomiting
- Forceful ejection of the contents of the stomach through the mouth by means of a series of involuntary spasmic contractions.
Which doctor should you see?
The suggested department for discussing Hiatal Hernia is Gastroenterology, with a gastroenterologist as the relevant type of clinician. General physician / Family Medicine; paediatrician for children. Referral depends on symptoms.
This is an editorial referral starting point. The appropriate clinic depends on the person’s age, symptoms, previous diagnosis and local services. The first clinician can decide whether another specialty or a team is needed; a department label does not confirm the diagnosis.
How to prepare for an assessment
Bring a short timeline of the main symptoms: when they first appeared, whether they are constant or episodic, what seems to change them, and how they affect daily activities. Include previous reports, discharge summaries, current medicines and supplements, allergies, and any relevant family history. A dated record is more useful than trying to match every feature in an online article.
Ask the clinician what is already established and what remains uncertain. If a test is suggested, ask what question it answers, what its limitations are and how the result would change the next step. The information here is not an instruction to arrange every possible test. In children, bring growth, developmental and school information if it is relevant to the concern.
- Which digestive symptoms or nutritional changes matter most?
- What question would an endoscopy, scan or laboratory test answer if one is proposed?
- How should persistent pain, bleeding or difficulty eating be followed up?
Treatment discussions and follow-up
Where the source describes treatments, these are an overview of possible care, not a prescription for an individual. Ask which option applies to the confirmed diagnosis, what benefit is expected, what adverse effects to watch for and how progress will be assessed. Availability, approvals and local practice can differ from the country described in the source.
Before leaving the appointment, clarify the next review date, who will communicate results, and whom to contact if the situation changes. Discuss difficulties with sleep, work, school, mobility, eating or emotional wellbeing when these are relevant. Practical support may require coordination between the treating clinician and other services.
The collected references do not establish a complete prevention or long-term outlook section for this entry. Missing information should not be interpreted as proof that prevention is impossible or that a particular outcome is inevitable. Ask what is known for the exact subtype, stage and personal circumstances, and which uncertainties remain.
When to seek emergency help
Severe breathing difficulty, collapse, new stroke-like symptoms, a seizure that is prolonged or repeated without recovery, uncontrolled major bleeding, or an immediate risk of self-harm require emergency help. In India, call 112 or reach the nearest emergency department. This is a general, non-exhaustive warning list; it is not a condition-specific triage tool.
This condition is usually assessed by a gastroenterologist. Every profile shows the doctor’s registration and what has been checked.
All gastroenterology conditions →
Sources
- MedlinePlus, National Library of Medicine — Hiatal Hernia — Public-domain health-topic summary
- Human Phenotype Ontology Consortium — terminology definitions — HPO licence; definitions reproduced without alteration
- Government of India — Emergency Response Support System — Official reference for India emergency number
Source: MedlinePlus, National Library of Medicine. Orphadata Science: Free access data from Orphanet. © INSERM 1999; July 2026 data, CC BY 4.0. This product uses the Human Phenotype Ontology (hp/releases/2026-09-01). Only sources listed for this article apply. Source material has been selected and arranged; HPO definitions are reproduced without alteration. No source organisation endorses this compilation. Köhler S et al. The Human Phenotype Ontology project: linking molecular biology and disease through phenotype data. Nucleic Acids Research 2014;42(D1):D966–D974. doi:10.1093/nar/gkt1026.
General information, not advice about your situation. Errors can be reported through the corrections process. Reference TDI-C-1158.