Gastritis

Reviewed by Dr. Nikita Dinger, Founder & CEO, BioMeBar. Last reviewed 7 October 2026.

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What it is

Gastritis means inflammation of the stomach lining. It is a description of what a doctor sees on endoscopy or biopsy, not a single disease, and the same word is used casually in India for any burning stomach pain. The lining can become irritated for a few days, which is called acute gastritis, or inflamed over a longer time, called chronic gastritis.

Common causes include infection with Helicobacter pylori, regular use of painkillers such as diclofenac or ibuprofen, heavy alcohol use, smoking, bile reflux and, less often, autoimmune conditions. The point of knowing the cause is that it determines the plan. See the upper gut hub for related pages.

Common symptoms

• Burning or gnawing pain in the upper abdomen, sometimes worse on an empty stomach
• Nausea, early fullness or bloating after small meals
• Belching and loss of appetite
• Pain that eases or worsens with food, depending on the person
• Many people with gastritis have no symptoms at all

Gastritis does not always match its symptoms, and the diagnosis often needs an endoscopy or a test for H. pylori.

How gut bacteria may be involved

This is the one upper-gut condition with a well-known bacterial link. H. pylori colonises the stomach lining of a large share of people in many parts of the world, including India, and is the leading cause of chronic gastritis. Many carriers never get symptoms, but infection can lead to ulcers and, over decades, raises risk of stomach cancer in some people. A doctor can test for it by breath, stool antigen or biopsy.

Clinical studies have asked whether probiotics taken alongside standard H. pylori therapy are associated with fewer side effects such as diarrhoea, and some report modest benefits, though products and results vary. Anti-H. pylori therapy is a prescribed course; probiotics do not replace it.

Acid-suppressing medicines and antibiotics also alter the wider gut community, which is why recovery guidance often includes food and fibre.

Diet and everyday habits

Diet does not cause most gastritis, but it can make symptoms better or worse.

• Do not leave long gaps. Small, regular meals suit many people better than two heavy ones
• Skip tea or coffee on an empty stomach
• Alcohol, smoking and regular painkiller use irritate the lining and are worth reducing
• Comfortable options for many people: khichdi, dal-rice, idli, poha, upma, oats, curd rice, ripe banana, steamed or sauteed gourd sabzi
• Many find very spicy pickles, deep-fried food, vinegar-heavy chutneys and sharp citrus uncomfortable. They are not harmful for everyone, so test your own response
• Chaas or plain curd is well tolerated by many
• Chew slowly and stop before you feel full
• Take pain relief with doctor advice, with food and in the lowest dose, and ask about alternatives such as paracetamol where suitable
• Reduce stress where possible, though it is a trigger and not a cause

Related reading: acidity diet and indigestion.

Festival and fasting days deserve a mention. Long fasts followed by a heavy, oily meal are a classic set-up for a burning stomach. If you fast, break it gently with fruit, curd, sabudana khichdi in modest portions or a light dal-rice, and avoid strong tea before eating. Those on medicines for diabetes or blood pressure should ask their doctor about fasting.

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When to see a doctor first

Persistent upper abdominal pain needs a medical assessment. Seek care promptly for:

• Black, tarry stools or vomiting blood. These need urgent care
• Persistent vomiting
• Severe or sudden abdominal pain
• Difficulty swallowing
• Unintended weight loss, or feeling full after tiny meals
• Anaemia or unusual tiredness
• Symptoms starting after age 50, or a family history of stomach cancer
• Pain that continues for weeks despite medicines

Never start or stop H. pylori therapy on your own. Regimens differ, and completing the course matters.

How BioMeBar approaches it

We do not diagnose, treat or cure gastritis or H. pylori infection. For clients whose upper-gut symptoms have been checked by a doctor, we match a personalised synbiotic to the gut profile and symptoms they describe, with food and lifestyle guidance and check-ins. If you are on an H. pylori regimen, we will ask for details of your medicines and your doctor’s advice, and we do not alter any prescribed plan.

Common questions

Is gastritis the same as an ulcer?

No. Gastritis is inflammation of the lining. An ulcer is a deeper break in it. Both can cause similar pain and can share causes.

Can I have gastritis without H. pylori?

Yes. Painkillers, alcohol, bile reflux and other causes are common.

Does gastritis go away on its own?

Acute gastritis often settles once the cause is removed. Chronic gastritis depends on the cause and needs follow-up.

Should I avoid all spicy food?

Not necessarily. Use your own response as a guide, and reduce what clearly sets off symptoms.

Sources

• ACG Clinical Guideline on Helicobacter pylori infection
• Maastricht VI/Florence Consensus Report on Helicobacter pylori management
• NICE guideline on gastro-oesophageal reflux disease and dyspepsia in adults
• ICMR-NIN Dietary Guidelines for Indians

Talk to us

If you would like to know whether BioMeBar can support you, message us on WhatsApp. Tell us your symptoms and your pincode and we will take it from there. Not sure where to start? Take the free gut assessment, which takes about three minutes.

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BioMeBar provides nutrition and gut health guidance and does not replace medical care. See a doctor for severe, persistent or worrying symptoms.