Gastritis

Inflammation of the stomach lining, causing upper tummy pain, nausea and indigestion.

DigestionStomachLast updated: 21 October 2026

Quick Summary

Primary Symptoms

Burning or aching upper tummy pain, nausea, vomiting, bloating and feeling full quickly.

Common Treatments

Acid-reducing medicines, treating H. pylori, stopping painkillers or alcohol that irritate the stomach.

Risk Factors

H. pylori infection, NSAID painkillers, alcohol, smoking and stress from severe illness.

OverviewSymptomsCausesTreatmentFAQ

Overview

Gastritis can be sudden (acute) or long-lasting (chronic). It's a common cause of 'acidity' symptoms.

Warning signs such as vomiting blood or black stools need urgent care.

Symptoms

Upper tummy pain

Burning or gnawing.

Nausea

And vomiting.

Bloating

And early fullness.

Bleeding signs

Black stools: urgent care.

Causes & Risk Factors

Biological Causes

Irritation or infection of the stomach lining.

Key Risk Factors

  • H. pylori Common cause.
  • Painkillers Ibuprofen, diclofenac, aspirin.
  • Alcohol And smoking.

Management & Treatment

01. Acid reducers

PPIs or H2 blockers.

02. Treat H. pylori

If present.

03. Avoid irritants

NSAIDs and alcohol.

Frequently Asked Questions

Is gastritis the same as an ulcer?
No, but it can lead to one.
Does spicy food cause it?
It can worsen symptoms.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.