H. pylori Infection

Overview

Helicobacter pylori (H. pylori) is a spiral-shaped bacterium that infects the stomach lining of about half of the world's population — and is especially common in Saudi Arabia and the wider Middle East. Most people have no symptoms, but in others it causes chronic gastritis, peptic ulcers, and a small but real increase in the risk of stomach cancer. The good news: it can almost always be cured with a 10–14 day course of antibiotics combined with acid-suppressing medication.

Symptoms

• Burning or gnawing pain in the upper abdomen (often worse on an empty stomach)
• Bloating and frequent belching
• Nausea or loss of appetite
• Unintended weight loss
• Iron-deficiency anemia (sometimes the only sign)
• Indigestion despite acid-blocker medication

How It Spreads & Risk Factors

• Spread mostly in childhood through saliva, contaminated food, or water
• Crowded living conditions and shared utensils increase risk
• A family member with confirmed infection
• Living in or coming from a region with high prevalence (e.g. Saudi Arabia)
• Poor sanitation in early life — the strongest risk factor
• It is NOT caused by stress or spicy food

Testing & Treatment

• Three reliable tests: urea breath test, stool antigen test, or biopsy during endoscopy
• Stop proton-pump inhibitors (omeprazole, esomeprazole) for 2 weeks before testing — they cause false negatives
• Stop antibiotics for at least 4 weeks before testing
• Standard treatment: a combination of two antibiotics plus a proton-pump inhibitor for 14 days
• Take ALL doses — incomplete treatment leads to resistance and treatment failure
• Retest 4–8 weeks after finishing antibiotics to confirm eradication
• If first treatment fails, a different antibiotic combination usually works

When to see a doctor

See a doctor if you have persistent stomach pain, unexplained weight loss, vomiting blood, black tarry stools, or trouble swallowing — these can suggest a bleeding or complicated ulcer. Anyone in the family of a confirmed case, or anyone with iron-deficiency anemia, persistent indigestion, or a family history of stomach cancer, should be tested.