How Do You Know If You Have Helicobacter Pylori?

In short: Helicobacter pylori is a bacterium that can cause stomach ulcers and inflammation. Not everyone infected shows visible symptoms, but early detection helps prevent chronic problems. A home test or your doctor can confirm whether you have it.

What is H. pylori infection?

Helicobacter pylori (H. pylori) is a bacterium that colonizes the stomach or duodenum. It is the most common cause of peptic ulcer disease and chronic gastritis. If left untreated, persistent irritation of the stomach lining can lead to more serious health complications.

Symptoms and causes

How does H. pylori damage the stomach?

The bacteria live in the protective mucus layer of the stomach lining. They produce an enzyme called urease, which neutralizes stomach acid by converting urea into ammonia. This lets the bacteria survive in the harsh acidic environment, where they gradually weaken the stomach tissue.

Common symptoms of infection

Many people are asymptomatic, but when symptoms occur they often mimic gastritis or ulcers:

• Dull or burning stomach pain (often worse at night or when the stomach is empty)
• unplanned weight loss and loss of appetite
• frequent bloating and belching
• nausea or indigestion (dyspepsia)
• in severe cases: blood in the stool or bloody vomit

Diagnostics and professional help

If you prefer a clinical diagnosis, your doctor may perform a breath test, stool test, blood test, or a gastroscopy (endoscopy). If H. pylori is confirmed, treatment usually involves a combination of antibiotics and proton-pump inhibitors, decided and supervised by your doctor.

Helicobacter pylori at a glance

FAQ: How to tell if you have H. pylori