
Helicobacter pylori (H. pylori) infection - Mayo Clinic
Dec 16, 2025 · More than half the people in the world may have an H. pylori infection at some point in their lives. These infections often happen during childhood, especially in developing …
Helicobacter pylori (H. pylori) infection - Mayo Clinic
Dec 16, 2025 · If you're concerned about an H. pylori infection, talk with your healthcare professional. Together you can decide whether H. pylori testing might be right for you.
Small intestinal bacterial overgrowth (SIBO) - Mayo Clinic
Nov 11, 2024 · Small intestinal bacterial overgrowth (SIBO) can occur when excess bacteria builds up in the small intestine. Learn more about this bowel disorder.
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
Apr 30, 2025 · The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated food or water.
Peptic ulcer - Symptoms and causes - Mayo Clinic
Aug 16, 2024 · A dull or burning pain in the stomach could be a peptic ulcer. Find out more about this common, treatable digestive condition.
Gastritis - Symptoms and causes - Mayo Clinic
Feb 14, 2024 · Learn about the causes and treatments for this inflammation of the stomach lining.
Prebiotics, probiotics and the microbes in your gut: Key to your ...
Dec 5, 2023 · Antibiotics are important because they fight infections caused by bacteria. But they can disrupt the healthy balance of gut microbiota, leading to issues like diarrhea, nausea and …
How yogurt supports healthy digestion - Mayo Clinic Press
Nov 29, 2023 · If you’ve ever had diarrhea, loose stools or other GI issues after taking an antibiotic, then you’ve experienced what can happen when harmful bacteria outnumber …
Peptic ulcers - Mayo Clinic Press
Jun 16, 2025 · While the infection is more common in developing countries, it’s estimated that over one-third of U.S. adults are infected. About 10% to 20% of people infected with the …
E. coli - Symptoms and causes - Mayo Clinic
Oct 1, 2022 · Most strains of E. coli bacteria are harmless, but some can cause severe symptoms. Learn about symptoms and treatment of this common foodborne illness.