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.

Dec 16, 2025 · H. pylori infections are caused by H. pylori germs that get into the stomach lining. The germs appear to be passed from person to person through contact with saliva, vomit or stool.

Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not all, people who get it are in health care facilities.

Apr 30, 2025 · This condition, often called stomach flu, is usually harmless, except for infants and people with immunosuppression. Symptoms can usually be managed.

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.

Sep 20, 2025 · This type of infection can cause stomach cramps, upset stomach and loose stools. Find out how to treat and prevent this waterborne parasite.

Oct 1, 2022 · Unlike many other disease-causing bacteria, E. coli can cause an infection even if you ingest only small amounts. Because of this, you can be sickened by E. coli from eating a slightly …

Feb 14, 2024 · Learn about the causes and treatments for this inflammation of the stomach lining.

Feb 28, 2024 · The flu shot does not protect against viruses that cause stomach flu, a disease of the intestines. Influenza viruses don't cause stomach flu, also known as gastroenteritis.

Apr 30, 2025 · For most people, norovirus infection usually clears up within a few days and isn't life-threatening. But in some people — especially young children; older adults; and people with …