E. coli - Symptoms and causes - Mayo Clinic
Oct 1, 2022 · Human and animal stool may pollute ground and surface water, including streams, rivers, lakes and water used to irrigate crops. Although public water systems use chlorine, ultraviolet light or ozone to kill E. coli, some E. coli outbreaks have been linked to contaminated municipal water supplies.
E. coli - Diagnosis and treatment - Mayo Clinic
Oct 1, 2022 · To diagnose illness caused by E. coli infection, your doctor sends a sample of your stool to a laboratory to test for the presence of E. coli bacteria. The bacteria may be cultured to confirm the diagnosis and identify specific toxins, such as those produced by E. coli O157:H7.
Traveler's diarrhea - Symptoms and causes - Mayo Clinic
Aug 19, 2023 · Traveler's diarrhea is a digestive tract disorder that commonly causes loose stools and stomach cramps. It's caused by eating contaminated food or drinking contaminated water. Fortunately, traveler's diarrhea usually isn't serious in most people — it's just unpleasant.
Shigella infection - Symptoms and causes - Mayo Clinic
This rare complication prevents the colon from passing stool and gas. The colon becomes bigger as a result. Symptoms include stomach pain and swelling, fever, and weakness. Without treatment, the colon may burst. This causes a life-threatening infection called peritonitis that needs emergency surgery. Reactive arthritis
C. difficile infection - Symptoms and causes - Mayo Clinic
Blood or pus in the stool. C. difficile infection that is severe and sudden can cause the colon to become inflamed and get larger, called toxic megacolon. And it can cause a condition called sepsis where the body's response to an infection damages its own tissues.
Food poisoning - Symptoms and causes - Mayo Clinic
Feb 23, 2024 · Symptoms of food poisoning often include upset stomach, diarrhea and vomiting. Symptoms usually start within hours or several days of eating the food. Most people have mild illness and get better without treatment. Sometimes …
Salmonella infection - Symptoms & causes - Mayo Clinic
Apr 29, 2022 · Salmonella infection is usually caused by eating raw or undercooked meat, poultry, and eggs or egg products or by drinking unpasteurized milk. The incubation period — the time between exposure and illness — can be 6 hours to 6 days. Often, people who have salmonella infection think they have the stomach flu.
Hemolytic uremic syndrome (HUS) - Symptoms and causes
Hemolytic uremic syndrome caused by E.coli can occur if you: Eat meat, fruit or vegetables with the bacteria. Swim in pools or lakes that have feces with the bacteria. Have close contact with an infected person. The risk of getting hemolytic uremic syndrome is highest for: Children 5 or younger. People who have weakened immune systems.
Hemolytic uremic syndrome (HUS) - Diagnosis and treatment
Urine test. This test can find unusual levels of protein and blood and signs of infection in urine. Stool sample. This test might find E. coli and other bacteria in stool. If the cause of hemolytic uremic syndrome isn't clear, other tests might help find the cause.
Helicobacter pylori (H. pylori) infection - Symptoms & causes
May 5, 2022 · H. pylori bacteria are usually passed from person to person through direct contact with saliva, vomit or stool. H. pylori may also be spread through contaminated food or water. The exact way H. pylori bacteria causes gastritis or a peptic ulcer in some people is still unknown.