Giardia infection (giardiasis) - Symptoms & causes - Mayo Clinic
WEBNov 8, 2022 · Some people with giardia infection never develop signs or symptoms, but they still carry the parasite and can spread it to others through their stool. For those who do get sick, signs and symptoms usually appear one to three weeks after exposure and may include: Watery, sometimes foul-smelling diarrhea that …
Giardia infection (giardiasis) - Diagnosis & treatment - Mayo Clinic
WEBNov 8, 2022 · To help diagnose giardia infection (giardiasis), your doctor is likely to test a sample of your stool. For accuracy, you may be asked to submit several stool samples collected over a period of days. The samples are then …
Shigella infection - Symptoms and causes - Mayo Clinic
WEBThe germs that cause it spread easily through an infected person's stool. The germs can get on fingers, on surfaces, or into food or water. Infection happens after the germs are swallowed. The main symptom of shigella infection is …
Helicobacter pylori (H. pylori) infection - Symptoms & causes
WEBMay 5, 2022 · H. pylori infection occurs when H. pylori bacteria infect your stomach. 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.
Cholera - Symptoms & causes - Mayo Clinic
WEBDec 9, 2022 · Cholera bacteria might not cause illness in all people who are exposed to them, but they still pass the bacteria in their stool, which can contaminate food and water supplies. Contaminated water supplies are the main source of cholera infection.
Helicobacter pylori (H. pylori) infection - Diagnosis ... - Mayo Clinic
WEBMay 5, 2022 · Testing is important for detection of Helicobacter pylori (H. pylori). Repeat testing after treatment is important to be sure H. pylori is gone. Tests may be done using a stool sample, through a breath test and by an upper endoscopy exam.
Blastocystis hominis - Symptoms & causes - Mayo Clinic
WEBFeb 9, 2023 · Some people experiencing diarrhea, abdominal pain or other gastrointestinal problems have blastocystis organisms in their stool. Most commonly, however, blastocystis organisms simply live in a person's digestive tract without causing harm.
Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic
WEBOct 13, 2023 · Gastrointestinal (GI) bleeding is a sign of a disorder in the digestive tract. The blood often shows up in stool or vomit but isn't always obvious. Stool may look black or tarry. Bleeding can range from mild to severe and can be life-threatening.
Tinidazole (Oral Route) Proper Use - Mayo Clinic
WEBFeb 1, 2024 · For giardiasis: Adults—2 grams (g) given as a single dose. Children older than 3 years of age—Dose is based on body weight and must be determined by your doctor. The dose is usually 50 milligrams (mg) per kilogram (kg) of body weight (up to 2 g) given as a single dose.
Fecal occult blood test - Mayo Clinic
WEBJul 12, 2024 · A fecal occult blood test looks for blood in a sample of stool. It can find tiny amounts of blood that can't be seen just by looking at the stool. The medical term for this hidden blood is occult blood. Fecal occult blood test is often shortened to FOBT.