Diarrhea - Symptoms and causes - Mayo Clinic
2024年8月3日 · Diarrhea — loose, watery and possibly more-frequent passage of stool — is a common problem. Sometimes, it's the only symptom of a condition. At other times, it may be associated with other symptoms, such as nausea, vomiting, abdominal pain or weight loss. Luckily, diarrhea is usually short-lived, lasting no more than a few days.
Stool color: When to worry - Mayo Clinic
2024年10月10日 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool.
Constipation - Symptoms and causes - Mayo Clinic
2023年10月20日 · Constipation is a problem with passing stool. Constipation generally means passing fewer than three stools a week or having a difficult time passing stool. Constipation is fairly common. A lack of dietary fiber, fluids and exercise can cause constipation. But other medical conditions or certain medicines may be the cause.
Fecal incontinence - Symptoms and causes - Mayo Clinic
2024年11月27日 · Loose or watery stool that quickly fills the rectum and is difficult to hold. Large, hard stool that blocks the rectum and results in leakage of softer stool around it. Damaged or weakened muscles. The muscles of the anus, rectum and pelvic floor control the holding and passing of stool. Damaged or weak muscles can cause fecal incontinence.
Infant constipation: How is it treated? - Mayo Clinic
2024年10月5日 · Newborns typically pass stool every day for the first month or two. After that, some babies pass stool less often. And babies that take in formula tend to pass stool less often than do babies taking in breast milk. Just as in older children and adults, healthy patterns of passing stool can vary among babies.
Intestinal ischemia - Symptoms and causes - Mayo Clinic
An urgent need to pass stool. Forcefully passing stool often. Belly tenderness or bloating, also called distention. Bloody stools. Nausea and vomiting. Mental confusion, in older adults. Symptoms of intestinal ischemia that comes on slowly, also called chronic intestinal ischemia. Symptoms of chronic intestinal ischemia can include:
Norovirus infection - Diagnosis & treatment - Mayo Clinic
2022年3月4日 · Norovirus infection is usually diagnosed based on your symptoms, but noroviruses can be identified from a stool sample. If you have a weakened immune system or have other medical conditions, your health care provider might recommend a stool test to confirm the presence of norovirus.
Helicobacter pylori (H. pylori) infection - Mayo Clinic
2022年5月5日 · Stool PCR test. A lab test called a stool polymerase chain reaction (PCR) test can detect H. pylori infection in stool. The test can also identify mutations that may be resistant to antibiotics used to treat H. pylori. However, this test is more expensive than a stool antigen test and may not be available at all medical centers.
Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic
2023年10月13日 · 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. Imaging technology or an endoscopic investigation can usually locate the cause of the bleeding.
C. difficile infection - Diagnosis and treatment - Mayo Clinic
Stool tests. If C. difficile infection is suspected, one or more tests of a stool sample can show either the toxins or strains of the bacteria that produce toxins. Colon exam. Rarely, to help confirm a diagnosis of C. difficile infection, a health care provider might check the inside of the colon.