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.
Stool DNA test - Mayo Clinic
2024年4月25日 · A stool DNA test uses a stool sample to look for signs of colon cancer. It's one option for colon cancer screening. A stool DNA test finds cells in a stool sample. The test checks for changes in the cells' genetic material, which is also called DNA. Certain DNA changes are a sign that cancer is present or that it might happen in the future.
Encopresis - Symptoms & causes - Mayo Clinic
2021年9月25日 · Encopresis (en-ko-PREE-sis), sometimes called fecal incontinence or soiling, is the repeated passing of stool (usually involuntarily) into clothing. Typically it happens when impacted stool collects in the colon and rectum: The colon becomes too full and liquid stool leaks around the retained stool, staining underwear.
Nonprescription laxatives for constipation: Use with caution
2024年1月26日 · Oral stool softeners (Colace, Surfak, Docusate Calcium) Add moisture to stool to soften stool, allowing strain-free bowel movements: Electrolyte imbalance if used for a long time: Oral stimulants (Dulcolax, Senokot Bisacodyl, Senna/Sennosides) Trigger rhythmic contractions of intestinal muscles to eliminate stool
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.
Ascariasis - Diagnosis & treatment - Mayo Clinic
2022年5月17日 · Stool tests. Mature female ascariasis worms in your intestine begin laying eggs. These eggs travel through your digestive system and eventually can be found in your stool. To diagnose ascariasis, your doctor will examine your stool for the tiny (microscopic) eggs and larvae. But eggs won't appear in stool until at least 40 days after you're ...
Gastrointestinal bleeding - Diagnosis and treatment - Mayo Clinic
2023年10月13日 · Stool tests. Analyzing your stool can help determine the cause of occult bleeding. Nasogastric lavage. A tube is passed through your nose into the stomach to remove stomach contents. This might help find the source of the bleeding. Upper endoscopy. An upper endoscopy is a procedure that uses a camera to view the upper digestive system.
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
2022年1月18日 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever.