
Stool color: When to worry - Mayo Clinic
Oct 10, 2024 · As bile travels through your digestive tract, it is chemically altered by enzymes, changing the colors from green to brown. Ask a healthcare professional if you're concerned about your stool …
Diarrhea - Symptoms and causes - Mayo Clinic
Jan 18, 2025 · 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 …
Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic
Oct 13, 2023 · Overview 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. …
Viral gastroenteritis (stomach flu) - Mayo Clinic
Apr 30, 2025 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. The most common way …
Diarrhea Causes - Mayo Clinic
Sep 26, 2005 · Diarrhea lasts more than two days without improvement. Excessive thirst, dry mouth or skin, little or no urination, severe weakness, dizziness or lightheadedness, or dark-colored urine, …
Diarrhea in adults - Mayo Clinic
About this Symptom Checker When to seek medical advice Consult your doctor if diarrhea lasts longer or is more severe than usual, or if you experience any of the following signs or symptoms: Severe …
Colon cancer stool: What to look for and how to test at home
Bleeding from higher up in the colon can make stools look black. Skinny or thin stool. A sudden change to ribbon-thin or pencil-thin stool might happen if cancer is making the passage smaller. Change in …
Diarrhea: Cancer-related causes and how to cope - Mayo Clinic
Apr 30, 2025 · Changes in your diet may help ease cancer-related diarrhea. If those don't help, medications are available.
Antibiotic associated diarrhea - Symptoms & causes - Mayo Clinic
Sep 20, 2025 · For most people, antibiotic-associated diarrhea causes mild symptoms, such as: Loose stools. Passing loose stools three or more times a day. Mild antibiotic-associated diarrhea may begin …
Food poisoning (foodborne illness) - Symptoms and causes
Aug 16, 2025 · Overview Food poisoning, a type of foodborne illness, is a sickness people get from something they ate or drank. The causes are germs or other harmful things in the food or drink. …