Overview Clostridioides difficile (klos-TRID-e-oi-deez dif-uh-SEEL) is a bacterium that causes an infection of the colon, the longest part of the large intestine. Symptoms can range from …

Oct 10, 2024 · 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. …

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 …

Apr 15, 2025 · Constipation is usually treated with changes in diet and exercise or with nonprescription medicines. Constipation may require medicines, changes in medicines or …

Intestinal ischemia (is-KEE-me-uh) refers to a range of conditions that happen when blood flow to the intestines slows or stops. Ischemia can be due to a fully or partly blocked blood vessel, …

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 …

Sep 20, 2025 · Giardia infection, also called giardiasis, is caused by a tiny parasite. It infects part of the digestive system called the small intestine. Symptoms include stomach cramps, …

Oct 11, 2024 · Overview Irritable bowel syndrome (IBS) is a common condition that affects the stomach and intestines, also called the gastrointestinal tract. Symptoms include cramping, …

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 …

Overview Anal itching is a common condition. The itch in or around the anus is often intense and can be embarrassing and uncomfortable. Anal itching, also called pruritus ani (proo-RIE-tus A …