May 2, 2025 · Other dehydration causes include: Diarrhea and vomiting. Diarrhea that comes on suddenly and hard can cause a …

Jul 18, 2026 · Diarrhea — loose, watery and possibly more-frequent bowel movements — is a common problem. Sometimes, it's the …

Aug 23, 2025 · Causes The veins around the anus tend to stretch under pressure and may bulge or swell. Hemorrhoids can develop …

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

Apr 15, 2025 · Overview Constipation is a problem with passing stool. Constipation generally means passing fewer than three stools …

May 14, 2026 · To find the cause of gastrointestinal bleeding, a healthcare professional will first take your medical history, including a …

May 14, 2026 · The blood often shows up in stool or vomit but isn't always obvious. Stool may look black or tarry. Bleeding can range …

However, several other conditions also can cause changes in bowel habits. Changes in stool color. Blood can show up as red …

Dec 4, 2025 · Crohn's disease is a type of inflammatory bowel disease (IBD) that causes swelling and irritation of the tissues, called …

Dec 19, 2024 · Colon cancer typically affects older adults, though it can happen at any age. It usually begins as small clumps of cells …