what does tarry stool look like
Rachel Hernandez
Updated on May 15, 2026
Black or tarry stools with a foul smell are a sign of a problem in the upper digestive tract. It most often indicates that there is bleeding in the stomach, small intestine, or right side of the colon. The term melena is used to describe this finding.
What do tar stools look like?
If bleeding occurs in the stomach or the upper part of the small intestine, the stool may turn black and sticky, and be described medically as black, tarry stool (melena). Generally, the black, tarry stool also is foul-smelling.
What is a tarry texture stool?
Tarry stools are bowel movements that have an unusually dark appearance, usually due to blood in the stools, that causes them to look black and resemble tar. Medical providers sometimes use the term “melena” to describe tarry stools.
What color are tarry stools?
A commonly experienced deviation from the normal brown color is when the stool is black or has a tarry consistency. This is known as melena and is usually associated with upper gastrointestinal bleeding; in addition to the distinctive dark color, melena is recognizable by its foul-smelling odor.
How do I know if I have intestinal bleeding?
Overt bleeding might show up as: Vomiting blood, which might be red or might be dark brown and resemble coffee grounds in texture. Black, tarry stool. Rectal bleeding, usually in or with stool.
Is very dark brown stool normal?
All shades of brown and even green are considered normal. Only rarely does stool color indicate a potentially 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.
What color is stool with pancreatitis?
Disorders that affect the pancreas
Chronic pancreatitis, pancreatic cancer, a blockage in the pancreatic duct, or cystic fibrosis can also turn your stool yellow. These conditions prevent your pancreas from providing enough of the enzymes your intestines need to digest food.
What color is your stool if you have liver problems?
Considerations. The liver releases bile salts into the stool, giving it a normal brown color. You may have clay-colored stools if you have a liver infection that reduces bile production, or if the flow of bile out of the liver is blocked. Yellow skin (jaundice) often occurs with clay-colored stools.
Is peanut butter colored poop normal?
Stools should be brown, have a peanut-butter texture, and look like a sausage. If you have abnormal colors, it may be due to something you ingested. But it may also be due to serious illness. If it’s abnormal once, it’s likely nothing to worry about.
What is the healthiest color of stool?
Healthy bowel movements typically produce stools that are brown in color. Common color changes that can indicate a problem include: Red: Blood smears when wiping could be a sign of hemorrhoids or an anal tear, known as a fissure. Bright red blood or maroon blood in the stool could signify internal bleeding.
Why is my poop dark and sticky?
Sticky poop can be a symptom of a temporary or chronic digestive disorder, or the result of a diet that contains too much fat. Sticky poop can appear greasy and pale or dark and tarry. If you also have other symptoms, such as gas or abdominal cramps, talk to your doctor to determine the cause.
Should your poop float or sink?
Healthy Poop (Stool) Should Sink in the Toilet
Floating stools are often an indication of high fat content, which can be a sign of malabsorption, a condition in which you can’t absorb enough fat and other nutrients from the food you’re ingesting.
What are the 7 types of poop?
Bristol stool chart
Type 1: Marbles. Appearance: Hard and separate little lumps that look like nuts and are hard to pass. Type 2: Caterpillar. Appearance: Log-shaped but lumpy. Type 3: Hot dog. Appearance: Log-shaped with some cracks on the surface. Type 4: Snake. Type 5: Amoebas. Type 6: Soft serve. Type 7: Jackson Pollock.
Why is my stool dark brown almost black?
Stool that is almost black, dark, or tar-like with a thick consistency may mean there is bleeding in the upper part of the gastrointestinal tract. 17 Medical conditions that can cause dark, tar-like stool include duodenal or gastric ulcers, esophageal varices, a Mallory-Weiss tear, and gastritis.
Can internal bleeding heal on its own?
Often, GI bleeding stops on its own. If it doesn’t, treatment depends on where the bleed is from. In many cases, medication or a procedure to control the bleeding can be given during some tests.
What does intestinal bleeding feel like?
Symptoms also vary depending on how quickly you bleed. If sudden, massive bleeding happens, you may feel weak, dizzy, faint, short of breath, or have cramp-like belly pain or diarrhea. You could go into shock, with a rapid pulse and drop in blood pressure.
What does bright red blood in stool mean?
Bright red blood in the stool typically indicates that there is bleeding in the rectum or colon, which may be a sign of colon or rectal cancer. Rectal bleeding can also be caused by hemorrhoids.