Very Dark Brown Stool Almost Black: 3 Causes Explained.
- 1- Food.. When you experience very dark brown stools (almost black) with no other symptoms, you should think of simple...
- 2- Medications.. Some medications can lead to almost black stools (very dark brown). Most commonly, iron-containing...
- 3- bleeding into your gut.. The most dangerous, and the most unlikely cause...
Full Answer
What does dark almost black poop mean?
Black stool is a condition in which the feces are very dark or black in color. Black stool may be normal in some cases and caused by ingesting certain substances or medications, such as iron supplements. However, black stool can also be caused by a serious condition, such as bleeding in the digestive tract caused by a peptic ulcer.
Is it bad if my POOP is black?
Stool that appears black is not always a sign of a bigger health problem. Your stool can look black as a result of food or iron supplements you have eaten. If that's the case, the color will return to normal within a day or so.
What causes your poop smells really bad?
Why does my stool smell foul?
- Antibiotics and infection. In some cases, antibiotics can cause foul-smelling poop. ...
- Lactose intolerance. Lactose is a type of sugar present in milk and other dairy products. ...
- Milk allergy. ...
- Celiac disease. ...
- Short bowel syndrome. ...
- Ulcerative colitis. ...
- Crohn’s disease. ...
- Chronic pancreatitis. ...
Why do some people poop in the dark?
The exact science is unknown, but Sheth thinks the sensation may result from “a slightly prolonged buildup, an overdistension of the rectum, and immediate collapse by passing a sizable stool, which fires the vagus nerve and releases endorphins.” Lights-out pooping, Sheth adds, may “help with a proper rate of exit.”
What does dark poop mean?
A poop color 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. 20 Medical conditions that can cause dark, tar-like stool include duodenal or gastric ulcers, esophageal varices, a Mallory-Weiss tear, and gastritis.
Is it normal for Poop to be dark?
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 causes very dark brown stool?
Darkening of the stool may be a normal occurrence related to specific foods or medications; however, it can sometimes be a sign of a more serious condition such as bleeding in the intestinal tract. When related to foods, blueberries, beets, or black licorice are often the cause.
What foods cause dark poop?
Foods that are rich in iron can also cause black-tinged stool. This can sometimes present as flecks or specks as well. Examples of these foods include oysters and kidney beans. Taking iron supplements can also cause stool to turn black or green with black specks.
When should you worry about black stool?
People who have had black specks in their stool for more than a day or two should see a doctor if they are not taking medication that turns the stool black. Similarly, they should see a doctor if they cannot explain the color by any foods they have recently eaten.
What are the 7 types of poop?
Bristol stool chartType 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.
Can constipation cause dark poop?
Constipation is when you have infrequent bowel movements and stool is very hard and dry. The stool may appear darkish or black. When you try to have a bowel movement, you may strain, or your stool may look like hard pellets. You may feel abdominal pain, cramping, or bloating.
What does healthy poop look like?
The Bristol Stool Scale considers Types 3 and 4 to be “normal” or generally healthy poop. All things being equal, your poop should ideally be shaped like a sausage or log with a smooth surface and be relatively easy to pass.
Can IBS cause dark stools?
However, Irritable Bowel Syndrome (IBS) is usually not associated with black stool, despite this chronic condition causing similar symptoms of an internal bleed—cramping, abdominal pain, bloating, gas, diarrhea, and/or constipation.
How long does black stool last?
Dark colored / black stools are a common side effect and can last for several days after you stop taking Pepto-Bismol. This is not a serious side effect.
What does black poop look like?
Black tarry stools Red blood cells are broken down by digestive enzymes in the intestine and turn the stool black. These stools tend to be tar-like (sticky) and foul-smelling. This can be a medical emergency; black tarry stools should not be ignored.
What is Covid poop?
Feces of people with mild COVID can harbor viral genetic material months after infection. share. People with mild to moderate COVID-19 can shed viral RNA in their feces months after initial infection, Stanford researchers find. Those who do often have nausea, vomiting and abdominal pain.
What is it called when your poop is dark?
An ulcer is an open sore on the inside of your stomach or small intestine. Sometimes these sores bleed. This can make your poop dark. Blood exposed to gastric acids turns black and tarry (sticky). This is called melena and is a sign of an upper gastrointestinal bleed.
What happens if you poop black?
Other side effects of iron supplements are: Stomachache. Nausea.
What does it mean when you have a black tarry stool?
If you have bleeding in the upper GI tract -- the esophagus, stomach, and duodenum -- you could have black, tarry stools that are called melena. It could be a sign of esophageal and gastric cancers. Treatment for these cancers depends on the stage of the disease and how far it's spread.
What does it mean when you throw up?
Heartburn. Nausea, throwing up, or having vomit that looks like coffee grounds. Some medicines for ulcers lower the amount of acid in your stomach. Others coat and protect it from the damage that stomach acids can cause. Call your doctor if you: See blood in your poop or vomit. Have trouble breathing.
Why is my poop black?
If you notice your poop is black or tarry, it might be due to something as simple as a change in your diet or a new medicine you're taking. Sometimes, though, it's a sign of a medical problem that you don't want to ignore. Even if you think you know why it's happening, always call your doctor if you have black, tarry stools.
What does it mean when you vomit black stuff?
Other symptoms you might get are: Bright red vomit or black stuff in your vomit that looks black like coffee grounds. Weakness. Dizziness or fainting.
How to treat cancer of the esophagus?
Treatment for these cancers depends on the stage of the disease and how far it's spread. Options can include surgery, chemotherapy, or radiation. Mallory-Weiss Tear. Intense coughing or vomiting can tear the esophagus and make it bleed, a condition called a Mallory-Weiss tear.
Why is my stool black?
Causes. Black stool can be caused by eating certain foods, taking certain medications or supplements (like iron), or it can be the result of something more serious . Stool is also known as bowel movements, feces, or poop, and bodily waste left over after digestion.
What does it mean when your stool turns black?
Blood in the Stool (Melena) Blood that comes from the upper GI tract—such as the esophagus or the stomach—may turn the stool black. This is a condition called melena. If you have melena, you may also notice that your stool has a tarry texture or is similar to coffee grounds.
Why does stool turn black after a syringe?
After the bleeding has stopped, stool may continue to appear black and tarry for several days. Possible causes of melena include a bleeding ulcer, gastritis, esop hageal varices (enlarged veins), or a tear in the esophagus from violent vomiting (Mallory-Weiss tear). 2.
Why is my stool red?
This is a condition called hematochezia. Blood stemming from this region will be more red in appearance, because it will be exposed to less of the digestive process.
How to tell if you have blood in your stool?
Blood in the stool can be detected through a stool test. See your doctor right away if you have black stool along with pain, vomiting, or diarrhea. If you suspect there is blood in your stool, contact your doctor as soon as possible.
What is the rarest condition in the stomach?
Dieulafoy lesion (a rare condition of the stomach) Erosive esophagitis (inflammation in the esophagus) Erosive gastritis (inflammation in the stomach) Intestinal ischemia (blood supply to the intestines is cut off) Peptic ulcers (sores in the stomach lining or upper part of small intestine)
What causes black stools?
Iron supplements, taken alone or as part of a multivitamin for iron-deficiency anemia, may cause black stools or even green stools. 1. Foods that are dark blue, black, or green may also cause black stools. Substances that are often found to cause black stools include: Black licorice. Blueberries.
Why does my poop turn black?
In addition, sometimes vomiting can cause a tear in the esophagus that can lead to bleeding that turns the po op black. (Here are 10 toilet habits you need to stop doing right now .)
Why is my stool brown?
Mitzner, who is based in New York. That’s because the color of stool is a function of what you eat and what’s going on in your digestive tract. Just because your stool happens to come out some other color doesn’t mean ...
Why is my esophagus black?
Esophageal varices are like varicose veins, but in your esophagus. They can cause bleeding in the upper GI tract and black stool as a result. Esophageal varices are usually related to cirrhosis of the liver, which is a chronic liver condition, and black stool would rarely be your first clue that you were suffering from it.
What are the symptoms of a peptic ulcer?
However, if you have a peptic ulcer, you will probably have some other symptoms such as a swollen belly, indigestion, burning pain in the belly, and vomiting that looks like coffee grounds. (Here are 10 ulcer symptoms you should never ignore .)
What happens when you bleed in the upper GI tract?
When there is bleeding in the upper GI tract (which includes the stomach, esophagus, and duodenum, the section just after the stomach), the red blood cells break down and become black in appearance , explains colorectal surgeon, Lynn O’Connor, MD, director of Colon & Rectal Surgery of New York and section chief of colon and rectal surgery at Mercy Medical Center and St. Joseph Hospital in New York.
Can blood thinners cause black stool?
Taking blood thinners can also cause black stool, notes Kumar Desai, MD, gastroenterologist, hepatologist, and pancreaticobiliary specialist in Thousand Oaks, California. Black stool from blood thinners signifies a GI tract bleed (upper) that could indeed be serious and should be reported to your doctor.
Does iron cause tarry stool?
But again, as Dr. Thomas notes, black stool caused by iron supplementation does not cause tarry stool.
What is a black poop?
Black or bloody stool. Colon polyps are small growths in the colon. Polyps begin as benign (not cancerous) growths, but can develop into cancer over time. Usually, they do not have any symptoms, but sometimes, they can ooze small amounts of blood. A colonoscopy can find polyps before they become cancerous.
Why does my stool turn black?
Other causes include NSAIDs, smoking, or drinking alcohol or eating foods that irritate the lining of the stomach. Inflammation can cause small amounts of bleeding, which can turn your stool black. Treatment depends on the cause. If the gastritis is caused by smoking, stop smoking.
What does it mean when your stool is hard?
Hard, pebbly stool. Dark brown or black colored stool. Abdominal discomfort or bloating. Constipation is when you have infrequent bowel movements and stool is very hard and dry. The stool may appear darkish or black. When you try to have a bowel movement, you may strain, or your stool may look like hard pellets.
Why is my stool brown?
If your stool is any color other than brown, it may be alarming. Sometimes the reason is as innocent as eating new foods. But stool colors can also be a sign of serious conditions like gastrointestinal bleeding, so it’s important to find out what’s going on. Diarrhea & Stool. 8 Causes of Diarrhea.
Why does my baby's stool smell black?
Black blood in the stool usually also has a bad odor. In the first day of life, newborns have black stool made up of amniotic fluid, skin cells, and other things ingested while in the womb. This is normal and changes to a tan color within a few days. 1. Peptic ulcer.
What does it feel like to have a hard bowel movement?
When you try to have a bowel movement, you may strain, or your stool may look like hard pellets. You may feel abdominal pain, cramping, or bloating. Laxatives, good nutrition, and drinking a lot of fluids can all help with constipation.
Why is my poop different color?
It’s rare for it to be a sign of a serious condition in your digestive system. But if it’s white, bright red, or black, and you don’t think it’s from something you ate, call your doctor.
Why is my poop pale?
Other causes of pale poop. A more serious cause is a lack of bile in your stool. (Remember, bile gives poop its brown color.) Your body makes bile in the liver, stores it in the gallbladder, and releases it into your small intestine to help digest your food.
What foods make your poop orange?
Pumpkin. Sweet potatoes. Foods with orange coloring, such as sodas, candy, or gelatin dessert, can also give your poop an orange color. Also, antibioticsand antacids that have aluminum hydroxide in them can make your stool orange.
Why is my poop yellow?
Indirectly, your diet could cause yellow poop. If you have celiac disease, your body can’t handle a protein called gluten, which is in wheat, barley, and rye. If you have the condition and eat foods that have gluten, like many breads, pastas, and cookies, your intestineswon’t work as they should.
Why is my baby's poop black?
Otherwise, it may be because you ate something very dark-colored or took a medicine or supplement that causes black poop. But this color can be a sign of a more serious problem: bleeding in the upper part of your digestive tract.
Why does my waste color change?
Most of the time, minor changes in the color of your waste are due to diet. After all, we don’t eat the same thing at every meal, every day. But sometimes a color change can signal a minor health issue. In rare cases, it means something serious is wrong in your digestive system.
How to get rid of dark stool?
Check the iron content of your supplement. If you are not sure about the cause of very dark stool, try to withhold supplements for 3 to 5 days. And watch your stool color, if it reverts to normal, then it is due to the iron-containing supplement.
Why is my stool dark brown?
Very dark brown stools are often caused by dark foods, food pigments, or medications. However, almost black stool can be a sign of bleeding inside your gastrointestinal tract.
What is the smell of blood coming from the upper part of the stomach called?
Blood coming from the upper part of your gut (esophagus, stomach, or duodenum) is usually black (called melena). Melena is different from a very dark brown stool. It is tarry black. Usually with a characteristic offensive smell (rotten meat smell).
What causes black stools?
Medications can indirectly cause almost black stools (melena) by inducing bleeding inside the stomach or intestine. Tow major mechanisms of bleeding: Inducing ulcers or injury to the lining of your intestine which in turn bleeds.
Why is my stool black?
Because it is less frequent compared to food and medications. Also, Bleeding into the upper part of your gut (eso phagus, stomach, and early part of small intestine) causes JET BLACK stool rather than a very dark brown stool. Minor and recurrent bleeds can cause black spots or speckles in the stool.
Can blood thinners cause peptic ulcers?
Preventing normal coagulating of blood (blood-thining medications) can cause bleeding inside your gut even without apparent injury. The most commonly used medications that can cause peptic ulcers and bleed into stool are non-steroidal anti-inflammatory drugs ( NSAIDs).
Why does stool color change?
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. As bile pigments travel through your gastrointestinal tract, they are chemically altered by enzymes, ...
Why is my stool red?
If your stool is bright red or black — which may indicate the presence of blood — seek prompt medical attention. Food may be moving through the large intestine too quickly, such as due to diarrhea. As a result, bile doesn't have time to break down completely.
What does it mean when you have no bile in your stool?
A lack of bile in stool. This may indicate a bile duct obstruction. Certain medications, such as large doses of bismuth subsalicylate (Kaopectate, Pepto-Bismol) and other anti-diarrheal drugs. Excess fat in the stool, such as due to a malabsorption disorder, for example, celiac disease.
Does bile break down?
As a result, bile doesn't have time to break down completely. Green leafy vegetables, green food coloring, such as in flavored drink mixes or ice pops, iron supplements. A lack of bile in stool. This may indicate a bile duct obstruction.
Why is my stool dark?
This type of stool is often dark because it stays in the intestines longer.
What foods make your stool darker?
Activated charcoal supplements. Dark foods, such as black licorice, blueberries, Oreo cookies, blackberries, grape juice, or blueberries. Stool can also appear darker with constipation. Dark green stool from bile that hasn't had time to break down may look black in certain lighting.
What does it mean when your stool is brown?
Bile salts in the intestines give stool its usual brown color. Stool that is light-colored (either pale, white, grey, or clay-colored) could indicate a lack of bile in the stool. A blockage of the bile ducts from gallstones, or a condition affecting your gallbladder, liver, or pancreas, can cause decreased bile output.
Why does my stool change color?
For example, if you are constipated, if your stool is pebble-shaped, or if it sinks quickly, you may simply need to add more fiber to your diet.
Why is my stool green?
3 Iron supplements and food coloring, including green, purple, and blue dye, can also turn feces an emerald color. Conditions that speed up intestinal activity, such as a bowel disorder or food poisoning, can also lead to green stool.
What is the name of the stool that is excreted in small pieces?
Stool excreted in small pieces is sometimes called pebble or pellet stool. 6 Fiber forms a gel in the intestines when it is fermented by bacteria in the colon and combined with water. If there is a lack of fiber holding stool together, it may be shaped like small pebbles.
Why is my stool yellow?
Stool that has suddenly become yellow can also be a sign of an intestinal infection, particularly if you also have diarrhea, fever, flu-like symptoms, or stomach cramps. Giardiasis, a small intestine infection caused by the parasite Giardia lamblia, can also lead to yellow stool or diarrhea. 1.
Causes
Diagnosis
- If you're seeing black stools and can trace it back to a food you ate, that's OK. However, a doctor should be consulted immediately if black stools cannot be traced back to a food, an iron supplement, or Pepto-Bismol. The black color alone is not enough to determine that it is in fact blood that is being passed in the stool. Therefore, a doctor will need to confirm whether there ac…
Symptoms
- Blood that comes from higher up in the digestive tract, such as the esophagus or stomach, may turn stool black, which is called \"melena.\" As the blood passes through the body and interacts with enzymes in the digestive process, the blood changes from red to black. This makes it a bit more difficult to see in or on the stool than if there is red blood. Red blood in or on the stool, call…
Risks
- If the black stool is accompanied by other symptoms such as feeling faint or actually fainting, dizziness, pain, or vomiting, especially if there's blood in it or it looks like coffee grounds, contacting a doctor immediately is important because it could be a medical emergency. For some people, there may already be a known risk factor for bleeding ...
Overview
- Ulcer. An ulcer is a type of sore on the lining of the stomach that can cause bleeding and result in melena. Contrary to popular belief, stomach ulcers are not usually caused by stress or spicy food (although these can aggravate an already existing ulcer). In fact, they are typically caused by an infection with a bacterium called Helicobacter pylori (H. pylori). Antibiotics are normally prescrib…
Signs and symptoms
- Esophageal Varices. Esophageal varices are dilated veins in the wall of the lower esophagus or upper stomach. When these veins rupture, they may cause bleeding, which can cause blood to appear in the stool or in vomit. Esophageal varices are a serious complication resulting from portal hypertension (high blood pressure) brought on by cirrhosis of the liver.
Clinical significance
- Mallory-Weiss Tear. This is a tear in the mucous membrane that joins the esophagus and the stomach. If this tear bleeds, it can result in melena. This condition is fairly rare (only occurring in four of 100,000 people) and may be caused by violent vomiting, coughing, or epileptic convulsions.