Common Causes
- Bright red blood in your stools. ...
- Maroon-colored stools. ...
- Pale, oily and especially foul-smelling stools. ...
- Stools that are different than your typical bowel movements. ...
- Watery diarrhea after a camping trip. ...
- Mucus in the stool. ...
- Hard or infrequent stools. ...
- Loose, watery or frequent stools. ...
Related Conditions
The main causes of dark stool are:
- Upper gastrointestinal tract bleeding, which can be from an infection, medication, trauma (like a car accident), or lesions of the blood vessels
- Stomach/peptic ulcers that cause bleeding in the esophagus
- Acid reflux that causes bleeding and irritation in the esophagus
- Colon cancer
- Swallowing blood from a mouth injury or a nosebleed
When to see a doctor for blood in stool?
Black stool may be from dark foods and drinks (beets and dark beer), supplements like iron, or a sign of bleeding in the upper GI tract. If stool is black and has a bad odor, it is likely a sign of bleeding, from a peptic ulcer, gastritis, inflammation, colon polyps, or colon cancer.
What does the color of blood in my stool mean?
- Bright red blood usually means bleeding that’s low in your colon or rectum.
- Dark red or maroon blood can mean that you have bleeding higher in the colon or in the small bowel.
- Melena (dark and tar-like stool) often points to bleeding in the stomach, such as bleeding from ulcers.
What causes dark blood in stool?
When should I be concerned about blood in my stool?
What color of blood in stool is concerning?
Bright red blood usually means bleeding that's low in your colon or rectum. Dark red or maroon blood can mean that you have bleeding higher in the colon or in the small bowel. Melena (dark and tar-like stool) often points to bleeding in the stomach, such as bleeding from ulcers.
How does blood in stool look like?
Blood from your stool could look bright red, or it might be dark red or black. How the blood looks depends on where it is coming from. Spots of red blood on the toilet paper, drops in the toilet bowl, blood on the surface of your stool or in your underwear indicate the bleeding is coming from the anus or lower rectum.
How do you know if blood in stool is serious?
It is important to have a doctor evaluate any bleeding in the stool. Any details you can give about the bleeding will help your doctor locate the site of bleeding. For example, a black, tarry stool is likely an ulcer or other problem in the upper part of the digestive tract.
Is red blood in stool serious?
Rectal Bleeding 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.
What does hemorrhoid bleeding look like?
Blood from a hemorrhoid will look bright red on a piece of toilet paper. Internal, external, and thrombosed hemorrhoids can all bleed. In some cases, a thrombosed hemorrhoid can burst if it becomes too full. Read on to learn more about why this happens and what you can do to get relief from pain and discomfort.
Why does my poop have red dots?
Bright red streaks on toilet paper or in the toilet may be caused by hemorrhoids or anal fissures, especially when accompanied by anal pain or itching. Or an inflammation in the intestines, from inflammatory bowel disease.
What foods can cause blood in stool?
“Foods that cause your stool to look bloody or tarry black include red beets, cranberries, blueberries, red food coloring, and processed foods that contain food coloring,” Johane M. Filemon, MS, RDN, CLT, a gut health and anti-inflammatory specialist, told Healthline.
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 bright red blood after bowel movement?
Common benign (non-serious) causes — If you see a small amount of bright red blood on the toilet paper after wiping, on the outside of your stool, or in the toilet, this may be caused by hemorrhoids or an anal fissure. Both of these conditions are benign, and there are treatments that can help.
Is bright red blood in stool something to worry about?
True, blood in the stool may be caused by a variety of conditions or diseases, including cancer, that could develop into serious health issues if left untreated. But the blood may also be a product of more benign conditions, such as hemorrhoids, which, while still unwanted, are often less serious than other conditions.
When should I go to doctor for blood in stool?
If you are experiencing bloody stools or bleeding from a bowel movement, you may need to see a doctor. Seek immediate medical attention if you are experiencing fever, excessive weakness, vomiting, or seeing large amounts of blood in your stool.
What does blood in stool mean?
Blood in the stool typically presents as blood-red or maroonish and represents a bleed somewhere in the gastrointestinal (GI) tract from mouth to anus. If blood is coming from the upper GI tract and is being digested, it can also take on a black, tar-like appearance called melena. 1 .
Why does my stool have blood in it?
Bloody stool can be caused by many things. Some of these causes are annoying yet pretty harmless like hemorrhoids or anal fissures; other causes are a lot more concerning—like cancer. If you or a loved one complains of blood in the stool, it's important that you/they see a physician.
What is the name of the disease that causes blood in the stool?
Diverticular Disease. There are two types of diverticular disease—diverticulosis and diverticulitis. 16 Both can present with pain and may result in blood in the stool. Diverticulosis occurs when pouches or diverticula (singular diverticulum) form in the colon.
What percentage of ischemic colitis is in the elderly?
Ischemic Colitis. Ninety percent of all cases of ischemic colitis are in the elderly. The condition can be acute or chronic. Ischemic injury results when intestinal blood flow to the colon is inadequate (think blood clot or atherosclerosis).
What is anal fissure?
Anal fissures are cracks in the skin that are visualized after stretching the skin of the anus. Fortunately, anal fissures usually heal on their own. 6 Stool softening measures and application of petroleum jelly or some other cream can help with pain and discomfort. Overview and Treatment of Anal Fissures.
What causes a lower GI bleed?
As any surgeon can attest to, the most common cause of a lower GI bleed is an upper GI bleed. When you bleed copiously from an anatomical structure proximal to the ligament of Treitz, a ligament that suspends the distal duodenum, the blood can appear undigested in your stool (rapid transit). 2
What is the most common type of bowel disease?
Inflammatory bowel disease (IBD) is a general term for autoimmune disease that causes inflammation of the bowels. The two most common types of IBD are Crohn's disease and ulcerative colitis. 13
What color is blood in stool?
The color of blood in the stool can be: bright red, maroon, yellow, white, green, black and tarry, or. not visible to the naked eye (occult). Causes of blood in stool range from harmless, annoying conditions of the gastrointestinal tract such as hemorrhoids or anal fissures, to serious conditions such as cancer.
How to detect blood in stool?
Blood in the stool is detected only by testing the stool for blood (fecal occult blood testing) in the laboratory. Occult blood in the stool has many of the same causes as rectal bleeding, and may be associated with the same symptoms as more active bleeding.
How to stop bleeding during colonoscopy?
Colonoscopy is more than just a diagnostic tool; it can also be used to stop bleeding by removing (snaring) bleeding polyps, by cauterizing (sealing with electrical current) bleeding angiodysplasias or postpolypectomy ulcers and, occasionally, by cauterizing actively bleeding blood vessels inside diverticula. Cauterization during colonoscopy is usually accomplished by inserting a long cauterizing probe through the colonoscope. Colonoscopy with cauterization has been used to stop bleeding in many patients with bleeding from diverticula or angiodysplasias, thereby decreasing their need for blood transfusions, shortening their hospital stays, and avoiding surgery.
What does it mean when your stool is red?
Blood in the stool that is red or maroon is most commonly is referred to as rectal bleeding.
How to determine origin of rectal bleeding?
The origin of rectal bleeding is determined by history and physical examination, anoscopy, flexible sigmoidoscopy, colonoscopy, radionuclide scans, visceral angiograms, upper gastrointestinal endoscopy or capsule endoscopy of the small intestine, and blood tests.
What is rectal bleeding?
Rectal bleeding is the passage of blood through the anus. The bleeding may result in bright red blood in the stool as well as maroon colored or black stool. The bleeding also may be occult (not visible with the human eye).
What causes red blood in the right colon?
Rarely, massive bleeding from the right colon, from the small intestine, or from ulcers of the stomach or duodenum can cause rapid transit of the blood through the gastrointestinal tract and result in bright red rectal bleeding.
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.
What does it mean when you have blood in your stool?
Sometimes, you can have blood in your stool that’s not visible. This is called occult bleeding. This can be a sign of bleeding inside your digestive tract. It can also signal a more serious condition like an inflammation disease in your intestines or cancer.
What does it mean when you see blood in your colon?
The color of blood you see can actually indicate where the bleeding might be coming from. Bright red blood usually means bleeding that’s low in your colon or rectum. Dark red or maroon blood can mean that you have bleeding higher in the colon or in the small bowel.
What is the symptom of a bleed on the toilet?
Rectal Bleeding. Rectal bleeding is a symptom of conditions like hemorrhoids, anal fissures, inflammatory bowel disease (IBD), ulcers and colorectal cancer. Typically, you notice rectal bleeding on toilet paper, in the water of the toilet bowl or in your stool. It’s important to contact your healthcare provider if you experience rectal bleeding ...
How do you know if you have rectal bleeding?
You might see or experience rectal bleeding in a few different ways, including: Seeing blood on your toilet paper when you wipe. Seeing blood in the bowl of the toilet when you are using the bathroom — the water in the bowl might look like it’s been dyed red.
What is the name of the condition where you develop patches of swelling in the digestive tract?
Crohn’s disease is a condition where you develop patches of swelling in the digestive tract. In colitis, the swelling is mainly in the large bowel. People with IBD might experience fever, diarrhea, abdominal pain and cramping, intestinal blockages, and rectal bleeding.
What tests can help with rectal bleeding?
Tests to help diagnose the cause of rectal bleeding can include: A physical exam of the rectum and anus. A colonoscopy.
Why is my blood darker in the toilet?
The blood gets darker the longer it’s in contact with these chemicals. If your bleeding is higher up in the digestive tract , it might appear darker in the toilet. If you see bright red blood, that can mean it’s lower in your digestive tract or is moving through your body very quickly.
What color is a stool?
All of the following may indicate rectal bleeding: Dark blood in the stool. Bright-red blood mixed with or covering the stool. Black or tarry ( resembling the color of tar) stool.
How to diagnose blood in stool?
In order to diagnose the cause of blood in the stool, your doctor may perform one or more of the following tests: Blood test. Stool sample. Colonoscopy, where a camera is inserted into the colon. Endoscopy, where a camera is inserted through the mouth or rectum. Capsule endoscopy, where a camera is swallowed.
Why is my stool red?
Several conditions can cause rectal bleeding, such as hemorrhoids, colon cancer, and polyps. Not all red or black stool indicates the presence of blood. Certain foods can affect the color of your stool. Tomatoes, beets, and cranberries can all make stool look red, as can red food dye.
What causes red stools?
Blueberries, black licorice, and dark leafy vegetables can all turn stool black. Many causes of rectal bleeding will either resolve on their own or can be treated by a doctor.
What causes a swollen rectum?
Hemorrhoids are swollen blood vessels in the anus or rectum. They are the most common cause of rectal bleeding and are often related to constipation, pregnancy, heavy lifting, obesity, and diarrhea. They typically do not produce pain.
What causes a bleed in the esophagus?
Several other disorders may cause rectal bleeding, including: 1 Peptic ulcers (sores in the lining of the esophagus) 2 Crohn’s disease (chronic inflammation of the gastrointestinal tract) 3 Ulcerative colitis (inflammation of the large intestine) 4 Gastritis ( inflammation of the stomach lining) 5 Diverticulitis (inflammation or infection of small pouches in your intestines) 6 Intestinal infection
How to stop bleeding in stool?
The most common method of treatment is endoscopy.
What does it mean when blood passes in your stool?
All blood passed in the stool, around the stool or after the stool is abnormal and represents a problem of varying severity. So to answer the question, you are just looking for blood. And if you see it, you need to report it to your family physician for investigation. It’s just that simple.
Why does blood ooze out of the bowel?
Because these polyps and eventual cancers are growing on the inner lining of the bowel, they ooze or bleed into the bowel and that blood then becomes incorporated with the stool as it passes through. With that background, one can begin to imagine just how blood in the stool might look if it is coming from a colorectal cancer.
What happens if you have cancer in your colon?
If the cancer is further along in the colon or even in the rectum, the blood will still be red smeared along the stool as it hits the toilet or the blood will be mixed in with the stool but still bright red in appearance.
Why is it important to look at your poop?
Keeping an eye on your stools is an important step in being aware of colorectal cancer and identifying early signs of the disease. The topic of what one’s stool says about their health is very extensive ...
What side of the colon is cancer?
If the cancer is in the right side of the colon (the beginning of the colon and furthest from the anus) then the blood might be undetectable by the eye by the time it reaches the toilet. If there is lots of blood coming from a cancer in the right colon, it may no longer look like red blood by the time it reaches the toilet ...
Can you see blood coming out of the toilet?
Finally, if the cancer that is bleeding is in the rectum, just before the exit, you might see only blood coming into the toilet either prior to or after the stool as it is bleeding directly out of the anus rather than mixing with stool .
Can you see blood in the toilet?
This test checks for occult (hidden) blood in the stool as a screening test for colorectal cancer — it can find blood that isn’t visible to the eye when you look in the toilet. The test isn’t specific — many other things can lead to hidden blood in the stool and the test can’t tell which it is causing the blood.
What does it mean when you have blood in your stool?
Bloody stool can indicate something minimal, such as a hemorrhoid, or something much more worrisome, such as an inflammatory bowel disease or even cancer.
Where does red blood come from?
Bright red blood typically comes from a source lower down in the gastrointestinal tract (colon or rectum) and can point to hemorrhoids, fissures, colon cancer, ulcerative colitis, diverticulosis, or a Crohn’s disease flare, Dr. McMahon states.
What are the symptoms of colon cancer?
Warning signs of late-stage colon cancer, aside from bloody stool, may include persistent abdominal pain; unexplained weight-loss; pencil-like stool; changes in overall bowel habits; anemia from chronic blood loss (typically due to occult/hidden blood in the stool); chest pain; and shortness of breath upon exertion.
Can cranberries cause GI bleeding?
He says that some sources suggest that the consumption of certain foods–such as blueberries or cranberries–as well as certain medications, can also mimic a blood-like color. The bottom line is there are countless causes for GI/rectal bleeding, says Dr. McMahon.
Is colon cancer silent?
Unfortunately, colon cancer, like most cancers, develops silently. It’s rare to have symptoms until it’s metastasized, or spread, adds Dr. McMahon. “In my 13-plus years of experience, I can actually remember the specific patients who’ve had cancer present with symptoms; that’s how rare it is.”.