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Can you have blood in stool but not when you wipe?

Blood caused by conditions affecting other parts of the GI tract may be dark red or even black. This blood may only appear mixed in with the stool and may not be visible on the toilet paper.

healthline.com - Blood in Stool: Causes, When Wiping, Diagnosis, Treatment - Healthline

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Why is there blood in my stool? Blood in the stool is the result of bleeding in your gastrointestinal (GI) tract. The GI tract includes organs like the stomach, small intestine, and large intestine (colon). Seeing blood in your stool can be alarming. You may have heard blood in your stool can be a sign of cancer, but more often, bleeding is a symptom of a less serious condition. Many conditions can cause it, including a bad case of diarrhea or constipation. Symptoms of an emergency Seek emergency attention if you’re bleeding a lot. Also see a doctor if you’re experiencing dizziness, weakness, and confusion alongside bleeding. Blood when wiping (but not in the stool) Blood when wiping is generally caused by bleeding in the lower GI tract, which includes the rectum and anus. This blood typically appears bright red on toilet paper. Conditions that can cause blood when wiping include hemorrhoids and anal fissures. Blood caused by conditions affecting other parts of the GI tract may be dark red or even black. This blood may only appear mixed in with the stool and may not be visible on the toilet paper. What causes bright red blood in stool? Bright red blood in your stool usually indicates bleeding in your lower colon. It can indicate a mild or serious condition. Colorectal cancer is one of the most serious causes, but it only makes up about 3.4 percent of rectal bleeding cases. Possible causes of rectal bleeding include: constipation

hemorrhoids

anal fissure

Crohn’s disease

ulcerative colitis

colorectal cancer

some infections like colitis or diverticulitis

Diagnosis of blood in the stool A doctor will decide what tests you need based on your symptoms and medical history. These tests may include a rectal exam or fecal occult blood test to look for abnormalities or blood in your colon. The rectal exam is a physical exam (which requires the doctor to touch you). The fecal occult blood test requires you to provide a stool sample. Blood work, which includes a complete blood count, may be performed to see whether there’s evidence of anemia, inflammation, or infection. Anemia causes low hemoglobin, while inflammation and infection cause an elevated white blood cell count. Stool samples, including stool cultures, can also be used to check for infection and determine the severity of disease. Imaging studies, like an abdominal CT scan (with or without intravenous contrast), are commonly performed in people with blood in the stool. The scans can sometimes show the source of the bleed. Your doctor may also perform an endoscopy to look for a blockage or abnormal growth. An endoscopy is a procedure that involves inserting a long tube with a camera on the end called an endoscope into your mouth or anus. Types of endoscopy include: Colonoscopy. During a colonoscopy, a long tube with a camera is inserted into your anus to examine your colon. During a colonoscopy, a long tube with a camera is inserted into your anus to examine your colon. Flexible sigmoidoscopy. A flexible sigmoidoscopy is similar to a colonoscopy but only examines your lower colon.

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A flexible sigmoidoscopy is similar to a colonoscopy but only examines your lower colon. Esophagogastroduodenoscopy (EGD). During an EGD test, a doctor puts a long tube with a camera down your throat to examine your esophagus, stomach, and upper part of your small intestines. During an EGD test, a doctor puts a long tube with a camera down your throat to examine your esophagus, stomach, and upper part of your small intestines. Enteroscopy. During an enteroscopy, a doctor inserts a long tube with a camera into your anus or mouth. When the camera reaches the area your doctor wants to examine, a balloon inflates to allow for a better view. Another procedure your doctor may want to perform is a gastrointestinal bleeding scan, a form of radionuclide scanning. This procedure involves injecting a small amount of the radioactive metal technetium-99m into your blood. A special gamma camera takes pictures of your digestive tract to search for bleeding areas.

healthline.com - Blood in Stool: Causes, When Wiping, Diagnosis, Treatment - Healthline

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