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What causes rectal hemorrhage? 34 possible conditions

If you finish going to the bathroom and notice a small amount of bright-red to black blood in the toilet bowl, on toilet paper, or in your stool, you’re experiencing rectal bleeding.  Rectal bleeding has many causes and can occur as the result of a weaker... Read more

See a list of possible causes in order from the most common to the least.

1

Anal Fissure

An anal fissure is a small tear or crack in the lining of the anus. Learn about anal fissure symptoms, causes, treatment, and prevention.

Read more »

2

Ulcerative Colitis

Ulcerative colitis is an inflammatory bowel disease. Learn about its causes, symptoms, and treatment options.

Read more »

3

Anal Cancer

Anal cancer is a rare form of cancer that affects the tissues of the anus. Read more on what causes it and how to diagnose it.

Read more »

4

Colitis

Colitis is inflammation of the colon. Read about the different types and associated symptoms.

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5

Colorectal (Colon) Cancer

Colorectal cancer is a cancer that starts in the rectum or colon, located in the lower portion of the digestive system.

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6

Amebiasis

Amebiasis is a parasitic infection of the intestines commonly contracted in tropical regions.

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7

Necrotizing Enterocolitis

This condition is considered a medical emergency. Urgent care may be required.

Necrotizing enterocolitis occurs when the intestinal tissue becomes damaged and dies. Learn about its symptoms, causes, and how it's diagnosed.

Read more »

8

Diverticulitis

Diverticulitis occurs when the bulging sacs that appear in the lining of your large intestine, or colon, get acutely infected, or inflamed. Symptoms include sudden abdominal pain, nausea, vomiting, constipation, an...

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9

Crohn’s Disease

Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...

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10

Radiation Enteritis

Radiation enteritis is a common complication of radiation treatment near the abdomen. It occurs when radiation irritates your small intestine.

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11

Hemorrhoids

Hemorrhoids, also known as piles, are swollen veins located around the anus or in the lower rectum.

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12

Shigellosis

Shigellosis is a bacterial infection that affects the digestive system. The Shigella bacterium is spread through contact with contaminated feces.

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13

Proctitis

Proctitis is a condition in which the lining of the inner rectum becomes inflamed. The rectum is part of your lower digestive system.

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14

Colonic (Colorectal) Polyps

Colonic polyps are growths that appear on the surface of the colon. Learn about colonic polyp symptoms, causes, treatment, and prevention.

Read more »

15

The Many Sides of Bacterial Gastroenteritis

Bacterial infections are common causes of gastrointestinal infections. This type of infection is also called "food poisoning" and is often caused by poor hygiene or ingesting foods contaminated with bacteria.

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16

Constipation

According to the National Institute of Diabetes and Digestive and Kidney Diseases, constipation is one of the most commo...

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17

Christmas Disease (Hemophilia B)

Also called hemophilia B or factor IX hemophilia, Christmas disease is a rare genetic disorder in which your blood does not clot properly. A common symptom is unexplained or excessive bruising.

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18

Viral Gastroenteritis

Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.

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19

Stomach Ulcer

Stomach ulcers are painful sores in the stomach lining or small intestine. They occur when the mucus that protects the stomach from digestive juices is reduced.

Read more »

20

Peptic Ulcer

Peptic ulcers are painful sores in the lining of the stomach, esophagus, or small intestine. Peptic ulcers are a fairly common health problem.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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