What causes gastrointestinal bleeding and rectal bleeding? 25 possible conditions

Viewing 1 - 20 of 25 results

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

1

Colorectal (Colon) Cancer

Colorectal cancer is a cancer that originates in the rectum or colon. Both of these organs are located at the lower portion of your digestive system. The colon is at the end of the large intestine and the rectum is a...

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2

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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3

Ulcerative Colitis

In UC, the lining of the large intestine and the rectum become inflamed. This produces tiny sores or ulcers on the lining of the colon, often accompanied by diarrhea and cramping.

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4

Anal Cancer

Anal cancer is an uncommon cancer in the anal canal. It's easy to mistake symptoms of anal cancer for other conditions such as hemorrhoids, which could delay a diagnosis. Human papillomavirus is closely related to ana...

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5

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. They are curable but can become severe if not treated.

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6

Colonic (Colorectal) Polyps

Colonic polyps, also known as colorectal polyps, are growths that appear on the surface of your large intestine, or colon. You can have more than one polyp, and they may be flat or raised, benign or cancerous. Accordin...

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7

Hemorrhoids

Hemorrhoids, also called piles, are swollen veins located around the anus or in the lower rectum. Internal hemorrhoids develop within the anus; external hemorrhoids develop outside of the anus. Of the two forms...

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8

Shigellosis

The number one symptom of shigellosis, a bacterial infection, is diarrhea. Its symptoms vary in intensity, so you can have this infection and not know it.

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9

Diverticulitis

Diverticulitis occurs when the bulging sacs that usually appear in the lining of the large intestine get infected or inflamed. This usually causes abdominal tenderness on the lower left side, nausea, and diarrhea.

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10

Peptic Ulcer

Peptic ulcers are sores that develop in the lining of the stomach, esophagus, or rarely in small intestine. They are usually caused by H. pylori, excessive NSAID or alcohol usage, smoking, or stomach cancer.

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11

Gastritis

Gastritis is inflammation in the protective lining of the stomach. Acute gastritis involves sudden, severe inflammation, while chronic gastritis involves long-term inflammation that can last for years, if lef...

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12

Cirrhosis

Cirrhosis is severe scarring of the liver and poor liver function seen at the end of chronic liver disease. The scarring is most often caused by long-term exposure to toxins such as alcohol or viral infections. Th...

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13

Colitis

Colitis is inflammation of the colon. Other parts of your intestines, which includes, the colon, may also be affected. If you have colitis, you will feel discomfort and pain in your abdomen. You symptoms maybe be mil...

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14

Amebiasis

Amebiasis is a parasitic infection of the intestines caused by entamoeba histolytica. It is common in tropical areas of the world where sanitation is poor, allowing food and water supplies to be exposed to feca...

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15

Necrotizing Enterocolitis

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

Necrotizing enterocolitis (NEC) is inflammation and death of intestinal tissue. It may involve just the lining of the intestine or the entire thickness of the intestine. In severe cases, the intestine may even perforat...

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16

Proctitis

Proctitis occurs when the rectum becomes inflamed. The rectum is part of your lower digestive system. It is located between your colon and anus. Stool passes through the rectum as it exits the body. Proctitis can b...

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17

The Many Sides of Bacterial Gastroenteritis

If you have bacterial gastroenteritis, bacteria have caused an infection in your gut. This usually results in your stomach and intestines becoming inflamed, and you'll probably experience unpleasant symptoms such a...

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18

Christmas Disease (Hemophilia B)

Christmas disease - also called hemophilia B or factor IX hemophilia - is a rare genetic disorder in which your blood does not clot properly. If you have Christmas disease, your body produces little or no blood-clottin...

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19

E. coli Infection

E. coli is a type of bacteria that normally live in the intestines of people and animals. However, some types of E. coli, particularly E. coli 0157:H7, can cause intestinal infection. Symptoms of intestinal infectio...

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20

Low Platelet Count (Thrombocytopenia)

Blood is made up of several types of cells. These cells float in a liquid called plasma. The types of blood cells are: red blood cells white blood cells platelets, or thrombocytesWhen your skin is injured or broken...

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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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