What causes abdominal pain and rectal bleeding? 19 possible conditions

Viewing 19 of 19 results

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

1

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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2

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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3

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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4

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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5

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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6

Colitis

Colitis is inflammation of the colon, often causing discomfort and pain in the abdomen, as well as other gastrointestinal symptoms. Colitis has many possible causes, which determine the type.

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7

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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8

Amebiasis

Amebiasis is a parasitic infection, common in tropical countries and caused by contaminated water. Symptoms can be severe and usually start one to four weeks after exposure.

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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

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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11

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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12

Stomach Ulcer

Stomach ulcers, also known as peptic ulcers, are painful sores that can be found in the stomach lining or small intestine. These ulcers occur when the thick layer of mucus that protects the stomach from digestive juice...

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13

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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14

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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15

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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16

Ischemic Colitis

Ischemic colitis (IC) is inflammation of the large intestine (colon). It occurs when for one reason or another, not enough blood flows to the colon. IC is most common among those over the age of 60, though it can occu...

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17

Leukemia

Leukemia is a cancer of the blood cells. There are several types of blood cells, including red blood cells (RBCs), white blood cells (WBCs), and platelets. Generally, leukemia refers to cancers of the WBCs. Two types o...

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18

Hookworm Infections

Hookworms are parasites. This means they live off other living things. Hookworms affect your lungs and small intestine. Humans contract hookworms through roundworm eggs and larvae found in dirt contaminated by feces...

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19

Chlorine Poisoning

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

Chlorine is a chemical that is used to prevent bacteria from growing in water, as well as for sanitation for sewage and industrial waste. It is also an ingredient in several household cleaning products.Chlorin...

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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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