What causes gastrointestinal bleeding? 44 possible conditions

Viewing 21 - 40 of 44 results

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

21

Stomach Cancer (Gastric Adenocarcinoma)

Gastric cancer, also known as gastric adenocarcinoma, is a cancer that forms inside of the stomach. It is the most common type of stomach cancer worldwide, and most commonly affects men over the age of 40.

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22

Kaposi's Sarcoma

Kaposi's sarcoma (KS) is a cancerous tumor. It commonly appears in multiple locations on the skin and around the nose, mouth, genitals, and/or anus, but can also attack the internal organs. It's caused by a virus calle...

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23

Lactose Intolerance

Lactose intolerance is the inability to break down a type of natural sugar called lactose . Lactose is commonly found in dairy products, such as milk and yogurt. A person becomes lactose intolerant when his or her smal...

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24

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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25

Shigellosis

Shigellosis is a bacterial infection that affects the digestive system. Shigellosis is caused by a group of bacteria called Shigella. The Shigella bacterium is spread through contaminated water or food or throug...

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26

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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27

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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28

Ebola Virus and Disease

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

Ebola disease-also called Ebola hemorrhagic fever or Ebola fever-is a rare and often fatal illness that humans and nonhuman primates (such as monkeys and gorillas) can contract. There have been several outbreaks o...

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29

Anthrax

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

Anthrax is a serious illness caused by a microbe that lives in soil, called Bacillus anthracis. It became famous in 2001 when anthrax was used as a biological weapon and sent in the United States mail. The anthra...

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30

Yellow fever

Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. Characterized by a high fever and jaundice, it is most prevalent in certain parts of Africa and South America. The disease is no...

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31

Liver Cancer

Liver cancer causes destruction of liver cells and interferes with the ability of the liver to function normally. There are several types, but it is classified in general as being primary or secondary. Primary live...

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32

Esophagitis

Esophagitis is any inflammation or irritation of the esophagus (the tube that sends food from your throat down to your stomach). Common causes include reflux (stomach contents backing up into the esophagus), certai...

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33

Glomerulonephritis

The glomeruli are structures in your kidneys made up of tiny blood vessels. These knots of vessels help filter blood and remove excess fluid. If your glomeruli are damaged, your kidneys will stop longer work properly...

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34

Polymyalgia Rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes pain and stiffness in various parts of the body. Parts of the body commonly affected include the shoulders, neck, arms, thighs, and hips. This disorder i...

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35

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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36

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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37

Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder. It is caused by an immune reaction to gluten. Celiac disease is also known as: sprue nontropical sprue gluten intolerance gluten-sensitive enteropathy Gluten is a protein found i...

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38

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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39

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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40

Preeclampsia

Preeclampsia occurs when a pregnant woman has high blood pressure and protein in her urine at any point after her 20th week of pregnancy. This condition is also called toxemia or pregnancy-induced hypertension (PIH). I...

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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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