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Let's see if we can figure out what's causing your diarrhea.
Select additional symptoms and we'll narrow your results.

What causes diarrhea? 87 possible conditions

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

81

Carcinoid Syndrome

Carcinoid syndrome occurs when a carcinoid tumor puts dangerous chemicals back into your bloodstream.

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82

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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83

Staphylococcus Aureus Food Poisoning

Staphylococcus aureus is a common bacterium found in the nose and on the skin of some people and animals. It is a common cause of food poisoning.

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84

Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells.

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85

Tropical Sprue

Tropical sprue makes it difficult for your body to absorb certain nutrients. Read about signs and treatment.

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86

AIDS

If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.

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87

Smallpox

Smallpox is an extremely contagious and deadly virus for which there is no known cure. This disease has been completely eradicated.

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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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