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What causes blood in stool? 43 possible conditions

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


Chlorine Poisoning

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

Chlorine poisoning can occur when you swallow or inhale chlorine. It reacts with water inside and outside of the body to form dangerous compounds. It can cause digestive, respiratory, skin, and circulatory problems.

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Idiopathic Thrombocytopenic Purpura (ITP)

Idiopathic thrombocytopenic purpura (ITP) is a disorder where the blood doesn

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Hemolytic Uremic Syndrome

Hemolytic uremic syndrome (HUS) is a complex condition in which a buildup of broken-down blood cells leads to serious kidney damage. Infections of the gastrointestinal tract (your stomach and intestines) are the mos...

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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.