Blood in stool | Symptom Checker
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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 in which the blood doesn't clot normally. This can cause excessive bruising and bleeding.

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Hemolytic Uremic Syndrome

Hemolytic uremic syndrome (HUS) occurs when an immune reaction causes low red blood cell levels, low platelet levels, and kidney injury.

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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.