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What causes black stools and joint pain? 1 possible condition

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


Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells. There are many different types of vasculitis; some are acute and last a short time, whil...

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