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By Mayo Clinic staffHemolytic uremic syndrome (HUS) is an uncommon, but serious condition that can cause life-threatening kidney failure. Hemolytic uremic syndrome most often affects children and older adults.
In children, most cases of hemolytic uremic syndrome develop after several days of diarrhea — often bloody — due to infection with a specific strain of Escherichia coli (E. coli). Adults also may develop hemolytic uremic syndrome after an E. coli infection, but more often the cause is obscure or even unknown.
Though hemolytic uremic syndrome is a serious condition, getting timely and appropriate treatment leads to a full recovery for most people — especially young children.
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