Per CDC:
KEY POINTS
Hemolytic uremic syndrome (HUS) is very serious complication of Shiga toxin-producing E. coli (STEC) infection.
It can lead to kidney failure, permanent health problems, and even death.
Seek medical care immediately if you notice signs of HUS.
What to look out for:
Signs that someone with diarrhea may be developing HUS include:
Urinating (peeing) less often or not at all
Losing pink color in cheeks and inside the lower eyelids
Unexplained bruising or tiny red spots on the skin
Having blood in the urine (pee)
Feeling very tired or irritable (cranky)
Decreased awareness (alertness)