The signs and symptoms of HUS may vary, depending on the cause. Most cases of HUS are caused by infection with certain strains of E. coli bacteria, which first affect the digestive tract. The initial signs and symptoms of this form of HUS may include: HUS HUS HUS  Diarrhea, which is often bloody Abdominal pain, cramping or bloating Vomiting Fever  All forms of HUS — no matter the cause — damage the blood vessels. This damage causes red blood cells to break down (anemia), blood clots to form in the blood vessels and kidney damage. Signs and symptoms of these changes include: HUS  Pale coloring, including loss of pink color in cheeks and inside the lower eyelids Extreme fatigue Shortness of breath Easy bruising or unexplained bruises Unusual bleeding, such as bleeding from the nose and mouth Decreased urination or blood in the urine Swelling (edema) of the legs, feet or ankles, and less often in the face, hands, feet or entire body Confusion, seizures or stroke High blood pressure   When to see a doctor See your doctor immediately if you or your child experiences bloody diarrhea or several days of diarrhea followed by:  Decreased urine output Swelling Unexplained bruises Unusual bleeding Extreme fatigue  Seek emergency care if you or your child doesn't urinate for 12 hours or more.
signs symptoms hus may vary  depending cause  cases hus caused infection strains e  coli bacteria  first affect digestive tract  initial signs symptoms form hus may include: hus hus hus  diarrhea  bloody abdominal pain  cramping bloating vomiting fever  forms hus — matter cause — damage blood vessels  damage causes red blood cells break down (anemia)  blood clots form blood vessels kidney damage  signs symptoms changes include: hus  pale coloring  including loss pink color cheeks inside lower eyelids extreme fatigue shortness breath easy bruising unexplained bruises unusual bleeding  bleeding nose mouth decreased urination blood urine swelling (edema) legs  feet ankles  face  hands  feet entire body confusion  seizures stroke high blood pressure   see doctor see doctor child experiences bloody diarrhea days diarrhea followed by:  decreased urine output swelling unexplained bruises unusual bleeding extreme fatigue  seek emergency care child doesn't urinate 12 hours more
hemolytic uremic syndrome