Conditions & Treatments

The hemolytic anemias are a group of disorders in which the red blood cells are destroyed faster than the bone marrow can make them. The term for destruction of red blood cells is hemolysis. ...

Hemolytic disease of the newborn (HDN) is a blood problem in newborn babies. It occurs when your baby's red blood cells break down at a fast rate. ...

Hemolytic uremic syndrome (HUS) occurs when damaged red blood cells block the kidney's filtering system which can lead to kidney failure in children. ...

Hemophagocytic lymphohistiocytosis (HLH) is a rare disease that usually occurs in infants and young children. Children usually inherit the disease. ...

Hemophilia is an inherited bleeding disorder. Children with hemophilia can’t stop bleeding because they don’t have enough clotting factor in their blood. There are three main forms of hemophilia including Hemophilia A, Hemophilia B, and Hemophilia C. ...

Hemorrhagic strokes occur when a blood vessel that supplies blood to the brain ruptures and bleeds. When an artery bleeds into the brain, brain cells and tissues downstream may not receive oxygen and nutrients. ...

Henoch-Schönlein purpura (HSP) is a condition that involves swelling (inflammation) of small blood vessels. The swollen blood vessels leak into the skin, joints, intestines, and kidneys. ...

Hepatitis is an inflammation of the liver that can damage and destroy liver cells. ...

What is hepatitis B (HBV)? Hepatitis B is a serious infection of the liver caused by the hepatitis B virus. It can be mild and short-term, or it may be long-term and lead to chronic liver disease and liver failure in infants and young children ...

Hepatoblastoma is a very rare cancer. It’s a tumor that starts in the liver. It usually affects children less than 3 to 4 years of age. It usually doesn’t spread (metastasize) to other areas of the body. ...