Types of Pediatric Blood Disorders

At OSF HealthCare Children’s Hospital of Illinois Cancer and Blood Disorders Institute, we care for children with a variety of blood disorders that affect how blood cells function and develop. These conditions can range from anemia and clotting problems to more complex diseases like sickle cell disease or bleeding disorders. Understanding the specific blood disorder your child has helps our specialized team create a personalized care plan focused on managing symptoms, preventing complications, and supporting your child’s overall health and well-being.

Blood Disorders

Aplastic Anemia

Aplastic anemia happens when the bone marrow, which normally makes blood cells, slows down or stops working. This can lead to fewer white blood cells, red blood cells, and platelets. As a result, kids with aplastic anemia may be at higher risk for infections, feeling tired from anemia or bleeding easily.

Resources: Aplastic Anemia Handbook | AA MDS International Foundation

Hereditary Spherocytosis

Hereditary spherocytosis is a condition that causes red blood cells to break down too soon, leading to hemolytic anemia. Symptoms vary but can include pale skin, feeling tired, gallstones, an enlarged spleen and yellowing of the eyes or skin, also called jaundice. We work closely with families to manage symptoms and improve quality of life.

Resources: Genetic and Rare Diseases Information Center

Immune Thrombocytopenic Purpura

Immune thrombocytopenic purpura (ITP) happens when the immune system mistakenly lowers the number of platelets, the cells that help blood clot. When platelet counts are low, children may bruise easily, bleed more than usual, or develop tiny red spots under the skin or inside the mouth (petechiae). Our team monitors these signs closely to keep your child safe.

Iron Deficiency Anemia

Iron deficiency anemia is the most common type of anemia and happens when the body doesn’t have enough iron to make healthy red blood cells, which carry oxygen to the body’s tissues. This can make children feel tired, weak or pale. We’ll guide you through diagnosis and treatment to help your child regain strength.

Neutropenia

Neutropenia means having fewer neutrophils, a type of white blood cell that fights off certain infections, especially bacterial infections. Children with neutropenia are more vulnerable to getting sick, so we take extra care to prevent and treat infections quickly.

Thalassemia

Thalassemia is a group of inherited blood disorders where the body doesn’t make enough of one of the proteins in hemoglobin, the part of red blood cells that carries oxygen. This leads to anemia starting early in life. Children may experience fatigue, weakness, and pale skin. There are two main types:

  • Alpha thalassemia – People whose hemoglobin does not produce enough alpha protein have alpha thalassemia. It is commonly found in Africa, the Middle East, India, Southeast Asia, southern China and occasionally the Mediterranean region.
  • Beta thalassemia – People whose hemoglobin does not produce enough beta protein have beta thalassemia. It is found in people of Mediterranean descent, such as Italians and Greeks, and is also found in the Arabian Peninsula, Iran, Africa, Southeast Asia and southern China.

Resources: Thalassemia.org

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