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Heart Transplant for Children
A heart transplant is a surgery to replace a diseased heart with a healthy one from an organ donor. This topic describes the transplant surgery for children and what to expect from it.
Heart-Healthy Eating for Children
This offers detailed information on heart-healthy eating for children.
Heat-Related Illnesses in Children and Teens (Heat Cramps, Heat Exhaustion, Heat Stroke)
Children and teens are at greater risk for heat-related illnesses for several reasons. They adjust more slowly to changes in air temperature. They also make more heat with activity and sweat less.
Helicobacter Pylori in Children
H. pylori (Helicobacter pylori) is a spiral-shaped bacteria that infects the stomach. It can damage the tissue in your child’s stomach and the first part of the small intestine. This can cause redness and swelling. It may also cause painful sores, called peptic ulcers, in the upper digestive tract.
HELLP Syndrome
HELLP syndrome is a rare but life-threatening condition in pregnancy. It causes red cells in the blood to break down. It also causes problems with the liver, bleeding, and blood pressure. It's often linked with preeclampsia and eclampsia. It often develops before delivery. But it may also occur after delivery.
Hemifacial Microsomia (HFM) in Children
Hemifacial microsomia (HFM) is a congenital disorder. This means that your child is born with it. In this condition, one side of your baby’s face is underdeveloped (hemi means half). HFM usually only affects one side of the face. Sometimes both sides may be affected.
Hemoglobin C Disease
Most people carry hemoglobin A in their red blood cells. Those who carry hemoglobin C, considered an abnormal variation, may develop hemoglobin C disease. This blood disorder develops because the red blood cells break down earlier than they should, leaving too few in the blood and leading to mild anemia.
Hemoglobin E Trait
Hemoglobin E trait is an inherited blood disorder. That means it's passed down through your parent’s genes. Read on to learn more.
Hemolytic Anemia in Children
Hemolytic anemia is a group of disorders in which the red blood cells are destroyed faster than the bone marrow can make them. Learn more about the causes, symptoms, diagnosis, and treatment.
Hemolytic Uremic Syndrome (HUS) in Children
Hemolytic uremic syndrome (HUS) is a rare condition in children that can lead to kidney failure. Learn more about this condition, including what causes it, who is at risk, what the symptoms are, and how it's diagnosed and treated.
Hepatitis in Children
Hepatitis is an inflammation of the liver. Learn about the causes, symptoms, diagnosis, risk factors, treatment, and more.
Hepatoblastoma in Children
Hepatoblastoma is a very rare cancer. It’s a tumor that starts in the liver. The cancer cells are similar to fetal liver cells. It usually affects children less than 3 to 4 years of age.