Health Library

Hemolytic Disease of the Newborn (HDN)

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

Hemolytic Uremic Syndrome in Children

Hemolytic uremic syndrome (HUS) is a rare condition that can lead to kidney failure. The syndrome harms the small structures and vessels inside the kidneys. HUS causes red blood cells to clog the tiny blood vessels in the kidneys. It may cause damage to the kidney tissues.

Hemophilia

Hemophilia is an inherited bleeding disorder. People with hemophilia can’t stop bleeding because they don’t have enough clotting factor in their blood. Clotting factors are needed for blood to clot. Blood clots to prevent excessive bleeding.

Hepatitis B Virus (HBV) in Children

An infant or young child who contracts hepatitis B is at greater risk of staying infected with the virus and of having lifelong liver problems, such as scarring of the liver and liver cancer.

Hepatitis in Children

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

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.

Herpangina in Children

Herpangina is a very common illness in children. It causes small blisterlike bumps or sores (ulcers) in the mouth.

Herpes Simplex Virus (Cold Sores) in Children

Cold sores are small blisters around the mouth caused by the herpes simplex virus. Once a child is infected with the virus, the virus becomes inactive (dormant) for long periods of time. It can then become active at any time and cause cold sores.

High Blood Pressure in Children and Teens

Blood pressure is the force of the blood pushing against the artery walls. High blood pressure (hypertension) means that the pressure inside the arteries is too high. This higher pressure may harm the arteries and cause the heart to work harder.

High-Risk Newborn Blood Disorders

Detailed information on blood disorders that place a newborn at higher risk and require clinical care by a physician or other healthcare professional

HIV Home Care for a Child

Detailed information on HIV home care for your child

HIV/AIDS and Pregnancy

A mother with HIV can pass the virus to her baby during pregnancy, labor and delivery, and breastfeeding.