Search Results

Nocturia What is nocturia? If you wake up often during the night with an urgent need to pee (urinate), you may have nocturia. This condition can affect anyone. But it is more likely to occur as you get older. About 50% of adults over age 50 have nocturia. Getting up once at night

Emphysema What is emphysema? Emphysema is a progressive chronic lung condition in which the tiny air sacs (alveoli) are damaged or destroyed. When this happens, it causes the tiny air sacs to rupture and create one big air pocket instead of many tiny ones. Air becomes trapped in

Neonatal Hypoxic-Ischemic Encephalopathy What is neonatal hypoxic-ischemic encephalopathy? Hypoxic-ischemic encephalopathy (HIE) is a type of brain damage. It’s caused by a lack of oxygen to the brain before or shortly after birth. It affects the central nervous system. Babies

Blood Clotting Disorders in Children What are blood-clotting disorders in children? Blood-clotting disorders are a group of conditions in which there is too much clotting. Blood clotting is a normal process. It stops you from bleeding too much when you have a cut or injury. Blood

Graves Disease in Children What is Graves disease in children? Graves disease is an autoimmune disease. The immune system normally protects the body from infection and disease with proteins called antibodies. But with an autoimmune disease, the antibodies attack the body's own

Phenylketonuria (PKU) in Children What is phenylketonuria (PKU) in children? Phenylketonuria (PKU) is a rare metabolic disorder. Children with PKU can’t process an amino acid called phenylalanine. Phenylalanine is in many common foods. It helps the body make protein. It's also

Craniopharyngioma in Children What is craniopharyngioma in children? Craniopharyngioma is a brain tumor that’s not cancer (benign). A brain tumor is an abnormal growth of tissue in the brain. The brain is part of the central nervous system (CNS). The CNS also includes the spinal

Anomalous Coronary Artery (ACA) in Children What is an ACA in a child? An anomalous coronary artery (ACA) is a heart defect. This is something your baby is born with (congenital). In ACA, the blood vessels that supply blood to your child's heart muscle aren't normal. In some

Acne in Children What is acne in a child? Acne is a disorder of the hair follicles and sebaceous glands. Hair follicles are the areas around the base or root of each hair. Sebaceous glands are the tiny glands that release oil (sebum) into the hair follicles. The sebum moistens

Allergies in Children What are allergies in children? Allergies are problems of the immune system. Most allergic reactions happen when the immune system reacts to a “false alarm.” Normally, the human body defends itself against harmful things, such as viruses or bacteria. But