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Polycystic Kidney Disease What is polycystic kidney disease (PKD)? Polycystic kidney disease (PKD) is a rare genetic disorder. It causes many cysts filled with fluid to grow in the kidneys. PKD cysts can impair how the kidneys work. It can lead to kidney failure. PKD is the

Tonsillitis What is tonsillitis? Tonsillitis means that your tonsils are inflamed. Your tonsils are large, fleshy glands at the back of your throat. These glands make antibodies that help fight infection. What causes tonsillitis? Both bacteria and viruses can cause tonsillitis

Slipped Capital Femoral Epiphysis in Children What is slipped capital femoral epiphysis in children? Slipped capital femoral epiphysis (SCFE) is a condition of the hip joint that affects children. In SCFE, the ball of the thighbone (femoral head) slips off the neck of the

Tennis Elbow in Children What is tennis elbow in a child? Tennis elbow (lateral epicondylitis) is a painful issue caused by overuse. The tendons that join the forearm muscles to the outside part of the elbow get inflamed or damaged. This is usually caused by repeated use of those

Hyperbilirubinemia in a Newborn What is hyperbilirubinemia in a newborn? Hyperbilirubinemia happens when there is too much bilirubin in your baby's blood. Bilirubin is made by the breakdown of red blood cells. It's hard for babies to get rid of bilirubin at first. It can build up

Severe Combined Immunodeficiency (SCID) in Children What is SCID in children? SCID is a very rare disease. It causes a child to have a very weak immune system (immunodeficiency). As a result, the child is unable to fight off even mild infections. The disease is also known as the

Immune System Disorders Your immune system is your body’s defense against infections and other harmful invaders. Without it, you would constantly get sick from germs, such as bacteria or viruses. Your immune system is made up of special cells, tissues, and organs that work

Knee Pain and Problems Brief anatomy of the knee The knee is a vulnerable joint. It bears a great deal of stress from everyday activities, such as lifting and kneeling, and from high-impact activities, such as jogging and aerobics. The knee is formed by these parts: Tibia. This

Rubella (German Measles) What is rubella? Rubella is sometimes called German measles. It's a viral infection. It usually causes a mild illness in children. Adults have a slightly more severe illness. But the virus can cause serious birth defects in pregnant people. A vaccine is

Atrial Fibrillation and Stroke Prevention What’s the connection between atrial fibrillation and stroke prevention? Atrial fibrillation (AFib) increases the risk for stroke. So stroke prevention is an important part of treatment for atrial fibrillation. AFib is a type of abnormal