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Middle Ear Infection (Otitis Media) in Adults What is a middle ear infection? A middle ear infection occurs behind the eardrum. It's most often caused by a virus or bacteria. Most kids have at least one middle ear infection by the time they are 3 years old. Adults can also get

Fractures in Children What is a fracture in a child? A fracture is a partial or complete break in the bone. When a fracture happens, it is either open or closed. Open fracture. The bone breaks through the skin. Or the skin has a deep wound that exposes the bone. Closed fracture

Immunoglobulin A Deficiency What is IgA deficiency? Immunoglobulin A (IgA) is an antibody blood protein that's part of your immune system. Your body makes IgA and other types of antibodies to help fight off sickness. Having an IgA deficiency means that you have low levels of or

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

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

Hydrops Fetalis What is hydrops fetalis? Hydrops fetalis is severe swelling (edema) in an unborn baby or a newborn baby. It is a life-threatening problem. There are two types: immune and nonimmune. What causes hydrops fetalis? There are two types of hydrops fetalis. The type that

Osteomyelitis in Children What is acute osteomyelitis in children? Acute osteomyelitis is an infection in the bone. It develops over a short time, usually about 2 weeks. In children, osteomyelitis is more common in the long bones of the arms and legs; however, it can affect any

Mastitis What is mastitis? Mastitis is an inflammation of the breast tissue. Infections may or may not occur with mastitis. It often affects people who are breastfeeding. What causes mastitis? Mastitis may occur because of sore or cracked nipples, latch problems, plugged ducts

Generalized Anxiety Disorder (GAD) What is generalized anxiety disorder? Generalized anxiety disorder (GAD) is a mental health condition that causes you to worry a lot. The worry can feel out of your control. And you might have a hard time sleeping and feel irritable or on edge

Diphtheria What is diphtheria? Diphtheria is an illness caused by bacteria. There are two types: Respiratory diphtheria. This type affects the throat, nose, and tonsils. Skin (cutaneous) diphtheria. This type affects the skin. It was a common childhood disease in the past. A