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Psoriatic Arthritis in Children What is psoriatic arthritis in children? Psoriatic arthritis is a rare form of arthritis, or joint inflammation, that affects the skin and joints. It's an ongoing (chronic) autoimmune condition. It causes a red, scaly, itchy rash. It also causes

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

Growth Problems in Children What are growth problems in children? A growth problem means that a child falls either below or above the average range of growth for a child's age, sex, family history, or racial background. What causes growth problems in a child? Growth disorders can

Allergic Rhinitis in Children What is allergic rhinitis in children? Rhinitis is a reaction that happens in the eyes, nose, and throat. It occurs when allergens in the air set off the release of histamine and other chemicals in the body. Normally, allergens are harmless. But when

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

Tourette Syndrome in Children What is Tourette syndrome in children? Tourette syndrome (TS) is a neurological problem. It is also called Tourette disorder. The syndrome causes repeated tics. Tics are sudden, uncontrolled vocal sounds or muscle jerks. Symptoms of TS often start

Shingles What is shingles? Shingles (herpes zoster) is a common infection of the nerves. It's caused by a virus. Shingles set off a painful rash or small blisters on an area of skin. It can appear anywhere on the body, but it typically appears on only one side of the face or body

Necrotizing Enterocolitis in the Newborn What is necrotizing enterocolitis in the newborn? Necrotizing enterocolitis (NEC) is a serious, life-threatening illness in newborns. It happens when tissue in the mucus lining of the intestines gets inflamed. This inflammation damages and

Macrocephaly in Children What is macrocephaly in a child? Macrocephaly means large head size. In a child, it means when their head is measured, the results are higher than average on a standard growth chart. There are many reasons a baby or child may have a large head size. It