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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

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

Lymphadenopathy in Children What is lymphadenopathy in children? Lymphadenopathy means swelling of the lymph nodes or glands. These are the bean-shaped glands in the neck, armpits, groin, chest, and abdomen. These glands act as filters for lymphatic fluid. This fluid contains

Shingles What is shingles? Shingles (herpes zoster) is a common infection of the nerves. It is 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

Latex Allergy What is a latex allergy? Natural rubber latex is a milky fluid found in rubber trees. There is a protein in the fluid that can cause allergic reactions in some people. Common products made using this natural rubber latex include gloves, condoms, rubber bands, and

Sunburn What is sunburn? Sunburn is a red, painful skin reaction that occurs after too much exposure to ultraviolet (UV) light. UV light is a type of radiation in sunlight. The symptoms of a sunburn most often appear a few hours after sun exposure. They are often worst at 6 to 36

Obstructive Sleep Apnea in Children What is obstructive sleep apnea in children? Obstructive sleep apnea is when a child briefly stops breathing while sleeping. It happens because of a blockage in the upper airway. This is the passages through the nose and mouth to the windpipe

Obsessive-Compulsive Disorder (OCD) in Children What is obsessive-compulsive disorder in children? Obsessive-compulsive disorder (OCD) is a type of anxiety disorder. Obsessions are recurring thoughts. Compulsions are recurring behaviors. A child with OCD has obsessive thoughts

Retinopathy of Prematurity What is retinopathy of prematurity? Retinopathy of prematurity is an eye problem that can happen to premature babies. The retina lines the back of the eye. It receives light as it comes through the pupil. From there, the optic nerve sends signals to the

Fibromyalgia What is fibromyalgia? Fibromyalgia is a condition that causes pain in muscles and soft tissues all over the body. It is an ongoing (chronic) condition. It can affect your neck, shoulders, back, chest, hips, buttocks, arms, and legs. The pain may be worse in the