Search Results

Actinic Keratosis What is actinic keratosis? Actinic keratosis (AK) is a rough, scaly spot or bump on sun-exposed skin. Most people with AK have more than one spot. AK is the most common precancer of the skin. Over time, it can develop into squamous cell skin cancer. Most

Hydrocephalus What is hydrocephalus in children? A baby with hydrocephalus has extra fluid in and around the brain. This fluid is called cerebrospinal fluid (CSF). Most CSF is normally found in fluid-filled areas (ventricles) inside the brain. Its purpose is to cushion and

Guillain-Barré Syndrome in Children What is Guillain-Barré syndrome in children? Guillain-Barré syndrome (GBS) is a short-term but often life-threatening disorder that affects the nerves in the body. GBS can cause muscle weakness, pain, and short-term paralysis of the muscles in

Hypoplastic Left Heart Syndrome (HLHS) in Children What is hypoplastic left heart syndrome in children? Hypoplastic left heart syndrome (HLHS) is a group of defects of the heart and large blood vessels. A child is born with this condition (congenital heart defect). It occurs when

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

Differences of Sex Development (DSD) When a child's sex is not clear at birth, the child has atypical genitalia (ambiguous genitalia). This means that the genitals don't seem to be clearly male or female. You may hear these differences called "DSDs," or sometimes "disorders of

Adenovirus Infection in Children What is an adenovirus infection in children? Adenoviruses are a group of viruses that cause a variety of infections, such as: Respiratory illness, such as a cold. Infection of the eye (conjunctivitis, also called pink eye). Croup. Bronchiolitis

Helicobacter Pylori in Children What is H. pylori (Helicobacter pylori) in children? H. pylori is a spiral-shaped germ (bacteria) that infects the stomach. It can damage the tissue in your child's stomach and the first part of the small intestine (duodenum). This can cause

Sexually Transmitted Infections in Teens What are sexually transmitted infections (STIs)? Sexually transmitted infections (STIs) are infectious diseases spread through sexual contact. About 50 out of 100 new STIs happen in people ages 15 to 24. Protecting your teen from STIs The

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