Conditions & Treatments

Narcolepsy is a sleep disorder characterized by excessive daytime sleepiness, cataplexy, sleep paralysis and hypnagogic hallucinations that usually occurs in adolescence or early adulthood. For more information or to schedule an appointment, call 314.454.5437 or 800.678.5437 or email us. ...

What is a neck abscess? A neck abscess is a collection of pus from an infection in spaces between the structures of the neck. As the amount of pus increases, the soft tissue spaces expand and push against the structures in the neck, such as ...

Necrotizing enterocolitis (NEC) is a serious illness in newborns. It happens when tissue in the large intestine (colon) gets inflamed. This inflammation damages and kills some tissue in your baby’s colon. ...

Neonatal abstinence syndrome is what happens when babies are exposed to drugs in the womb before birth. Babies can then go through drug withdrawal after birth. The syndrome most often applies to opioid medicines. ...

The Renal Program at St. Louis Children's Hospital provides comprehensive diagnosis and treatment for all congenital and acquired kidney diseases in children and adolescents. ...

What is nephrotic syndrome? Nephrotic syndrome is characterized by the following symptoms that result from changes that occur to the small, functional structures in the kidneys, such as: Very high levels of protein in the urine Low levels of protein in the blood due to ...

Neuroblastoma is a cancerous tumor. It grows in nerve tissue of babies and young children. The cancer cells grow in young nerve cells of a baby growing in the womb. These cells are called neuroblasts. It’s is the most common cancer in babies under age ...

The St. Louis Children’s Hospital Neurocritical Follow-up Program (NCFP) works with families to identify and address neurological, cognitive, educational and developmental concerns after an ICU stay. ...

When your child has a neurological emergency, you want immediate help from a team of experts to get the best outcome possible. The Pediatric Neurocritical Care Program (PNCP) at St. Louis Children’s Hospital provides this timely, specialized care to critically ill children with neurological disorders ...

Neurofibromatosis (NF) is a set of complex genetic conditions that can affect nearly every organ system in the body. NF causes tumors to grow on nerves throughout the body and in the brain. ...