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Conditions and Treatments

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Abscess Drainage

Abscess drainage is performed using imaging guidance and a minimally invasive techniques to drain infected fluid. Learn more about this procedure.


Achondroplasia is the most common type of dwarfism, in which the child's arms and legs are short in proportion to body length. Learn more about this condition.


Acne is a disorder of the hair follicles and oil (sebaceous) glands that become clogged. This leads to pimples and cysts. Learn more about this condition.

Acute Flaccid Myelitis

Acute flaccid myelitis (AFM) is a rare – but serious – condition that affects the nervous system. 

Acute Glomerulonephritis

Glomerulonephritis is a type of kidney disease where the blood vessels become inflamed. Learn more about this condition.

Acute Lymphoblastic Leukemia (ALL)

Cancer specialists at Children’s National in Washington, D.C., provide expert treatment for children who have acute lymphoblastic leukemia. Learn more about this condition, including its symptoms, what causes and how we treat it.

Adenoid and Tonsil Hypertrophy

Enlarged adenoids may cause nasal obstruction, recurrent sinusitis, post nasal drip, sleep apnea, chronic runny nose, halitosis and even chronic cough. Large tonsils may cause sleep apnea at night and difficulty with swallowing during the day.


X-linked agammaglobulinemia is a rare genetic disease. It causes a weakened immune system and difficulty fighting infections. Learn more about this condition.

Age-Appropriate Hearing Milestones

Hearing problems may be suspected in children who are not responding to sounds or who are not developing their language skills appropriately. The following are some age-related guidelines that may help to decide if your child is having hearing problems.