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Posterior Urethral Valves in Children What are posterior urethral valves in children? Posterior urethral valves are a problem with the urethra in a boy. The urethra is the tube that drains urine from the bladder to the outside of the body. Posterior urethral valves are small

Acquired Hypothyroidism in Children What is hypothyroidism in a child? Hypothyroidism is when the thyroid gland doesn't make enough thyroid hormone. The condition is more common in adults. But it’s the most common thyroid disorder in children. Not enough thyroid hormone leads to

Flat Head Syndrome (Deformational Plagiocephaly) What is deformational plagiocephaly? Flat head syndrome (deformational plagiocephaly) is when a baby’s head develops a lasting flat spot. The flat spot may be either on one side of the head or on the back of the head. This happens

Bacterial Endocarditis in Children What is bacterial endocarditis in children? Bacterial endocarditis is an infection of the inner lining of the heart (endocardium), or the heart valves. It doesn't occur in children very often. But when it does, it can cause serious heart damage

Menstrual Cramps (Dysmenorrhea) in Teens What are menstrual cramps in teens? Menstrual cramps are severe, painful cramps that occur during a period. There are two types: Primary. This type starts soon after a girl gets her first period. It's usually lifelong. But it may get

Meckel Diverticulum What is Meckel diverticulum? Meckel diverticulum is a small pouch in the lower wall of the small intestine. The normal intestine does not have a pouch. It’s near where the small and large intestines meet. The pouch is left over from when your child’s digestive

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

Precocious Puberty What is precocious puberty? Puberty that happens early is called precocious puberty. This means a child's physical signs of sexual maturity develop too soon. This includes breast growth, pubic hair, and voice changes. These are known as secondary sexual

Addison Disease in Children What is Addison disease in a child? Addison disease, also called primary adrenal insufficiency, is when the adrenal glands don't make enough of the "stress" hormone called cortisol. Cortisol controls metabolism, blocks inflammatory reactions, and

Pharyngitis and Tonsillitis in Children What are pharyngitis and tonsillitis in children? Pharyngitis is redness, pain, and swelling of the throat (pharynx). Tonsillitis is inflammation of the tonsils. The tonsils are a pair of tissue masses on both sides at the back of the