Children

Harlequin-type ichthyosis
Topic | Updated on June 13, 2017
A condition in which a newborn has hard, thick skin in diamond patterns.
Progeria
Disease | Updated on February 1, 2018
Progeria is an extremely rare, progressive genetic disorder that causes children to age rapidly, beginning in their first two years of life.
Stickler syndrome
Disease | Updated on September 17, 2019
This genetic disorder can cause serious vision, hearing and joint problems. Children may be born with a cleft palate and distinctive facial features.
Pectus carinatum
Disease | Updated on October 16, 2019
Depending on your age, bracing or surgery can help correct the abnormal protrusion of the breastbone known as pectus carinatum.
Triple X syndrome
Disease | Updated on January 18, 2019
Females with this genetic disorder have three X chromosomes rather than the usual two, which may result in developmental delays and learning disabilities.
Iron deficiency in children: Prevention tips for parents
Article | Updated on December 10, 2019
Learn how much iron your child needs for healthy development, which kids have a greater risk of iron deficiency and how to spot a problem.
Purpuric fever
Topic | Updated on October 11, 2019
A life-threatening childhood infection caused by bacteria.
Pectus excavatum
Disease | Updated on April 29, 2020
Pectus excavatum causes the breastbone to sink into the chest. This can affect heart and lung function. Surgery helps correct the deformity.
Vaccines: Keep your child's shots on track
Article | Updated on January 19, 2019
Vaccines protect children from serious and potentially fatal diseases. Know how to keep your child's vaccinations on track.
Severe combined immunodeficiency
Topic | Updated on June 13, 2017
A serious, inherited inability to fight even mild infections (bubble boy disease).
Choroid plexus carcinoma
Disease | Updated on August 18, 2020
This rare type of cancerous brain tumor occurs mainly in children under 2. Treatment usually involves surgery and radiation therapy.
Rheumatic fever
Disease | Updated on October 10, 2019
Learn about this serious complication of strep throat and scarlet fever and what you can do to prevent it.
Congenital heart defects in children
Disease | Updated on March 6, 2018
Learn about symptoms, tests and treatments for a problem in the structure of the heart (congenital heart defect) that is present in a child at birth.
Duchenne muscular dystrophy
Topic | Updated on June 13, 2017
An inherited disorder of progressive muscular weakness, typically in boys.
Fetal alcohol syndrome
Disease | Updated on January 10, 2018
Fetal alcohol syndrome results from alcohol exposure during the mother's pregnancy, causing irreversible brain damage and growth problems in the child.
Cytomegalovirus (CMV) infection
Disease | Updated on March 14, 2020
Understand the symptoms and treatment of this common viral infection that can cause health problems for babies and people who have weakened immunity.
Wolff-Parkinson-White (WPW) syndrome
Disease | Updated on February 12, 2020
In this fairly rare congenital condition, an extra electrical pathway between your heart's upper and lower chambers causes a rapid heartbeat. This can result in serious health problems.
Congenital mitral valve anomalies
Disease | Updated on August 2, 2018
Learn about these mitral valve defects present at birth that can cause a narrowed or leaky valve.
Trisomy
Topic | Updated on June 13, 2017
A genetic disorder in which a person has 3 copies of a chromosome instead of 2.
Exanthem
Topic | Updated on August 1, 2020
A widely spread out rash.
Brachial plexus injury
Disease | Updated on April 15, 2020
Learn about these nerve injuries that usually result from auto or motorcycle accidents and which procedures can help restore arm function.
Meningitis
Disease | Updated on October 1, 2020
Spot the signs and understand the treatment options for meningitis, an infection that has several possible causes.
Truncus arteriosus
Disease | Updated on December 8, 2020
Learn more about this rare heart defect that makes it difficult for the heart to pump the right amount of blood to the lungs and the body.
Vascular rings
Disease | Updated on December 30, 2020
Learn more about this condition in which malformations of the aortic arch encircle the windpipe and esophagus and can press against them.
Bronchiectasis
Topic | Updated on June 13, 2017
A condition in which the lungs' airways become damaged, making it hard to clear mucus.
Yaws
Topic | Updated on June 13, 2017
A chronic bacterial infection that affects the skin, bone, and cartilage.
Shivering
Topic | Updated on May 24, 2018
Involuntary trembling of the body caused by muscle contractions.
Hydrocele
Disease | Updated on December 5, 2020
Find out more about the symptoms, causes and possible treatments for this swelling in the scrotum.
Ichthyosis
Topic | Updated on July 31, 2020
A group of skin disorders characterized by dry, scaly, or thickened skin.
Inborn error of metabolism
Topic | Updated on June 13, 2017
A group of conditions in which the body can't properly convert food into energy.
Maple syrup urine disease
Topic | Updated on June 13, 2017
Condition that makes it hard to break down certain parts of protein (amino acids).
Myopathy
Topic | Updated on June 13, 2017
A disease of the muscles.
Epidermolysis bullosa
Disease | Updated on July 29, 2020
Learn about this group of inherited skin diseases that often shows up in infancy and cause fragile, blistering skin. Severe forms may be life-threatening.
Toxoplasmosis
Disease | Updated on October 13, 2020
Read about symptoms, causes, treatment and tips for prevention of this parasitic infection that for some people, can cause severe complications.
Heart valve disease
Disease | Updated on March 3, 2020
Learn about this condition in which one or more of your heart valves doesn't work properly.
Niemann-Pick
Disease | Updated on January 25, 2018
Niemann-Pick — Learn more about this inherited disease that mainly affects children, causing malfunction of the nerves, brain and other organs.
Heat rash
Disease | Updated on March 3, 2020
Learn more about the symptoms, causes and treatment of this heat-related problem of the skin that affects people of all ages.
Patent foramen ovale
Disease | Updated on March 8, 2018
Learn more about the causes and complications of this condition in which a hole in the heart doesn't close the way it should after birth.
Quinsy
Topic | Updated on June 13, 2017
A complication of tonsillitis in which the infection spreads behind the tonsils.
Jaundice
Topic | Updated on June 13, 2017
A yellow tint to the skin or eyes caused by an excess of bilirubin, a substance created when red blood cells break down.
Starvation
Topic | Updated on May 24, 2018
Long-term, severe deprivation of nutrition.
Deformity
Topic | Updated on May 26, 2018
Distortion or disfigurement of any part of the body.
Congenital adrenal hyperplasia
Disease | Updated on March 3, 2020
Congenital adrenal hyperplasia (CAH) is a group of inherited genetic conditions that limits the adrenal glands' ability to make certain vital hormones.
Partial anomalous pulmonary venous return
Disease | Updated on August 2, 2018
Learn more about this condition in which some of the pulmonary veins attach to other parts of the heart or veins instead of to the heart's left atrium.
Dwarfism
Disease | Updated on August 17, 2018
Very short stature of 4 feet 10 inches or less that results from a genetic or medical condition is considered dwarfism. Learn about causes and treatment.
Hepatitis B
Disease | Updated on September 4, 2020
Hepatitis B is a contagious liver infection caused by a virus. It may become long lasting. Know the symptoms, treatment and prevention of hepatitis B.
Horner syndrome
Disease | Updated on April 2, 2020
An interruption in the nerve signals from the brain to the eye causes Horner syndrome, affecting the eye and face on one side.
Cavernous malformations
Disease | Updated on May 18, 2018
Find out about diagnosis and treatment options, including surgery, for these abnormal blood vessel formations of the brain and spinal column.
Child abuse
Disease | Updated on October 5, 2018
Child abuse includes physical, sexual, emotional and medical abuse, as well as neglect. Learn about signs, risk factors, how to get help, and prevention.
Noonan syndrome
Disease | Updated on November 30, 2016
Noonan syndrome is a genetic disorder that may cause unusual facial features, short stature, heart defects, eye conditions and other health problems.
Turner syndrome
Disease | Updated on November 18, 2017
Turner syndrome affects only females as the result of a missing or partially missing X chromosome, causing a variety of medical and developmental problems.
Auditory processing disorder
Topic | Updated on June 13, 2017
A disorder affecting the ability to understand speech.
Osteogenesis imperfecta
Topic | Updated on June 13, 2017
A group of inherited disorders characterized by fragile bones that break easily.
Arteriovenous malformation
Disease | Updated on January 1, 2021
An AVM is a tangle of blood vessels that affects the flow of blood and oxygen. Treatment can help.
Congenital myopathies
Disease | Updated on March 5, 2020
These rare muscle diseases that cause weakness and poor muscle tone are present at birth and caused by genetic defects.
Sickle cell anemia
Topic | Updated on January 30, 2020
A group of disorders that cause red blood cells to become misshapen and break down.
Treacher Collins syndrome
Topic | Updated on June 13, 2017
An inherited condition in which some bones and tissues in the face aren't developed.
Hip dysplasia
Disease | Updated on March 20, 2020
In infancy, this condition often can be corrected with a soft brace. Older children and young adults might require surgery to correct the misalignment.
Ureteral obstruction
Disease | Updated on May 29, 2020
Understand what causes blockage of the tubes that carry urine from the kidneys to the bladder, tests you might need and how the condition can be treated.
Atrioventricular canal defect
Disease | Updated on July 14, 2018
Atrioventricular canal defect: Holes in the heart and defective valves interfere with normal heart function.
Lead poisoning
Disease | Updated on December 20, 2019
Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.
Albinism
Disease | Updated on April 7, 2018
In this group of inherited disorders, there is little or no production of melanin, a pigment that determines hair, skin and eye color and vision development.
Aneuploidy
Topic | Updated on June 13, 2017
One or more missing or extra chromosomes.
Otitis
Topic | Updated on December 31, 2019
An inflammation of the inner, middle or outer ear, often with infection.
Thrombophilia
Topic | Updated on June 13, 2017
A condition that increases a person's risk of forming clumped masses of blood (clots).
Chills
Topic | Updated on May 25, 2018
The feeling of being cold, though not necessarily in a cold environment, often accompanied by shivering.
Hepatitis A
Disease | Updated on August 28, 2020
Hepatitis A is a contagious liver infection caused by a virus. Learn more about its symptoms, treatment and prevention, including hepatitis A vaccine.
Hemophilia
Disease | Updated on August 7, 2020
In this inherited disorder, your blood lacks one of several clot-forming proteins. The result is prolonged bleeding, which can be life-threatening.
Klippel-Trenaunay syndrome
Disease | Updated on December 19, 2017
Klippel-Trenaunay syndrome is a rare birth (congenital) condition that affects the development of blood vessels, soft tissue and bones.
Tetralogy of Fallot
Disease | Updated on March 9, 2018
Learn more about a rare condition caused by a combination of four heart defects that are present at birth (congenital).
Astigmatism
Disease | Updated on September 4, 2019
Many people have astigmatism, an irregular curvature of the eye's surface that can cause blurred vision. Treatments are corrective lenses or laser surgery.
Diphtheria
Disease | Updated on January 1, 2020
This rare but serious bacterial infection can cause organ damage and breathing problems. This disease is often treatable but also preventable with a vaccine.
Metachromatic leukodystrophy
Disease | Updated on March 6, 2020
This rare genetic disorder causes fatty substances (sulfatides) to build up in your brain and nervous system, causing progressive loss of nerve function.
Angelman syndrome
Disease | Updated on February 4, 2020
Learn about this genetic disorder that causes developmental delays, problems with speech and other symptoms.
Enlarged heart
Disease | Updated on January 16, 2020
Learn more about the symptoms, diagnosis and treatment for this condition of the heart muscle.
Soy allergy
Disease | Updated on March 25, 2020
Soy allergy is a common food allergy that generally begins in infancy and often is outgrown in childhood.
48, XXXX syndrome
Topic | Updated on June 13, 2017
An extremely rare condition in which a female has two extra X chromosomes.
Cysticercosis
Topic | Updated on January 18, 2020
A tapeworm infection that affects the brain, muscle and other tissues.
Heterochromia iridum
Topic | Updated on June 13, 2017
A condition in which the colored part of the eye (iris) is multicolored.
Chiari malformation
Disease | Updated on September 12, 2019
Find out about the symptoms, causes, and treatment of this brain disorder in which brain tissue extends into your spinal canal.
Down syndrome
Disease | Updated on March 8, 2018
Down syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosome 21.
Total anomalous pulmonary venous return
Disease | Updated on August 2, 2018
Learn more about this condition in which the blood vessels that lead from the lungs (pulmonary veins) attach to the wrong places in the heart.
Farsightedness
Disease | Updated on June 16, 2020
Do you see distant objects clearly, but develop a blur as they come close? This vision problem, called farsightedness, is easily corrected with prescription lenses.
Anhidrosis
Disease | Updated on December 3, 2019
Anhidrosis — Comprehensive overview covers symptoms, causes, treatment of this inability to sweat normally.
Ebstein anomaly
Disease | Updated on February 29, 2020
In this rare heart defect, the tricuspid heart valve didn't form properly. This can affect the heart's ability to pump blood. Know the risks and symptoms.
Coarctation of the aorta
Disease | Updated on June 20, 2020
Learn more about the causes and treatment of this usually congenital heart condition that is treatable but requires lifelong follow-up.
Atrial septal defect (ASD)
Disease | Updated on December 20, 2019
This abnormal opening between the heart's upper pumping chambers is a common problem at birth, but can be treated.
Vaginal agenesis
Disease | Updated on November 18, 2017
Learn about this rare, congenital condition in which the vagina doesn't develop, and find out what treatments are available to reconstruct the vagina.
Transposition of the great arteries
Disease | Updated on August 11, 2018
Transposition of the great arteries is a heart defect that requires surgery to correct. Learn about symptoms and treatment of this rare condition.
Circumcision (male)
TestProcedure | Updated on March 31, 2020
Circumcision — the surgical removal of the skin covering the tip of the penis — can be a religious ritual, a family tradition or a matter of personal hygiene.
Mitochondrial disease
Topic | Updated on June 13, 2017
A disorder that occurs when structures that produce energy for a cell malfunction.
Carbon monoxide poisoning
Disease | Updated on October 16, 2019
Carbon monoxide is colorless, odorless, tasteless — and extremely dangerous. Don't count on detecting it. Instead, prevent it.
Hydronephrosis
Disease | Updated on January 3, 2020
Learn about this condition that occurs when urine doesn't drain properly from the upper urinary tract, leading to kidney swelling.
Ehlers-Danlos syndrome
Disease | Updated on October 16, 2020
Learn about these complex genetic disorders that cause problems with connective tissue in the skin, joints and blood vessel walls.
Eisenmenger syndrome
Disease | Updated on December 5, 2020
There's no cure for this serious complication of a heart defect, but treatments help control symptoms and improve quality of life.
Beta thalassemia
Topic | Updated on June 13, 2017
A type of inherited blood disorder.
Heart arrhythmia
Disease | Updated on August 9, 2020
Learn about common heart disorders that can cause your heart to beat too fast, too slow or irregularly.
Mitral valve disease
Disease | Updated on January 7, 2020
Learn more about diseases that affect the heart valve between left heart chambers.
Patau syndrome
Topic | Updated on June 13, 2017
A condition in which a person has an extra chromosome 13.
Polydactyly
Topic | Updated on June 13, 2017
A condition of having more than 5 digits on a hand or 5 toes on a foot.