Macrophage activation syndrome (MAS) occurs when the immune system is overactivated and causes inflammation. Learn about the signs, causes and treatment of MAS.
Read about the causes and symptoms of Lennox-Gastaut syndrome epilepsy and how the condition is treated.
Learn about heart-related syndromes. A syndrome is a medical term for a collection of signs and symptoms that generally stem from a single cause.
Down syndrome is a genetic condition present at birth. Learn about the symptoms, complications and outlook for children with Down syndrome.
Marfan syndrome is a rare hereditary disorder of connective tissue. About 60% to 80% of people with this syndrome have heart problems.
Most children with Williams syndrome have a heart or blood vessel problem.
The effects of CHARGE syndrome differ from one child to the next. Find out how this genetic condition is caused and treated.
Read about the causes, symptoms, and treatments for Landau-Kleffner syndrome epilepsy, a rare condition in which children have difficulty with speech.
Systemic juvenile idiopathic arthritis (sJIA) is an autoinflammatory disease that causes swelling in the joints. Learn about symptoms and treatment of sJIA.
Noonan syndrome is a genetic condition. Learn about the symptoms and diagnosis of Noonan syndrome and the heart conditions associated with the condition.
Learn about the role that genetics plays in many heart conditions that afflict children.
Learn about multisystem inflammatory syndrome in children (MIS-C), a rare syndrome linked to a SARS-CoV-2 infection.
Insulin resistance often accompanies polycystic ovary syndrome (PCOS). Learn more about how PCOS can lead to the development of type 2 diabetes.
Learn about hypoplastic left heart syndrome (HLHS). This condition involves the left side of the heart being underdeveloped, and is extremely serious.
Children with Down syndrome may be at a higher risk for some medical conditions. Learn what these conditions are and how to manage them.
Nephrotic syndrome is one of the most common kidney diseases in children. It presents as a group of symptoms, which occur together in the body and include the presence of protein (albumin) in the urine and edema (swelling).
Learn about how to help children and teens with chronic pain cope during the COVID-19 pandemic, and which medications are used to treat chronic pain.
Find out the causes and symptoms of Rasmussen syndrome and how this form of epilepsy is treated.
22q11 deletion syndrome (22q11DS) is a genetic condition. Learn what causes it, how it's diagnosed and treated.
An overview of the causes, symptoms and complications of Turner syndrome.
Learn about flat head syndrome and how it is treated.
Polycystic ovaries syndrome (PCOS) is a disorder caused by hormonal imbalance. Learn about the effects of PCOS as well as possible treatment options.
Learn about single ventricle anomalies. This term refers to a group of severe conditions in which only one ventricle is of adequate size, such as hypoplastic left heart syndrome (HLHS).
Learn about respiratory distress syndrome, a common condition in very premature babies.
Learn about the genetic causes of 22q11 deletion syndrome, risk factors and confirming diagnosis.
