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Disease

Bicuspid aortic valve

This condition, present at birth, affects the valve between the lower left heart chamber and the body's main artery. Know the symptoms and treatment.
Disease

Retinoblastoma

Learn about the symptoms, causes and treatments for this eye cancer that occurs in young children.
Disease

Blocked tear duct

Watery, irritated eyes may happen when your tears can't drain. Learn about this common eye condition that affects newborns and, sometimes, adults.
Disease

Malignant hyperthermia

This rare genetic disorder triggers a severe reaction to certain anesthesia drugs, causing rigid muscles, high fever, fast heart rate and rapid breathing.
Disease

Asthma attack

Learn how to recognize when you need to use quick-relief treatment or get emergency care.
Disease

Kawasaki disease

Learn more about this condition that primarily affects young children and causes inflammation in the walls of the arteries throughout the body.
Disease

Congenital heart disease in adults

A heart problem present at birth may not cause symptoms until adulthood. Learn how adult congenital heart disease is treated and what complications may occur.
Disease

X-linked agammaglobulinemia

This genetic disease weakens the immune system, mainly in males, and leads to having infections often.
Disease

Fever

Medications can lower a fever, but sometimes it's better left untreated. Fever may play a role in helping your body fight off infections.
Disease

Systemic mastocytosis

Excess mast cells can build up in skin, bone and organs. When triggered, the cells release substances that can cause allergic reactions and organ damage.
Disease

Drug allergy

Learn which medicines are more likely to cause an allergic reaction, what symptoms look like and what treatments can calm such a reaction.
Disease

Heart murmurs

An irregular heart sound may be harmless or worrisome. Know the causes of heart murmurs and when treatment is needed.

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