Infection from bacteria or viruses most often causes this condition.
Disease
Salmonella infection
This common bacterial infection is spread through contaminated food or water and affects the intestinal tract. Learn more about prevention and treatment.
Disease
Cholera
This dangerous but treatable disease causes diarrhea and dehydration. Learn how to lower your risk.
Disease
Histoplasmosis
Learn more about the symptoms and treatment of this sometimes life-threatening disease caused by fungal spores in bird and bat droppings.
Disease
Congenital diaphragmatic hernia (CDH)
In CDH, a baby's diaphragm — the muscle that separates the chest from the abdomen — develops a hole called a hernia. Learn about treatment before birth.
Disease
Vascular dementia
Learn more about this stroke-related type of dementia that causes memory loss and reasoning problems. Prevention is possible, and good heart health is key.
Disease
Mitral valve regurgitation
Learn more about the symptoms and treatment of this most common heart valve condition, which causes blood to leak backward in the heart.
Disease
Mitral valve prolapse
This heart condition, also called Barlow syndrome, affects the valve separating the left heart chambers. Know the symptoms and when it’s treated.
Disease
Infant reflux
Learn more about this condition in which a baby spits up food or liquid. Most babies outgrow this common condition by the age of 18 months.
Disease
Common cold in babies
This viral infection causes a runny and stuffy nose. Find out how to ease symptoms and when to see a healthcare professional.
Disease
Lazy eye (amblyopia)
Abnormal visual development early in life can cause reduced vision in one eye, which often wanders inward or outward.
Disease
Sickle cell anemia
Learn about the symptoms, causes and treatment of this inherited blood disorder that, in the United States, is more common among Black people.