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Ulcerative Colitis in Children What is ulcerative colitis in children? Ulcerative colitis is an inflammatory bowel disease (IBD). In this condition, the inner lining of your child’s large intestine (colon or bowel) and rectum gets inflamed. This inflammation often starts in the

Total Anomalous Pulmonary Venous Return (TAPVR) What is total anomalous pulmonary venous return (TAPVR)? Total anomalous pulmonary venous return (TAPVR) is a congenital heart defect. This means that your child is born with it. It happens as the baby’s heart develops during the

Stomach and Duodenal Ulcers in Children What is a stomach or duodenal ulcer in children? An ulcer is an open sore (lesion). It’s normally found on the skin or mucous membranes. A peptic ulcer is in the lining of the stomach or the first part of the small intestine (the duodenum)

Thyroid Conditions Click on the links below to learn more about these topics. Hyperthyroidism Hypothyroidism Postpartum Thyroiditis© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always

Medical Genetics: Types of Genetic Changes The human body has about 20,000 different genes in each cell. Genes are located on chromosomes, which are stick-shaped structures in the middle of the cell (nucleus). Each cell usually has 46 chromosomes grouped in 23 pairs. Each gene

Failure to Thrive (FTT) in Children What is failure to thrive in children? Failure to thrive (FTT) is slow physical development in a baby or child. It’s caused by a baby or child not having enough nutrition. FTT is a clinical observation, not a diagnosis. It is used to describe a

Vision Problems in Children Vision problems that may affect your child Eye disorders that affect vision can be divided into refractive and non-refractive errors. Refractive errors. These eye disorders cause blurred vision. They occur because the shape of the eye does not focus

Anemia in Children What is anemia in children? Anemia is a common problem in children. About 20% of children in the U.S. will be diagnosed with anemia at some point. A child who has anemia doesn't have enough red blood cells or hemoglobin. Hemoglobin is a type of protein that

Aplastic Anemia in Children What is aplastic anemia in children? Aplastic anemia is a serious condition in which the bone marrow doesn’t make enough new blood cells. With fewer blood cells, a child with aplastic anemia has: Less oxygen sent to organs, tissues, and cells from too

Sepsis in the Newborn What is newborn sepsis? Newborn sepsis is a severe infection in an infant younger than 28 days old. The infection is in your baby’s blood. But it may affect any body system or the whole body. What causes newborn sepsis? Newborn sepsis is most often caused by