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Pulmonary Atresia What is pulmonary atresia? Pulmonary atresia (PA) is a heart defect. It happens when the baby's heart doesn’t form as it should in the uterus. This can happen during the first 8 weeks of pregnancy. PA is a problem with the opening of the pulmonary valve. This

Benign Prostatic Hyperplasia (BPH) What is benign prostatic hyperplasia? Benign prostatic hyperplasia (BPH) is also called benign prostatic hypertrophy. It means that the prostate gland has become very large and may cause problems passing urine. BPH is not cancer. It's a common

Atopic Dermatitis in Children What is atopic dermatitis in children? Atopic dermatitis is a long-term (chronic) skin condition. It causes red, dry, itchy, scaly skin. It’s a very common condition in babies and children. It usually first appears between ages 3 and 6 months. What

Oppositional Defiant Disorder (ODD) in Children What is oppositional defiant disorder (ODD) in children? Oppositional defiant disorder (ODD) is a type of behavior disorder. It's mostly diagnosed in childhood. Children with ODD show a pattern of uncooperative, defiant, and hostile

Meningitis in Children What is meningitis in children? Meningitis is a swelling (inflammation) of the thin membranes that cover the brain and the spinal cord. These membranes are called the meninges. What causes meningitis in a child? Meningitis is most often caused by a

Achondroplasia in Children What is achondroplasia in a child? Achondroplasia is the most common type of rare genetic bone disorder. The strong, flexible tissue called cartilage is not made into bone as normal. This causes a series of signs, such as short arms and legs and a large

Appendicitis in Children What is appendicitis in children? Appendicitis is a painful swelling, inflammation, and infection of the appendix. It's a medical emergency because the appendix can burst or rupture. This is serious and can lead to more widespread infection. If not

Duchenne Muscular Dystrophy in Children What is Duchenne muscular dystrophy in children? Duchenne muscular dystrophy (DMD) is a genetic condition that weakens your child’s muscles. It is the most common muscular dystrophy, a kind of inherited muscle disease. DMD causes weakness

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

Vaginitis What is vaginitis? Vaginitis is any inflammation or infection of the vagina. It's common in women of all ages. About 1 in 3 women have vaginitis at some time in their lives. What causes vaginitis? Bacteria, yeast, viruses, parasites, and chemicals in creams or sprays