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Urinary Incontinence (Enuresis) in Children What is enuresis in children? Urinary incontinence (enuresis) is the loss of bladder control. It is also called enuresis (say "en-yer-EE-sus"). In children younger than age 3, it's normal to not have full bladder control. As children

Long QT Syndrome What is long QT syndrome? Long QT syndrome (LQTS) is a disease that can cause a dangerous rapid heart rate and irregular rhythm involving the bottom pumping chambers of the heart (ventricles). The heart has both muscular and electrical components. Electricity

COVID-19 What is COVID-19? COVID-19 is an infectious disease that most often causes a respiratory illness. You may hear it called COVID or coronavirus disease 2019. It's caused by a virus called SARS-CoV-2. There are many types of coronaviruses. They are a common cause of

Congenital Limb Difference in Children What is a congenital limb difference in children? A congenital limb difference is when an arm or leg doesn’t form normally as a baby grows in the uterus. The baby is born with the difference. What causes a congenital limb difference in a

Femoral Anteversion in Children What is femoral anteversion in children? Femoral anteversion is an inward twisting of the thighbone (femur). The femur is the bone that is located between the hip and the knee. This health problem causes a child’s knees and feet to turn inward. The

Vulvitis What is vulvitis? Vulvitis is an inflammation of the vulva, the soft folds of skin outside the vagina. It’s a symptom that can result from an array of diseases. This can include infections, injuries, allergies, or irritants. Because it can be challenging to find the

Rett Syndrome in Children What is Rett syndrome in children? Rett syndrome is a rare genetic developmental and neurological disorder. It almost exclusively affects girls. Children with this disorder often develop normally for their first 6 to 18 months. After that, they start to

Diarrhea in Children What is diarrhea in children? Diarrhea is when bowel movements (stools) are loose and watery. Your child may also need to go to the bathroom more often. Diarrhea is a common problem. It may last several days and go away on its own. If diarrhea lasts more than

Respiratory Syncytial Virus (RSV) in Children What is respiratory syncytial virus (RSV) in children? RSV is a viral illness that causes symptoms such as trouble breathing. It's the most common cause of inflammation of the small airways in the lungs (bronchiolitis) and pneumonia

Guillain-Barré Syndrome in Children What is Guillain-Barré syndrome in children? Guillain-Barré syndrome (GBS) is a short-term but often life-threatening disorder that affects the nerves in the body. GBS can cause muscle weakness, pain, and short-term paralysis of the muscles in