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Premenstrual Dysphoric Disorder (PMDD) What is premenstrual dysphoric disorder (PMDD)? Premenstrual dysphoric disorder (PMDD) is a much more severe form of premenstrual syndrome (PMS). It may affect people of childbearing age. It’s a severe and chronic health condition that needs

Dyskeratosis Congenita in Children What is dyskeratosis congenita in children? Dyskeratosis congenita is a congenital disease. This means it's present at birth. It's a very rare condition. It affects the skin and nails. In its most severe form, it causes bone marrow failure. When

IgA Vasculitis in Children What is IgA vasculitis in children? IgA vasculitis is also called Henoch-Schönlein purpura (HSP). It's not contagious It involves swelling (inflammation) of small blood vessels. The swollen blood vessels leak into the skin, joints, intestines, and

Heart Murmurs in Children What are heart murmurs in children? Heart murmurs are extra or abnormal sounds made by turbulent blood flowing through the heart. Murmurs are graded on a scale of 1 to 6, based on how loud they are. One means a very faint murmur. Six means a murmur that

Cytomegalovirus (CMV) in Newborns What is CMV in newborns? CMV (cytomegalovirus) is a type of herpes virus. It's very common. It affects people of all ages and in all parts of the U.S. In most cases, CMV causes mild symptoms, or no symptoms at all. But it can cause serious

Testicular Torsion in Children What is testicular torsion in children? Testicular torsion is a painful twisting of the testicles and spermatic cord. The spermatic cord is a set of nerves, ducts, and blood vessels that leads from the groin to the testicles. Torsion can happen to 1

Undescended Testes in Children What are undescended testes in children? Undescended testes means that 1 or both of the male testes have not passed down (descended) into the scrotal sac. This is a condition seen in some newborn baby boys. Most cases affect only 1 teste. About 1 in

Toxic Epidermal Necrolysis in Children What is toxic epidermal necrolysis in children? Toxic epidermal necrolysis is a life-threatening skin disorder. It causes skin tissue to die, resulting in skin blistering and peeling. It's most often caused by a medicine reaction. A milder

Common Variable Immunodeficiency in Children What is common variable immunodeficiency in children? Common variable immunodeficiency (CVID) is an immunodeficiency problem that causes a child to have a low level of antibodies and a decreased responsiveness to some vaccines. This

Hypospadias in Children What is hypospadias in children? Hypospadias is a problem where the opening of the urethra is not at the tip of the penis. The urethra is the tube that carries urine from the bladder to the outside of the body. With hypospadias, the end of the tube is