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Sickle Cell Disease in Children What is sickle cell disease in children? Sickle cell disease (SCD) is a blood disorder that a child is born with. It's passed down through a parent’s genes. Children with SCD make an abnormal type of hemoglobin. This is the protein in red blood

Hyperparathyroidism in Children What is hyperparathyroidism in children? Hyperparathyroidism is when the parathyroid glands make too much parathyroid hormone. The condition is rare in children. The parathyroid glands are 4 tiny glands located on the back of the thyroid. The

Allergy Overview What are allergies? Allergies are due to a problem with the body's immune system. Most allergic reactions happen when the immune system reacts to a false alarm. Normally the immune system attacks harmful things, such as viruses or bacteria. But sometimes it

The pediatric endocrinology team at Phoenix Children’s is committed to helping children and their families manage endocrine disorders. When you make an appointment, our clinicians will talk with you about your child’s needs and determine if it should be handled via telehealth or

Precocious Puberty What is precocious puberty? Puberty that happens early is called precocious puberty. This means a child's physical signs of sexual maturity develop too soon. This includes breast growth, pubic hair, and voice changes. These are known as secondary sexual

Melanoma: Diagnosis If your healthcare provider thinks you might have melanoma, you will likely need certain exams and tests to be sure. Diagnosing melanoma starts with your healthcare provider asking you questions. They will ask you about your health history, your symptoms, risk

Neonatal Hypoxic-Ischemic Encephalopathy What is neonatal hypoxic-ischemic encephalopathy? Hypoxic-ischemic encephalopathy (HIE) is a type of brain damage. It’s caused by a lack of oxygen to the brain before or shortly after birth. It affects the central nervous system. Babies

HIV AIDS What is HIV/AIDS? The term AIDS refers to the most advanced stages of an infection caused by the human immunodeficiency virus (HIV). The current definition of AIDS includes: All HIV-infected people who have fewer than 200 CD4+ T cells (also called T4 cells). These cells

Kawasaki Disease in Children What is Kawasaki disease in children? Kawasaki disease is a rare illness that most commonly affects children ages 0 to 5, but it can sometimes affect children up to the age of 13. It is a type of vasculitis. Vasculitis means inflammation of the blood

Erectile Dysfunction (Impotence) What is erectile dysfunction? Erectile dysfunction (ED) or impotence means you can’t get an erection. It can also mean you aren't happy with the size or hardness of your erections, or how long your erections last. In the past, ED was thought to be