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High Blood Pressure/Hypertension What is high blood pressure? Blood pressure is the force of the blood pushing against the artery walls. The force is made with each heartbeat as blood is pumped from the heart into the blood vessels. This is called systolic blood pressure. Blood

Peyronie Disease What is Peyronie disease? Peyronie disease causes hard, flat plaque to form under the skin on the tissue of the penis. The plaque often starts as an inflammation that may turn into scar tissue. The plaque builds up inside the penis in the thick elastic membrane

Male Infertility What is male infertility? Infertility is a disease of the reproductive system. It makes a person unable to have children. It can affect a man, a woman, or both. Male infertility means that a man has a problem with his reproductive system. It means you can't start

Phoenix Children’s is the only hospital in Arizona to offer a dedicated Celiac Disease Clinic for children and teens. Celiac disease is an autoimmune condition that requires a strict gluten-free diet to avoid symptoms and other complications. The experts in the Celiac Disease

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 (temporary) paralysis of the

Chronic Liver Disease/Cirrhosis What is cirrhosis? Cirrhosis is when scar tissue replaces healthy liver tissue. This stops the liver from working normally. Cirrhosis is a long-term (chronic) liver disease. The damage to your liver builds up over time. The liver is your body’s

Appendicitis What is appendicitis? Appendicitis is a medical emergency. It happens when your appendix becomes sore, swollen, and diseased. The appendix is a thin tube that is joined to the large intestine. It sits in the lower right part of your belly (abdomen). The appendix is a

Claudication What is claudication? Claudication is pain in your thigh, calf, or buttocks that happens when you walk. It can make you limp. It may be a symptom of peripheral artery disease (PAD). This is when narrowed or blocked arteries reduce the blood flow to your legs. At

Necrotizing Enterocolitis in the Newborn What is necrotizing enterocolitis in the newborn? Necrotizing enterocolitis (NEC) is a serious, life-threatening illness in newborns. It happens when tissue in the large intestine (colon) gets inflamed. This inflammation damages and kills