Conditions and Symptoms

Obstructive Sleep Apnea

Although most of us experience occasional pauses in breathing while we sleep, obstructive sleep apnea (OSA) can be a problem. Learn about obstructive sleep apnea, including what causes it and how we treat it in children.

Oligohydramnios

Oligohydramnios, low amniotic fluid, can cause health issues if not monitored and treated properly. Learn how our experts care for this condition.

Omphalocele

Omphalocele is an abdominal wall defect where organs protrude outside of a baby's body. Learn about treatment and outcomes for babies with this condition.

Osgood-Schlatter Disease

What is Osgood-Schlatter disease? Learn about Osgood-Schlatter disease (tibial tubercle apophysitis) treatment, signs and symptoms and diagnosis in teens.

Osteochondritis Dissecans

What is Osteochondritis Dissecans? Learn about osteochondritis dissecans treatment, symptoms and diagnosis in young athletes, as well as how to prevent it.

Osteogenesis Imperfecta

Osteogenesis Imperfecta (brittle bone disease) can affect children throughout their lives, and we care for them the entire way.

Osteosarcoma

Learn about pediatric Osteosarcoma in young adults. Know the diagnostic tests used and Osteosarcoma treatment options, such as surgery and chemotherapy.

Otitis Media (Ear Infections)

At Children’s Hospital Colorado, we treat ear infections and perform ear tube surgery to relieve frequent ear infections or fluid buildup in children. Learn more about ear infections and ear tube surgery.

Ovarian Cysts

Ovarian cysts are very common in girls and women of reproductive age and many are not problematic. Learn more about ovarian cysts, including types of cysts and how we diagnose and treat them.

Ovarian Torsion

Learn about the symptoms, diagnosis and treatment of ovarian torsion in children and teens.

Oxalosis

What is pediatric oxalosis? Learn about the signs, symptoms, tests, diagnosis and treatment of pediatric oxalosis.

Oxygen Need

When your child has low oxygen levels, they may need additional oxygen as treatment. Our breathing institute can provide pediatric oxygen therapy as needed.

Panic Attack

Panic Attack

Paratesticular Rhabdomyosarcoma

Learn about the signs, symptoms, diagnosis and treatment of paratesticular rhabdomyosarcoma in children. See how our specialists treat pediatric RMS.

Pectus Carinatum

What is pectus carinatum? Learn about the signs, symptoms, tests, diagnosis and treatment of pectus carinatum. Learn more about this condition.

Pectus Excavatum

What is pectus excavatum? Learn about causes, diagnosis and treatment options for pectus excavatum.

Pediatric Liver Tumors

Learn about the signs, symptoms, diagnosis and treatment of liver tumors in children. See how our specialists treat and diagnose pediatric liver tumors.

Pediatric Skeletal Dysplasia

Get information about the signs and symptoms of skeletal dysplasia, common types, how we diagnose it and treatment options.

Pelvic Avulsion Fracture

Learn about pediatric Pelvic Avulsion Fractures, including signs and symptoms, diagnostic tests used for this condition and treatment options available.