Conditions and Symptoms

Nightmares

What causes nightmares? Learn about child, baby and toddler nightmares, as well as the symptoms and treatment options available from our sleep team.

Nighttime Wetting

Learn about the causes of nighttime wetting, aka Nocturnal Enuresis, or bed wetting. Learn how to stop bed wetting and how Children's Colorado can help.

Noisy Breathing

Learn about the causes, symptoms, diagnosis & treatment of noisy breathing in babies & children. See how our breathing institute can help you today.

Non-Alcoholic Fatty Liver Disease (NAFLD)

Learn about the causes, symptoms, diagnosis and treatment of Non-Alcoholic Fatty Liver Disease (NAFLD) in children from our Pediatric Liver Center.

Non-Hodgkin Lymphoma in Children

Learn about causes, symptoms, diagnosis and treatment of non-Hodgkin lymphoma from our experts.

Nose Allergy (Hay Fever)

Does your child have nasal allergies? Learn more about the causes & symptoms of hay fever, allergic rhinitis, nasal allergies & pollen allergy in kids.

Nose Injury

Does your child have a nose injury? Learn more about nose injuries in kids, including nosebleeds, swollen nose, nasal septal hematoma & broken noses.

Nosebleed

Is your child's nose bleeding without being injured? Learn more about the causes & treatment for pediatric nosebleeds in toddlers, babies & children.

Obesity in Children

Childhood obesity, when a child is well over their ideal body weight, has many causes, such as excessive junk food. Read about treatment options.

Obstructive Sleep Apnea (OSA)

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.

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 (OCD) and Cartilage Injuries

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

Osteosarcoma in Children

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 in Girls and Teens

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 they are diagnosed and treated.

Ovarian Torsion in Children

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

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