Conditions We Treat

Oppositional Defiant Disorder

Oppositional defiant disorder is a type of disruptive behavior disorder in which children frequently defy authority with hostility, leading to serious disturbances in their daily life.

Learn More
Oppositional Defiant Disorder (ODD) in Children

Oppositional defiant disorder (ODD) is a type of behavior disorder. It is mostly diagnosed in childhood. Children with ODD are uncooperative, defiant, and hostile toward peers, parents, teachers, and other authority figures.

Learn More
Optic Gliomas

Childhood optic pathway glioma is a slow-growing brain tumor that forms along the optic nerve. Optic gliomas are the most common type of brain tumor in children under the age of 10.

Learn More
Oral Health

Detailed information on oral health problems and teens

Learn More
Orthodontics/Braces for Children

Orthodontics is the dental specialty that focuses on the development, prevention, and correction of irregularities of the teeth, bite, and jaws.

Learn More
Orthopedic Evaluation Procedures for Children

Here you will find detailed information on evaluation procedures used to diagnosis orthopedic disorders in children.

Learn More
Orthopedic Problems

Detailed information on orthopedic problems and teens

Learn More
Osgood-Schlatter Disease in Children

Osgood-Schlatter disease is an overuse condition in children. It's when the tendon in a knee becomes injured and inflamed.

Learn More
Osgood-Schlatter's Disease

Osgood-Schlatter's Disease is one of the most common causes of knee pain in active children.

Learn More
Osteitis Pubis

Osteitis pubis (Aa-stee-ai-tuhs Pyoo buhs) is an overuse injury at the front of the hip at the symphysis pubis joint. The symphysis pubis connects 2 of the main bones of the pelvis. The symphysis pubis is made up of the pubic bones, cartilage, a joint capsule, and joint fluid.

Learn More
Osteochondritis Dissecans

Osteochondritis Dissecans (OCD) is a condition in which a piece of cartilage and the underlying bone separate.

Learn More
Osteochondritis Dissecans (OCD)

Osteochondritis Dissecans (OCD) is a condition that develops in the joints, most often in children and adolescents. OCD lesions can develop when the area of bone beneath the cartilage is injured. In children, they are most often found in the knee and elbow. They may also be found in the talus bone in the ankle.

Learn More
Helping Hands Patient Education Materials

Written and illustrated by medical, nursing and allied health professionals at Nationwide Children's Hospital, Helping Hand instructions are intended as a supplement to verbal instructions provided by a medical professional. The information is periodically reviewed and revised to reflect our current practice. However, Nationwide Children's Hospital is not responsible for any consequences resulting from the use or misuse of the information in the Helping Hands.