⚠ COVID-19 INFORMATION: Vaccine Information, Other Resources 

Browse Alphabetically

Rapid-onset Obesity with Hypothalamic Dysfunction, Hypoventilation & Autonomic Dysregulation (ROHHAD)

A large weight gain in a short amount of time, accompanied by the dysfunction of the hypothalamus; a very rare disorder.

RASopathy Program

RASopathies are a group of genetic conditions so named because they are caused by problems in the RAS pathway . In living things, a pathway is a series of actions between chemical messengers that can lead to a specific change or response in that cell. The RAS pathway provides a way for the cells of our body to communicate that is essential to...

Receptive & Expressive Language Difficulties

Indicated by problems understanding what people say, following spoken directions, organizing thoughts, putting words into sentences, or finding the right words.

Reconstructive Microsurgery Program

Lurie Children’s Reconstructive Microsurgery Program treats deformities resulting from trauma, tumors, burns or congenital conditions.

Reconstructive Urology

Lurie Children’s nationally ranked Pediatric Reconstructive Urology Program treats congenital abnormalities of the kidney, bladder and genitalia.

Recurrent Clostridium Difficile

One of several serious infections commonly transmitted in health care environments, with those most at risk being the elderly, those taking antibiotics, and those immunosuppressed.

Recurrent Infections

Typically sinusitis (sinus infections), otitis (ear infections), or bronchitis (lung infections).

Recurrent Pneumothorax

Occurring when air gets between the lung and the inside of the chest wall, causing the lung itself to collapse, tending to occur in young adults, especially those tall and thin.

Refractive Errors

Conditions which affect vision and may require corrective lenses for correction or improvement, including astigmatism, hyperopia and myopia.

Rehabilitative Services

Lurie Children's specializes in pediatric rehabilitation for children with speech, hearing and movement conditions.

Renal Insufficiency

Also called renal failure, kidney failure, end-stage renal disease, a condition in which kidneys no longer function correctly.

Repetitive Shoulder Strain Injuries

An injury caused by a task that is done repeatedly, such as prolonged manual wheelchair use, causing pain and injury of the upper extremities, especially the shoulders.