Health Library

Pyloric Stenosis

Pyloric stenosis is a problem that causes forceful vomiting. It affects babies from birth to 6 months of age. It can lead to dehydration. This condition is the second most common reason why newborns have surgery.

Rabies in Children

Rabies is a viral infection that attacks the nervous system. Learn about the causes, symptoms, treatment, and more.

Radiation Exposure from X-rays in Children

X-rays are a kind of imaging test that provides your healthcare provider with information about structures inside the body. These tests expose children to low doses of radiation.

Rashes Caused by Viruses

Detailed information on viral exanthems (rashes)

Recognizing Urologic or Gynecologic Problems

Vaginal bleeding and discharge are a normal part of a teen girl's menstrual cycle. If your daughter notices anything different or unusual, talk with your teen's healthcare provider.

Recovery Room/Post-Anesthesia Care Unit

Once surgery is done, your child will be brought to the recovery room, also called the post-anesthesia care unit (PACU).

Refractive Errors in Children

The most common refractive errors in children are nearsightedness, farsightedness, and astigmatism.

Relationship Development

The teen years bring a focus on social interactions and friendships. This includes same-gender friends, same-gender groups of friends, and cross-gender groups of friends. In addition, sexual maturity triggers teens' interest in dating and sexual relationships.

Renal Failure

Detailed information on renal failure, including symptoms, diagnosis, treatment, and diet

Respiratory Disorders in the Newborn

Detailed information on respiratory disorders in high-risk newborns

Respiratory Distress Syndrome (RDS)

Respiratory distress syndrome (RDS) is a common problem in premature babies. It causes babies to need extra oxygen and help with breathing.

Respiratory Syncytial Virus (RSV) in Children

RSV is a viral illness that causes symptoms such as trouble breathing. It’s the most common cause of inflammation of the small airways in the lungs (bronchiolitis) and pneumonia in babies.