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Pediatric Allergic and Immunologic Disorders

Allergy and asthma are among the most common health problems, with more than 50 million people afflicted with asthma, seasonal hay fever, or other allergy-related conditions each year.

Allergies can affect anyone, regardless of age, gender, race, or socioeconomic class. Generally, allergies are more common in children, however, a first-time occurrence can happen at any age, or recur after many years of remission. There is a tendency for allergies to occur in families, although the exact genetic factors that cause it are not yet understood.

  • Food allergies are seen in 8 percent of children under age 6.
  • According to the Allergy and Asthma Foundation of America, if only one parent has allergies, chances are one in three that each child will have an allergy. If both parents have allergies, it is much more likely (7 in 10) that their children will have allergies.

According to the latest available statistics from the American Academy of Allergy, Asthma, and Immunology and the National Institute of Allergy and Infectious Diseases:

  • Allergic problems in the United States are the 6th leading common cause of chronic disease.
  • Approximately 20.3 million people in the United States have been diagnosed with asthma, with at least 6.3 million of them children under the age of 18.
  • Asthma is the most common cause of childhood hospitalizations under the age of 15.
  • Treatment
  • Treatment of allergies
  • What is avoidance?
  • What is immunotherapy (allergy shots)?
  • How is immunotherapy administered?
  • How often are immunotherapy injections necessary?
  • Symptom improvement and immunotherapy
  • Are there side effects to immunotherapy?
  • Medication as treatment for allergy
  • What are antihistamines?
  • What are decongestants?
Children's Team

Children's Team


Hemant Sharma

Hemant Sharma

Chief, Division of Allergy and Immunology
Director, Food Allergy Program


IMPACT DC Asthma Clinic

IMPACT DC Asthma Clinic is an award-winning pediatric asthma program in Washington, D.C., dedicated to improving asthma care and outcomes for children through clinical care, education, research and advocacy.

Allergy and Immunology

At Children’s National, children affected by allergies and complex immunologic disorders benefit from our specialists’ expertise, because our doctors treat children and only children with these conditions.