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Explosive Asthma in the Infant and Young Child Under Two Years

Associate Clinical Professor of Pediatrics, University of Pennsylvania School of Medicine and Allergist. The Children’s Hospital of Philadelphia, 34th and Civic Center Boulevard, Philadelphia, Pa. 19104. I N CLINICAL APPEARANCE, bronchial asthma in childhood has many faces and appears to be most unique in patients under two years of age. For example, the onset is oftimes explosive and fulminating, imparting panic to both the parent and child, and occasionally bewilderment to the examining physician as the nature of the respiratory illness. It accounts for approximately 1.4 per cent of all hospital admissions to the Children’s Hospital of Philadelphia. It is the