Sir.—We would like to commend Drs Harper and Strunk for their article "Techniques of Administration of Metered-Dose Aerosolized Drugs in Asthmatic Children" in the Journal (1981;135:218-221). Aerosolized medications are expected to become an even more important part of asthma management because of (1) the highly specific β2-adrenergic agents that are now available in this dosage form, (2) the recent introduction of metered-dose corticosteroids, and (3) the low incidence of systemic side effects secondary to these agents administered via this route. In addition to the article by Drs Harper and Strunk, Shim and Williams1 recently studied 30 hospitalized asthmatic patients using metered-dose inhalers for an average of 6.2 years. They found that only 53% of the patients (16/30) used the aerosol correctly. A small horn attached to the inhaler apparatus was useful in determining when the patient began to properly inhale the medication. We have recently completed
ROBINSON JD, IAFRATE RP. Aerosolized Drugs. Am J Dis Child. 1981;135(11):1079. doi:10.1001/archpedi.1981.02130350075029
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