Potential medication dosing errors in outpatient pediatrics

Heather A. McPhillips, Christopher J. Stille, David Smith, Julia Hecht, John Pearson, John Stull, Kristin DeBellis, Susan Andrade, Marlene Miller, Rainu Kaushal, Jerry Gurwitz, Robert L. Davis

Research output: Contribution to journalArticlepeer-review

97 Scopus citations

Abstract

Objective: To determine the prevalence of potential dosing errors of medication dispensed to children for 22 common medications. Study design: Using automated pharmacy data from 3 health maintenance organizations (HMOs), we randomly selected up to 120 children with a new dispensing prescription for each drug of interest, giving 1933 study subjects. Errors were defined as potential overdoses or potential underdoses. Error rate in 2 HMOs that use paper prescriptions was compared with 1 HMO that uses an electronic prescription writer. Results: Approximately 15% of children were dispensed a medication with a potential dosing error: 8% were potential overdoses and 7% were potential underdoses. Among children weighing <35 kg, only 67% of doses were dispensed within recommended dosing ranges, and more than 1% were dispensed at more than twice the recommended maximum dose. Analgesics were most likely to be potentially overdosed (15%), whereas antiepileptics were most likely potentially underdosed (20%). Potential error rates were not lower at the site with an electronic prescription writer. Conclusions: Potential medication dosing errors occur frequently in outpatient pediatrics. Studies on the clinical impact of these potential errors and effective error prevention strategies are needed.

Original languageEnglish (US)
Pages (from-to)761-767
Number of pages7
JournalJournal of Pediatrics
Volume147
Issue number6
DOIs
StatePublished - Dec 2005
Externally publishedYes

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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