Analysis of the reliability of formulas for calculating antibacterial doses in pediatric dentistry
DOI:
https://doi.org/10.5335/rfo.v24i1.8730Keywords:
Antibacterials, Child, Pharmacology, Pediatric dentistry, Drug prescriptionAbstract
Objective: This cross-sectional study evaluated the reliability of formulas for calculating the dose of the main antibacterials in children of different ages and weight, and the gold standard were the dosages provided in package inserts. Subjects and method: Forty-five children aged 3, 6, and 9 years constituted three independent groups. The anthropometric data were obtained through the analysis of medical records of the Child Dentistry Clinic of Faculdade Integrada de Pernambuco, Brazil. The dosages were calculated using the formulas established from parameters of weight, age, and body surface. The antibacterials selected for this analysis were amoxicillin, amoxicillin with potassium clavulanate, clindamycin, clarithromycin, erythromycin, and azithromycin. The data were subjected to parametric analysis of variance. In order to verify whether there was a difference between the dosages established in the formulas and the dose established in the package insert (gold standard), Tukey’s post-hoc test was applied. The statistical tests were performed with a 5% margin of error. Results: No formula was valid for all antibacterials when compared to the standard dose established in package inserts. The results showed greater variability in the group of younger children, which may be considered a clinical risk. Conclusion: The pediatric dosages of antibacterials obtained in formulas are not reliable for the age groups analyzed and therefore should not be used for drug prescription purposes.
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