Correlation between age and plasma level/dosage ratio for phenobarbital in infants and children

L. N. Rossi, L. M. Nino, N. Principi

Research output: Contribution to journalArticle

Abstract

One hundred twenty-three plasma concentration measurements of phenobarbital were obtained from 82 children (2 months - 6 1/2 years old) at steady-state conditions. The plasma level/dosage ratio has been found to have a highly significant correlation with the age of the patient both for dosage in mg/kg and in mg/m 2. The ratio increases with the increase in the age of the patient at a rate which is greater for dosages expressed on the basis of body weight. Moreover, at least for body weight related dosages, this increase is relatively high in the first year of life, becoming less marked after. Practical indications are given about the required dosage of phenobarbital in different groups of ages from 2 months up to 6 1/2 years. It is recommended however to regularly measure the plasma level of the drug in infants and children treated for long periods of time.

Original languageEnglish
Pages (from-to)431-434
Number of pages4
JournalActa Paediatrica Scandinavica
Volume68
Issue number3
Publication statusPublished - 1979

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Phenobarbital
Body Weight
Age Groups
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Correlation between age and plasma level/dosage ratio for phenobarbital in infants and children. / Rossi, L. N.; Nino, L. M.; Principi, N.

In: Acta Paediatrica Scandinavica, Vol. 68, No. 3, 1979, p. 431-434.

Research output: Contribution to journalArticle

Rossi, L. N. ; Nino, L. M. ; Principi, N. / Correlation between age and plasma level/dosage ratio for phenobarbital in infants and children. In: Acta Paediatrica Scandinavica. 1979 ; Vol. 68, No. 3. pp. 431-434.
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