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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Clin Perinatol. 2014 Nov 27;42(1):167–x. doi: 10.1016/j.clp.2014.10.009

Table 5.

Recommended Dosing Regimen for Metronidazole

PMA
(weeks)
Loading Dose
(mg/kg)
Maintenance Dose
(mg/kg)
Dosing Interval
(hours)
< 34 15 7.5 12
34 – 40 8
> 40 6

PMA: postmenstrual age

Data from Cohen-Wolkowiez M, Ouellet D, Smith PB, et al. Population pharmacokinetics of metronidazole evaluated using scavenged samples from preterm infants. Antimicrob Agents Chemother 2012;56:1828–37.