Table 2.
GA (weeks) |
PNA (days) |
Maintenance Dose (mg/kg) |
Dosing Interval (hours) |
---|---|---|---|
≤ 34 | ≤ 7 | 50 | 12 |
≥ 8 and ≤ 28 | 75 | 12 | |
> 34 | ≤ 28 | 50 | 8 |
GA: gestational age at birth; PNA: postnatal age
Data from Tremoulet A, Le J, Poindexter B, et al. Characterization of the Population Pharmacokinetics of Ampicillin in Neonates Using an Opportunistic Study Design. Antimicrob Agents Chemother 2014;58:3013–20.