Paediatric

Meningitis (under 1 month)

This antibiotic choice is for babies admitted through the Emergency Department or on the paediatric wards. For babies on the neonatal unit / postnatal wards, refer to the neonatal guidelines

Preferred

amoxicillin iv (see dosing table below)

AND

cefotaxime 50mg/kg bolus (Max 4g) iv initially in ED then EITHER:

  • continue cefotaxime (see dosing table below) OR
  • change to ceftriaxone (see dosing table below) once stable on the ward AND if 41 weeks or over corrected gestational age AND NOT receiving iv calcium.

Consider need for aciclovir

 

cefotaxime iv dosing

Age cefotaxime iv dose
Up to 7 days old 50mg/kg every 12 hours 
7 to 20 days old 50mg/kg every 8 hours
21 to 28 days old 50mg/kg every 6 hours

 

amoxicillin iv dosing 

Age amoxicillin iv dose
Up to 7 days old 50mg/kg every 12 hours
7 to 28 days old 50mg/kg every 8 hours

 

ceftriaxone iv dosing

Age ceftriaxone iv dose
Up to 15 days old 50mg/kg iv OD
15 days to 28 days old 80mg/kg iv OD

 

For MRSA positive patients: ADD vancomycin iv  

For penicillin allergy (non-severe)

cefotaxime 50mg/kg bolus (Max 4g) iv initially in ED then EITHER:

  • continue cefotaxime (see dosing table below) OR
  • change to ceftriaxone (see dosing table below) once stable on the ward AND if 41 weeks or over corrected gestational age AND NOT receiving iv calcium

and consult Paediatric ID

Consider need for aciclovir

 

cefotaxime iv dosing

Age cefotaxime iv dose
Up to 7 days old 50mg/kg every 12 hours 
7 to 20 days old 50mg/kg every 8 hours
21 to 28 days old 50mg/kg every 6 hours

 

OR

ceftriaxone iv dosing

Age ceftriaxone iv dose
Up to 15 days old 50mg/kg iv OD
15 days to 28 days old 80mg/kg iv OD

 

For MRSA positive patients: ADD vancomycin iv

For penicillin allergy (severe)

Consult Paediatric ID

Editorial Information

Last reviewed: 01 Jul 2025

Author(s): AMST.

Approved By: MMTC