Paediatric

Penetrating abdominal trauma

  • Give antibiotics for up to 5 days. If a total course of more than 5 days is needed discuss it with Paeds ID
  • For high risk cases with GI perforation +/- spillage of intestinal contents into peritoneum, consider adding fluconazole 6mg/kg (max 400mg) iv OD. If patient less than 1 month, refer to BNFc doses.

Preferred

co-amoxiclav 30mg/kg (max 1.2g) iv TDS (BD if 1-2 months old) 

For MRSA positive patients: add vancomycin iv

Oral step down:

co-amoxiclav po see dosing table below

Age co-amoxiclav oral dose
 1 month to 11 months  0.5mL/kg of 125mg/31mg/5mL suspension TDS
 1 year to 5 years  10mLs of 125mg/31mg/5mL suspension TDS
 6 years to 11 years  10mLs of 250mg/62mg/5mL suspension TDS
 12 years to 17 years  One 625mg tablet TDS OR 10mLs of 250mg/62mg/5mL suspension TDS if patient cannot take tablets

Alternative: For penicillin allergy (non-severe)

ceftriaxone 50mg/kg (Max 2g) iv OD (if over 1 month)

AND metronidazole iv see dosing table below

For MRSA positive patients: add vancomycin iv

 

metronidazole IV dosing information:

Age

metronidazole IV dose

1 month upto 2 months

Loading dose 15 mg/kg (max 500mg) iv, then (after 8 hours) 7.5 mg/kg (max 500mg) iv TDS

2 months to 17 years

7.5mg/kg (max 500mg) iv TDS

 

Alternatives: For penicillin allergy (severe)

ciprofloxacin10mg/kg (max 400mg) iv TDS   * ciprofloxacin may induce convulsions in patients with or without a history of convulsions – use with caution

AND metronidazole iv see dosing table below

For MRSA positive patients: add vancomycin iv 

 

metronidazole IV dosing information:

Age

metronidazole IV dose

1 month up to 2 months

Loading dose 15 mg/kg (max 500mg) iv, then (after 8 hours) 7.5 mg/kg (max 500mg) iv TDS

2 months to 17 years

7.5mg/kg (max 500mg) iv TDS

 

Oral step down in non-severe and severe penicillin allergy

ciprofloxacin* 20mg/kg (max 750mg) po BD  * ciprofloxacin may induce convulsions in patients with or without a history of convulsions – use with caution

AND metronidazole po 

1 month: 7.5 mg/kg (max 400mg) po BD 

2 months-11 years: 7.5 mg/kg (max 400mg) po TDS 

12 years and older: 400mg po TDS

Editorial Information

Last reviewed: 01 Dec 2023

Author(s): AMST.

Approved By: MMTC