Paediatric

Penetrating Chest Trauma

  • Treat for up to 7 days or until surgical exploration.
  • If foreign body remains in situ, discuss duration of treatment with Paediatric ID.
  • Review empirical treatment within 48-72 hours

Preferred

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

Oral therapy (when able to tolerate): 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 17 years 

One 625mg tablet TDS

OR

10mLs of 250mg/62mg/5mL suspension TDS if patient cannot take tablets 

For MRSA positive patients: ADD vancomycin iv

For penicillin allergy (non-severe) 

1 month and over:

ceftriaxone iv 50mg/kg (max 2g) iv OD  

AND 

metronidazole 

  • oral dosing: 7.5 mg/kg (max 400mg) po TDS (BD if 1 month old).  
  • for iv dosing see dosing table below.

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

For MRSA positive patients: ADD vancomycin iv   

 

Under 1 month: Contact Paeds ID

For penicillin allergy (severe) 

ciprofloxacin  *

  • oral dosing: 20mg/kg (max 750mg) po BD
  • for iv dosing: 10mg/kg (max 400mg) iv TDS

AND 

metronidazole  

  • oral dosing: 7.5 mg/kg (max 400mg) po TDS (BD if 1 month old).
  • for iv dosing see dosing table below

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

AND vancomycin iv

 

 

* Note: Ciprofloxacin may induce convulsions in patients with or without a history of convulsions – use with caution

Also Note: If patient is prescribed ciprofloxacin ensure that the patient is given the Fluoroquinolone MHRA patient information leaflet. 

For more information about MHRA safety alerts and patient or carer counselling See Fluoroquinolone antibiotics -  paediatric position statement

For high-risk cases with oesophageal perforation +/- spillage of intestinal contents into the thorax/mediastinum

Consider adding fluconazole iv or po

Age  fluconazole dose (iv or po)
1 month and older 

6mg/kg (max 400mg) OD

Dose can be doubled to 12mg/kg (max 400mg) OD in severe infection or if patient is immunocompromised.

Editorial Information

Last reviewed: 09 Jun 2026

Author(s): AMST.

Approved By: MMTC