UNCONTROLLED WHEN PRINTED
 Introduction
 Indications

Antibiotic prophylaxis for;

  • Open fractures
  • Significant wounds that are grossly contaminated and cannot be cleaned
  • Traumatic pneumothorax that requires pleural decompression by finger thoracostomy
 Contraindications
  • Immediate/Severe hypersensitivity to penicillin1
  • Closed fractures that do not meet other indication.
  • Isolated open fracture of the distal phalanx
 Precautions / Notes
  • Warfarin Treatment: increased risk of bleeding, monitor INR1
  • Mild/Moderate allergy to penicillin or cephalosporins: seek medical advice
  • Pregnancy/Breastfeeding: Benefit outweighs risk. Safe to use1
  • Renal impairment: dose reduction may be required1,4
  • Do not delay transport for the administration of antibiotics
  • IM route not to be used1,2
  • Rapid infusion of high doses can result in seizures4
 Preparation
  • Reconstitute (2 g of powder) with 19 mL of sodium chloride 0.9% or water for injection (WFI)2. Final product concentration is 100 mg/ml.
  • Cefazolin should not be administered via the same line as any blood products.
 Management
 Weight-based Calculations
 
Clear
 kg 
Mode: 
Weight: 
IV Cefazolin for fractures/prophylaxis
Presentation: /mL
Calculated dose:  in

IV Injection
  • Adult
    • 2 g as a single dose1,2
    • Inject slowly over 3 to 5 minutes.
  • Paediatric
    • 50 mg/kg as a single dose4, maximum 2 g
    • Inject slowly over 3 to 5 minutes.
Extended Care
  • As above
 Special Considerations

Common Adverse Effects: diarrhoea, nausea, vomiting, pain and inflammation at injection site, rash, headache1

Presentation

2 g powder for injection

Cephazolin 2g

Storage requirements

Temperature storage requirements: Store below 25°C3

Protect from light3

Reconstituted storage requirements: reconstituted solution is stable for 24 hours at 2-8°C2

SASA
Settings
Current mode:
Extended Care:
Colour assist:

References
1. Australian Medication Handbook (AMH)
2. Australian Injectable Drug Handbook (AIDH)
3. PI, Cefazolin
4. Cefazolin Monograph – Paediatric, PCH

Document Control


Directorate
Clinical Services

Responsible Manager
Head of Clinical Services

Version

Issue Date

Expiry Date

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