Adult

Spinal infection: community acquired

Warning
Community acquired: Epidural or intraspinal abscess / Discitis / Vertebral osteomyelitis
  • Urgent biopsy and/or debridement recommended with collection of specimens for culture.
  • Where possible do not start antibiotics prior to urgent sampling.
  • Consult Micro/ID.
  • Modify treatment according to sensitivity test results. After 3 days of empiric treatment review cultures and discuss with Micro/ID.
  • For culture negative results and/or ambulatory treatment discuss choices with Micro/ID

Duration: Typically, community acquired spinal infection is treated for 4-6 weeks with initial IV therapy and then oral follow-on. Discuss follow-on treatment with Micro/ID. 

Preferred

flucloxacillin 2g iv qds AND gentamicin 5mg/kg iv (Gentamicin is for maximum of 3 days). Take a gentamicin level at 6-14 hours after first dose to calculate dosing interval, usually 24 hourly, 36 hourly or 48 hourly. See gentamicin monograph for dosing (including renal dosing) and monitoring. 

Alternative

For penicillin allergy (non-severe)

cefazolin* 2g iv tds AND gentamicin 5mg/kg iv (Gentamicin is for maximum of 3 days). Take a gentamicin level at 6-14 hours after first dose to calculate dosing interval, usually 24 hourly, 36 hourly or 48 hourly. See gentamicin monograph for dosing (including renal dosing) and monitoring. 

*Caution: Prothrombin time, INR and APTT may increase on cefazolin treatment courses, please monitor. For more information see Cefazolin associated coagulation disorders

 

For penicillin allergy (severe)

teicoplanin** iv AND gentamicin 5mg/kg iv (Gentamicin is for maximum of 3 days). Take a gentamicin level at 6-14 hours after first dose to calculate dosing interval, usually 24 hourly, 36 hourly or 48 hourly. See gentamicin monograph for dosing (including renal dosing) and monitoring. 

**see teicoplanin monograph for dose banding, dose frequency and monitoring)

Editorial Information

Last reviewed: 01 Jun 2025

Next review date: 01 Jun 2028

Author(s): AMST.