Imperial Collage Healthcare

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Test Background
If prolonged treatment with Tobramycin  is anticipated, regular monitoring of pre-dose serum levels will be required.

Clinical Indications
Take a blood sample immediately prior to the 2nd dose (if duration greater than 48 hours). Do not wait for the result – give second dose as planned. If the level comes back ≥1mg/L the 3rd dose should be adjusted.

Reference Range
Pre-dose (trough) <1mg/l

Sample Required
Serum SST rust top

Sample Volume

Turnaround Time

2-3 Days


Tobramycin assays are now referred externally to Bristol Antimicrobial Reference laboratory.  Sample referral and reporting  of results is managed by the Infection & Immunity laboratory.

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