Collect trough 0-1h before 3rd or 4th dose.
Target trough 15-20 mg/L for most serious infections, 10-15 mg/L for skin/soft tissue infections or UTI.
If trough low, increase dose (do not exceed 2g/dose) OR decrease dosing interval
If trough >20, increase dosing interval or decrease dose
Monitor creatinine at least once weekly