Dosing Type Dosage Pros/Cons Trough level
Once Daily Dose 5–7 mg/kg Q24h higher peak (better bactericidal), lower trough (less renal toxicity ) undetectable by 18–24 hours post-dose
Multiple daily dosing 2–2.5 mg/kg Q8hrs more steady, good for enterococcal infective endocarditis 4–6 mg/L before 4th dose