Drug interactions

amikacin + ceftazidime

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Overview

Severity: Moderate · Evidence level: Moderate

Additive nephrotoxicity when coadministered; risk increased with high doses, prolonged therapy, or renal impairment.

Mechanism of action

Pharmacodynamic additive nephrotoxicity; both agents can injure renal tubules, especially with elevated exposures and impaired clearance.

Clinical management

Use only if benefit outweighs risk. Baseline and at least twice-weekly SCr/BUN and urine output; adjust doses for renal function; perform amikacin TDM (peaks/troughs) and adjust accordingly; avoid additional nephrotoxins.

Drug reference

Frequently asked questions

Can I take amikacin with ceftazidime?

The interaction is rated: Moderate. Additive nephrotoxicity when coadministered; risk increased with high doses, prolonged therapy, or renal impairment.

How serious is the interaction between amikacin and ceftazidime?

The interaction is rated: Moderate. Evidence level: Moderate.

How is the interaction between amikacin and ceftazidime managed?

Use only if benefit outweighs risk. Baseline and at least twice-weekly SCr/BUN and urine output; adjust doses for renal function; perform amikacin TDM (peaks/troughs) and adjust accordingly; avoid additional nephrotoxins.

Why do amikacin and ceftazidime interact?

Pharmacodynamic additive nephrotoxicity; both agents can injure renal tubules, especially with elevated exposures and impaired clearance.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions