Drug interactions
Amphotericin b + Gentamicin
Severity: Major
Amphotericin b and Gentamicin: major interaction.
Last updated
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.
Summary
Both drugs cause nephrotoxicity, and gentamicin also carries ototoxic and vestibulotoxic risk. Concurrent use increases the likelihood of acute kidney injury, which in turn raises aminoglycoside levels and further toxicity.
What this interaction means in plain words
Amphotericin b and Gentamicin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Amphotericin b belongs to Anti Fungals; Gentamicin belongs to Anti Bacterial.
Why it happens
Additive proximal tubular nephrotoxicity, with accumulation of gentamicin when renal function falls.
What to do
Avoid the combination if alternatives exist. If needed, monitor creatinine and gentamicin levels closely, hydrate, and consider audiometry for prolonged courses.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Amphotericin b
- Amphotericin b + Cidofovir Contraindicated
- Adefovir + Amphotericin b Major
- Amikacin + Amphotericin b Major
- Amphotericin b + Arsenic trioxide Major
- Amphotericin b + Capreomycin Major
- Amphotericin b + Cephaloridine Major
Other interactions of Gentamicin
- Cidofovir + Gentamicin Contraindicated
- Adefovir + Gentamicin Major
- Amikacin + Gentamicin Major
- Amlodipine-hydrochlorothiazide-valsartan + Gentamicin Major
- Amphotericin b deoxycholate + Gentamicin Major
- Atracurium + Gentamicin Major
Frequently asked questions
Can I take Amphotericin b with Gentamicin?
MediHelp rates the interaction as major. Amphotericin b and Gentamicin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs cause nephrotoxicity, and gentamicin also carries ototoxic and vestibulotoxic risk. Concurrent use increases the likelihood of acute kidney injury, which in turn raises aminoglycoside levels and further toxicity.
How serious is the interaction between Amphotericin b and Gentamicin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if alternatives exist. If needed, monitor creatinine and gentamicin levels closely, hydrate, and consider audiometry for prolonged courses.
What other medicines interact with Amphotericin b?
MediHelp also lists interactions of Amphotericin b with, for example, Cidofovir, Adefovir, Amikacin. The full list is on the Amphotericin b page.
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