Drug interactions
Dexamethasone-tobramycin + Zoledronic acid
Severity: Minor
Dexamethasone-tobramycin and Zoledronic acid: minor 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 aminoglycosides and zoledronic acid can lower serum calcium and magnesium, and both may affect the kidney. With topical tobramycin systemic absorption is minimal, so the risk is mainly relevant after systemic aminoglycoside exposure.
What this interaction means in plain words
Dexamethasone-tobramycin and Zoledronic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dexamethasone-tobramycin belongs to Anti Bacterial; Zoledronic acid belongs to Musculoskeletal.
Why it happens
Additive hypocalcemic and potentially nephrotoxic effects.
What to do
With the topical product no action is usually needed; if systemic tobramycin is used, monitor serum calcium, magnesium and renal function.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Dexamethasone-tobramycin
Other interactions of Zoledronic acid
- Amikacin + Zoledronic acid Moderate
- Bumetanide + Zoledronic acid Moderate
- Dichlorphenamide + Zoledronic acid Moderate
- Ethacrynic acid + Zoledronic acid Moderate
- Foscarnet + Zoledronic acid Moderate
- Gentamicin + Zoledronic acid Moderate
Frequently asked questions
Can I take Dexamethasone-tobramycin with Zoledronic acid?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Zoledronic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both aminoglycosides and zoledronic acid can lower serum calcium and magnesium, and both may affect the kidney. With topical tobramycin systemic absorption is minimal, so the risk is mainly relevant after systemic aminoglycoside exposure.
How serious is the interaction between Dexamethasone-tobramycin and Zoledronic acid?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: With the topical product no action is usually needed; if systemic tobramycin is used, monitor serum calcium, magnesium and renal function.
What other medicines interact with Dexamethasone-tobramycin?
MediHelp also lists interactions of Dexamethasone-tobramycin with, for example, Capreomycin, Carboplatin, Ciprofloxacin. The full list is on the Dexamethasone-tobramycin page.
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