Drug interactions
Dexamethasone-tobramycin + Tolterodine
Severity: Minor
Dexamethasone-tobramycin and Tolterodine: 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
Dexamethasone may modestly lower tolterodine exposure through CYP3A4 induction. Because tolterodine's active metabolite is formed by CYP2D6, the clinical effect is expected to be small.
What this interaction means in plain words
Dexamethasone-tobramycin and Tolterodine 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; Tolterodine belongs to Genitourinary.
Why it happens
Dexamethasone induces CYP3A4, increasing tolterodine clearance.
What to do
No routine adjustment is needed. Assess symptom control if therapy is prolonged.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dexamethasone-tobramycin and Tolterodine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Dexamethasone-tobramycin
Other interactions of Tolterodine
Frequently asked questions
Can I take Dexamethasone-tobramycin with Tolterodine?
MediHelp rates the interaction as minor. Dexamethasone-tobramycin and Tolterodine 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 may modestly lower tolterodine exposure through CYP3A4 induction. Because tolterodine's active metabolite is formed by CYP2D6, the clinical effect is expected to be small.
How serious is the interaction between Dexamethasone-tobramycin and Tolterodine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine adjustment is needed. Assess symptom control if therapy is prolonged.
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.
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.
