Skip to content

Drug interactions

Flavoxate + Zotepine

Severity: Moderate

Flavoxate and Zotepine: moderate 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

Zotepine has antimuscarinic activity and can add to flavoxate's anticholinergic effects. Both drugs may also cause tachycardia, and zotepine lowers the seizure threshold.

What this interaction means in plain words

Flavoxate and Zotepine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Additive antimuscarinic effects.

What to do

Monitor for urinary retention, constipation, tachycardia and confusion. Reduce the flavoxate dose or stop it if anticholinergic effects emerge.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Flavoxate and Zotepine, 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.

Frequently asked questions

Can I take Flavoxate with Zotepine?

MediHelp rates the interaction as moderate. Flavoxate and Zotepine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Zotepine has antimuscarinic activity and can add to flavoxate's anticholinergic effects. Both drugs may also cause tachycardia, and zotepine lowers the seizure threshold.

How serious is the interaction between Flavoxate and Zotepine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for urinary retention, constipation, tachycardia and confusion. Reduce the flavoxate dose or stop it if anticholinergic effects emerge.

What other medicines interact with Flavoxate?

MediHelp also lists interactions of Flavoxate with, for example, Clozapine, Abobotulinumtoxina, Aclidinium. The full list is on the Flavoxate 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.

Browse A–Z · Drug interactions

Get the app Sign in