Skip to content

Drug interactions

Difenoxin + Thioridazine

Severity: Moderate

Difenoxin and Thioridazine: 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

Difenoxin is an opioid-related antidiarrheal that can cause drowsiness, and thioridazine adds sedation. Combined use may increase CNS depression, especially at higher doses.

What this interaction means in plain words

Difenoxin and Thioridazine 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.

Difenoxin belongs to Gastrointestinal Tract; Thioridazine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depression.

What to do

Counsel patients about drowsiness and avoid exceeding recommended doses. Monitor for excessive sedation or respiratory depression.

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 Difenoxin and Thioridazine, 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 Difenoxin with Thioridazine?

MediHelp rates the interaction as moderate. Difenoxin and Thioridazine 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. Difenoxin is an opioid-related antidiarrheal that can cause drowsiness, and thioridazine adds sedation. Combined use may increase CNS depression, especially at higher doses.

How serious is the interaction between Difenoxin and Thioridazine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about drowsiness and avoid exceeding recommended doses. Monitor for excessive sedation or respiratory depression.

What other medicines interact with Thioridazine?

MediHelp also lists interactions of Thioridazine with, for example, Abiraterone, Adagrasib, Amiodarone. The full list is on the Thioridazine 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