Drug interactions
Difenoxin + Haloperidol
Severity: Moderate
Difenoxin and Haloperidol: 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 the active metabolite of diphenoxylate, an opioid antidiarrheal. Combined with haloperidol, it may add to sedation and CNS depression, particularly at higher doses or in vulnerable patients.
What this interaction means in plain words
Difenoxin and Haloperidol 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; Haloperidol belongs to Central Nervous System.
Why it happens
Additive CNS depression from opioid activity and antipsychotic sedation.
What to do
Use the lowest effective doses and monitor for excess drowsiness 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?
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Other interactions of Haloperidol
- Dofetilide + Haloperidol Contraindicated
- Dronedarone + Haloperidol Contraindicated
- Haloperidol + Ibutilide Contraindicated
- Haloperidol + Levoketoconazole Contraindicated
- Haloperidol + Panobinostat Contraindicated
- Haloperidol + Pimozide Contraindicated
Other interactions of Difenoxin
Frequently asked questions
Can I take Difenoxin with Haloperidol?
MediHelp rates the interaction as moderate. Difenoxin and Haloperidol 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 the active metabolite of diphenoxylate, an opioid antidiarrheal. Combined with haloperidol, it may add to sedation and CNS depression, particularly at higher doses or in vulnerable patients.
How serious is the interaction between Difenoxin and Haloperidol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective doses and monitor for excess drowsiness or respiratory depression.
What other medicines interact with Haloperidol?
MediHelp also lists interactions of Haloperidol with, for example, Dofetilide, Dronedarone, Ibutilide. The full list is on the Haloperidol page.
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