Drug interactions
Difenoxin + Sevoflurane
Severity: Moderate
Difenoxin and Sevoflurane: 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 that can cause CNS depression at high doses. It may add to the sedation and respiratory depression of sevoflurane.
What this interaction means in plain words
Difenoxin and Sevoflurane 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; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive CNS depression via mu-opioid receptor agonism.
What to do
Monitor sedation and respiration during and after anesthesia, and reduce anesthetic doses if the patient is drowsy.
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 Sevoflurane
Other interactions of Difenoxin
Frequently asked questions
Can I take Difenoxin with Sevoflurane?
MediHelp rates the interaction as moderate. Difenoxin and Sevoflurane 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 that can cause CNS depression at high doses. It may add to the sedation and respiratory depression of sevoflurane.
How serious is the interaction between Difenoxin and Sevoflurane?
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 sedation and respiration during and after anesthesia, and reduce anesthetic doses if the patient is drowsy.
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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