Drug interactions
Dexmedetomidine + Diphenoxylate
Severity: Moderate
Dexmedetomidine and Diphenoxylate: 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
Diphenoxylate is an opioid antidiarrheal that can cause CNS depression, especially at higher doses. With dexmedetomidine, sedation and respiratory depression may be increased.
What this interaction means in plain words
Dexmedetomidine and Diphenoxylate 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.
Dexmedetomidine belongs to Central Nervous System; Diphenoxylate belongs to Gastrointestinal Tract.
Why it happens
Additive CNS depression via opioid agonism and alpha-2 agonism.
What to do
Monitor sedation and respiratory status, and reduce doses if oversedation occurs.
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 Dexmedetomidine
Other interactions of Diphenoxylate
Frequently asked questions
Can I take Dexmedetomidine with Diphenoxylate?
MediHelp rates the interaction as moderate. Dexmedetomidine and Diphenoxylate 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. Diphenoxylate is an opioid antidiarrheal that can cause CNS depression, especially at higher doses. With dexmedetomidine, sedation and respiratory depression may be increased.
How serious is the interaction between Dexmedetomidine and Diphenoxylate?
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 respiratory status, and reduce doses if oversedation occurs.
What other medicines interact with Dexmedetomidine?
MediHelp also lists interactions of Dexmedetomidine with, for example, Buprenorphine long-acting, Calcium / magnesium / potassium / sodium oxybates, Dextromoramide. The full list is on the Dexmedetomidine page.
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