Drug interactions
Diphenoxylate + Levetiracetam
Severity: Moderate
Diphenoxylate and Levetiracetam: 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 can produce CNS depression, especially at higher doses, and levetiracetam commonly causes somnolence. The combination may add to sedation and reduced alertness.
What this interaction means in plain words
Diphenoxylate and Levetiracetam 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 belongs to Gastrointestinal Tract; Levetiracetam belongs to Central Nervous System.
Why it happens
Additive CNS depression from an opioid-related antidiarrheal and an antiepileptic.
What to do
Keep diphenoxylate doses within the labeled range and monitor for excess drowsiness. Counsel patients on driving and machinery risks.
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 Levetiracetam
Other interactions of Diphenoxylate
Frequently asked questions
Can I take Diphenoxylate with Levetiracetam?
MediHelp rates the interaction as moderate. Diphenoxylate and Levetiracetam 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 can produce CNS depression, especially at higher doses, and levetiracetam commonly causes somnolence. The combination may add to sedation and reduced alertness.
How serious is the interaction between Diphenoxylate and Levetiracetam?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep diphenoxylate doses within the labeled range and monitor for excess drowsiness. Counsel patients on driving and machinery risks.
What other medicines interact with Levetiracetam?
MediHelp also lists interactions of Levetiracetam with, for example, Oliceridine, Opium tincture, Sodium oxybate. The full list is on the Levetiracetam page.
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