Drug interactions
Levetiracetam + Pentobarbital
Severity: Moderate
Levetiracetam and Pentobarbital: 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
Pentobarbital is a barbiturate with strong sedative and respiratory depressant effects, and levetiracetam may add somnolence. Together they can deepen CNS depression and impair alertness.
What this interaction means in plain words
Levetiracetam and Pentobarbital 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.
Why it happens
Additive CNS depression; pentobarbital enhances GABA-A receptor activity.
What to do
Monitor level of consciousness and respiratory status, and reduce doses if excessive sedation occurs. Provide ventilatory support capability when pentobarbital is given in high doses.
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
Frequently asked questions
Can I take Levetiracetam with Pentobarbital?
MediHelp rates the interaction as moderate. Levetiracetam and Pentobarbital 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. Pentobarbital is a barbiturate with strong sedative and respiratory depressant effects, and levetiracetam may add somnolence. Together they can deepen CNS depression and impair alertness.
How serious is the interaction between Levetiracetam and Pentobarbital?
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 level of consciousness and respiratory status, and reduce doses if excessive sedation occurs. Provide ventilatory support capability when pentobarbital is given in high doses.
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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