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Drug interactions

Butalbital + Zaleplon

Severity: Moderate

Butalbital and Zaleplon: 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

Butalbital is a barbiturate that may add to zaleplon sedation and impair psychomotor performance. Its enzyme-inducing effect on zaleplon is probably small.

What this interaction means in plain words

Butalbital and Zaleplon 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.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic CNS depression, with minor enzyme induction affecting zaleplon clearance.

What to do

Counsel patients about additive drowsiness and avoid driving; use the lowest effective zaleplon dose and monitor for oversedation.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Butalbital with Zaleplon?

MediHelp rates the interaction as moderate. Butalbital and Zaleplon 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. Butalbital is a barbiturate that may add to zaleplon sedation and impair psychomotor performance. Its enzyme-inducing effect on zaleplon is probably small.

How serious is the interaction between Butalbital and Zaleplon?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about additive drowsiness and avoid driving; use the lowest effective zaleplon dose and monitor for oversedation.

What other medicines interact with Zaleplon?

MediHelp also lists interactions of Zaleplon with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Brexanolone. The full list is on the Zaleplon page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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