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Drug interactions

Nabilone + Secobarbital

Severity: Moderate

Nabilone and Secobarbital: 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

Nabilone is a cannabinoid with sedative and psychoactive effects, and secobarbital is a barbiturate hypnotic. Taken together they produce additive central nervous system depression, with greater drowsiness, impaired psychomotor performance and confusion.

What this interaction means in plain words

Nabilone and Secobarbital 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.

Nabilone belongs to Gastrointestinal Tract; Secobarbital belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive pharmacodynamic CNS depression from cannabinoid receptor agonism and barbiturate enhancement of GABA-A activity.

What to do

Start with the lowest effective doses and warn the patient against driving or operating machinery. Monitor sedation and mental status, and reduce the dose of either drug 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?

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 Nabilone with Secobarbital?

MediHelp rates the interaction as moderate. Nabilone and Secobarbital 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. Nabilone is a cannabinoid with sedative and psychoactive effects, and secobarbital is a barbiturate hypnotic. Taken together they produce additive central nervous system depression, with greater drowsiness, impaired psychomotor performance and confusion.

How serious is the interaction between Nabilone and Secobarbital?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Start with the lowest effective doses and warn the patient against driving or operating machinery. Monitor sedation and mental status, and reduce the dose of either drug if oversedation occurs.

What other medicines interact with Nabilone?

MediHelp also lists interactions of Nabilone with, for example, Alfentanil, Amobarbital, Belladonna and opium. The full list is on the Nabilone 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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