Skip to content

Drug interactions

Dronabinol + Secobarbital

Severity: Moderate

Dronabinol 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

Secobarbital may induce enzymes that metabolise dronabinol, potentially lowering its concentrations and weakening its effect on appetite or nausea. Both agents also cause CNS depression, so sedation and impaired cognition may be increased.

What this interaction means in plain words

Dronabinol 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.

Dronabinol belongs to Central Nervous System; Secobarbital belongs to Central Nervous System.

Evidence level: Low

Why it happens

CYP2C9 and CYP3A4 induction by secobarbital increases dronabinol metabolism, together with additive CNS depression.

What to do

Monitor for reduced dronabinol effect and titrate its dose as needed. Warn the patient about additive drowsiness.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Dronabinol and Secobarbital, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Dronabinol with Secobarbital?

MediHelp rates the interaction as moderate. Dronabinol 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. Secobarbital may induce enzymes that metabolise dronabinol, potentially lowering its concentrations and weakening its effect on appetite or nausea. Both agents also cause CNS depression, so sedation and impaired cognition may be increased.

How serious is the interaction between Dronabinol 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: Monitor for reduced dronabinol effect and titrate its dose as needed. Warn the patient about additive drowsiness.

What other medicines interact with Secobarbital?

MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital 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.

Browse A–Z · Drug interactions

Get the app Sign in