Skip to content

Drug interactions

Midazolam intranasal + Scopolamine

Severity: Major

Midazolam intranasal and Scopolamine: major 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

Midazolam is a benzodiazepine that causes sedation and respiratory depression, and scopolamine adds CNS depressant effects. Combined use may produce deeper or prolonged sedation, hypoventilation or airway obstruction, and the combination is also known to cause amnesia and delirium.

What this interaction means in plain words

Midazolam intranasal and Scopolamine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Evidence level: Moderate

Why it happens

Additive CNS and respiratory depression via GABA-A potentiation and central antimuscarinic sedation.

What to do

Use only where continuous monitoring of sedation, respiration and oxygen saturation is available, and reduce the midazolam dose as needed. Have resuscitation equipment and reversal agents available.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Midazolam intranasal and Scopolamine, 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 Midazolam intranasal with Scopolamine?

MediHelp rates the interaction as major. Midazolam intranasal and Scopolamine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Midazolam is a benzodiazepine that causes sedation and respiratory depression, and scopolamine adds CNS depressant effects. Combined use may produce deeper or prolonged sedation, hypoventilation or airway obstruction, and the combination is also known to cause amnesia and delirium.

How serious is the interaction between Midazolam intranasal and Scopolamine?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use only where continuous monitoring of sedation, respiration and oxygen saturation is available, and reduce the midazolam dose as needed. Have resuscitation equipment and reversal agents available.

What other medicines interact with Scopolamine?

MediHelp also lists interactions of Scopolamine with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Scopolamine 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