Drug interactions
Methohexital + Scopolamine
Severity: Major
Methohexital 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
Methohexital is a barbiturate anesthetic that causes deep sedation and respiratory depression. Scopolamine adds central sedative effects, which may prolong or deepen sedation and impair recovery.
What this interaction means in plain words
Methohexital 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.
Methohexital belongs to Central Nervous System; Scopolamine belongs to Respiratory.
Why it happens
Additive CNS depression from barbiturate GABA-A potentiation and central antimuscarinic effects.
What to do
Use only with trained staff and continuous monitoring of airway, oxygenation and sedation depth. Reduce the methohexital dose as needed and extend post-procedure observation.
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?
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Other interactions of Scopolamine
Other interactions of Methohexital
Frequently asked questions
Can I take Methohexital with Scopolamine?
MediHelp rates the interaction as major. Methohexital 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. Methohexital is a barbiturate anesthetic that causes deep sedation and respiratory depression. Scopolamine adds central sedative effects, which may prolong or deepen sedation and impair recovery.
How serious is the interaction between Methohexital 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 with trained staff and continuous monitoring of airway, oxygenation and sedation depth. Reduce the methohexital dose as needed and extend post-procedure observation.
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.
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