Drug interactions
Henbane + Scopolamine
Severity: Major
Henbane 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
Henbane contains hyoscyamine and scopolamine, so taking it with scopolamine duplicates anticholinergic exposure. Toxicity can include delirium, hallucinations, hyperthermia, tachycardia, urinary retention and ileus.
What this interaction means in plain words
Henbane 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.
Why it happens
Additive antimuscarinic effects from the same tropane alkaloid class, with variable herbal alkaloid content.
What to do
Avoid concurrent use. If anticholinergic toxicity is suspected, stop both and provide supportive care, considering physostigmine in severe cases.
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
Frequently asked questions
Can I take Henbane with Scopolamine?
MediHelp rates the interaction as major. Henbane 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. Henbane contains hyoscyamine and scopolamine, so taking it with scopolamine duplicates anticholinergic exposure. Toxicity can include delirium, hallucinations, hyperthermia, tachycardia, urinary retention and ileus.
How serious is the interaction between Henbane 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: Avoid concurrent use. If anticholinergic toxicity is suspected, stop both and provide supportive care, considering physostigmine in severe cases.
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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