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Drug interactions

Henbane + Trimipramine

Severity: Moderate

Henbane and Trimipramine: 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

Henbane contains antimuscarinic alkaloids such as hyoscyamine and scopolamine. With trimipramine they may cause additive anticholinergic effects, including confusion, tachycardia, urinary retention and constipation.

What this interaction means in plain words

Henbane and Trimipramine 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.

Evidence level: Low

Why it happens

Additive antimuscarinic effects.

What to do

Avoid the combination where possible, and monitor for anticholinergic toxicity if it is unavoidable.

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 Henbane with Trimipramine?

MediHelp rates the interaction as moderate. Henbane and Trimipramine 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. Henbane contains antimuscarinic alkaloids such as hyoscyamine and scopolamine. With trimipramine they may cause additive anticholinergic effects, including confusion, tachycardia, urinary retention and constipation.

How serious is the interaction between Henbane and Trimipramine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, and monitor for anticholinergic toxicity if it is unavoidable.

What other medicines interact with Trimipramine?

MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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