Skip to content

Drug interactions

Desipramine + Orphenadrin

Severity: Moderate

Desipramine and Orphenadrin: 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

Desipramine is a tricyclic antidepressant with anticholinergic and sedative effects, though less than some others in its class. With orphenadrine the combination can increase anticholinergic burden, sedation and confusion.

What this interaction means in plain words

Desipramine and Orphenadrin 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.

Desipramine belongs to Central Nervous System; Orphenadrin belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive muscarinic blockade and central sedative effects.

What to do

Monitor for anticholinergic toxicity and sedation, and lower doses if needed. Avoid in older patients and those with glaucoma or urinary retention.

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 Desipramine and Orphenadrin, 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 Desipramine with Orphenadrin?

MediHelp rates the interaction as moderate. Desipramine and Orphenadrin 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. Desipramine is a tricyclic antidepressant with anticholinergic and sedative effects, though less than some others in its class. With orphenadrine the combination can increase anticholinergic burden, sedation and confusion.

How serious is the interaction between Desipramine and Orphenadrin?

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 anticholinergic toxicity and sedation, and lower doses if needed. Avoid in older patients and those with glaucoma or urinary retention.

What other medicines interact with Orphenadrin?

MediHelp also lists interactions of Orphenadrin with, for example, Alfentanil, Amobarbital, Benzhydrocodone / acetaminophen. The full list is on the Orphenadrin 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