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Drug interactions

Clonidine + Orphenadrine

Severity: Moderate

Clonidine and Orphenadrine: 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

Orphenadrine has sedative and anticholinergic effects that may add to the drowsiness and dizziness caused by clonidine. Impaired alertness and psychomotor performance may result.

What this interaction means in plain words

Clonidine and Orphenadrine 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 CNS depressant effects.

What to do

Monitor for sedation and orthostatic symptoms and advise against driving if drowsy. Use the lowest effective doses.

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 Clonidine with Orphenadrine?

MediHelp rates the interaction as moderate. Clonidine and Orphenadrine 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. Orphenadrine has sedative and anticholinergic effects that may add to the drowsiness and dizziness caused by clonidine. Impaired alertness and psychomotor performance may result.

How serious is the interaction between Clonidine and Orphenadrine?

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 sedation and orthostatic symptoms and advise against driving if drowsy. Use the lowest effective doses.

What other medicines interact with Clonidine?

MediHelp also lists interactions of Clonidine with, for example, Acebutolol, Amifostine, Amiodarone. The full list is on the Clonidine page.

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