Skip to content

Drug interactions

Carbidopa-entacapone-levodopa + Zuranolone

Severity: Moderate

Carbidopa-entacapone-levodopa and Zuranolone: 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

Zuranolone causes marked sedation and impairs psychomotor performance and driving ability. Levodopa and entacapone can also cause somnolence and sudden sleep onset, so the combined effect may increase impairment.

What this interaction means in plain words

Carbidopa-entacapone-levodopa and Zuranolone 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.

Carbidopa-entacapone-levodopa belongs to Central Nervous System; Zuranolone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depression through the GABA-A positive modulation of zuranolone and the sedative effects of dopaminergic therapy.

What to do

Consider reducing the zuranolone dose if excessive sedation occurs, and counsel patients not to drive or operate machinery. Monitor for somnolence and falls.

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 Carbidopa-entacapone-levodopa and Zuranolone, 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 Carbidopa-entacapone-levodopa with Zuranolone?

MediHelp rates the interaction as moderate. Carbidopa-entacapone-levodopa and Zuranolone 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. Zuranolone causes marked sedation and impairs psychomotor performance and driving ability. Levodopa and entacapone can also cause somnolence and sudden sleep onset, so the combined effect may increase impairment.

How serious is the interaction between Carbidopa-entacapone-levodopa and Zuranolone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider reducing the zuranolone dose if excessive sedation occurs, and counsel patients not to drive or operate machinery. Monitor for somnolence and falls.

What other medicines interact with Carbidopa-entacapone-levodopa?

MediHelp also lists interactions of Carbidopa-entacapone-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-entacapone-levodopa 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