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Drug interactions

Pimozide + Ramelteon

Severity: Minor

Pimozide and Ramelteon: minor 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

Pimozide can cause sedation, which may add to ramelteon's effects. The clinical effect is usually modest.

What this interaction means in plain words

Pimozide and Ramelteon have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Pimozide belongs to Central Nervous System; Ramelteon belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depression from melatonin receptor agonism and dopamine blockade by pimozide.

What to do

Counsel about drowsiness and monitor for excess sedation. No routine dose adjustment is needed for ramelteon.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Pimozide with Ramelteon?

MediHelp rates the interaction as minor. Pimozide and Ramelteon have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pimozide can cause sedation, which may add to ramelteon's effects. The clinical effect is usually modest.

How serious is the interaction between Pimozide and Ramelteon?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel about drowsiness and monitor for excess sedation. No routine dose adjustment is needed for ramelteon.

What other medicines interact with Ramelteon?

MediHelp also lists interactions of Ramelteon with, for example, Calcium / magnesium / potassium / sodium oxybates, Fluvoxamine, Sodium oxybate. The full list is on the Ramelteon 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.

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