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Drug interactions

Ramelteon + Verapamil

Severity: Minor

Ramelteon and Verapamil: 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

Verapamil may modestly raise ramelteon exposure, possibly increasing drowsiness or dizziness. The effect is predicted rather than well documented, and the strong CYP1A2 pathway dominates ramelteon clearance.

What this interaction means in plain words

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

Ramelteon belongs to Central Nervous System; Verapamil belongs to Cardiovascular.

Evidence level: Low

Why it happens

Minor inhibition of CYP3A4 metabolism of ramelteon.

What to do

No dose change is usually needed; counsel on next-day sedation.

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 Ramelteon with Verapamil?

MediHelp rates the interaction as minor. Ramelteon and Verapamil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Verapamil may modestly raise ramelteon exposure, possibly increasing drowsiness or dizziness. The effect is predicted rather than well documented, and the strong CYP1A2 pathway dominates ramelteon clearance.

How serious is the interaction between Ramelteon and Verapamil?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is usually needed; counsel on next-day sedation.

What other medicines interact with Verapamil?

MediHelp also lists interactions of Verapamil with, for example, Dofetilide, Flibanserin, Lomitapide. The full list is on the Verapamil 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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