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Drug interactions

Ramelteon + Zileuton

Severity: Moderate

Ramelteon and Zileuton: 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

Ramelteon is metabolized mainly by CYP1A2, and zileuton may increase its exposure. This could lead to greater sedation and next-day drowsiness.

What this interaction means in plain words

Ramelteon and Zileuton 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.

Ramelteon belongs to Central Nervous System; Zileuton belongs to Respiratory.

Evidence level: Moderate

Why it happens

Zileuton inhibits CYP1A2, reducing ramelteon clearance.

What to do

Monitor for excess sedation and dizziness. Consider a lower ramelteon dose or an alternative hypnotic if adverse effects occur.

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 Ramelteon with Zileuton?

MediHelp rates the interaction as moderate. Ramelteon and Zileuton 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. Ramelteon is metabolized mainly by CYP1A2, and zileuton may increase its exposure. This could lead to greater sedation and next-day drowsiness.

How serious is the interaction between Ramelteon and Zileuton?

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 excess sedation and dizziness. Consider a lower ramelteon dose or an alternative hypnotic if adverse effects occur.

What other medicines interact with Zileuton?

MediHelp also lists interactions of Zileuton with, for example, Fezolinetant, Pimozide, Alosetron. The full list is on the Zileuton 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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