Drug interactions
Quinupristin / dalfopristin + Ramelteon
Severity: Minor
Quinupristin / dalfopristin 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
Quinupristin/dalfopristin inhibits CYP3A4 and could increase ramelteon concentrations. It is used only briefly in hospital, so any effect is likely limited.
What this interaction means in plain words
Quinupristin / dalfopristin 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.
Why it happens
Inhibition of CYP3A4-mediated metabolism of ramelteon.
What to do
Monitor for increased sedation during co-treatment; no routine dose change is required.
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?
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Other interactions of Ramelteon
- Calcium / magnesium / potassium / sodium oxybates + Ramelteon Contraindicated
- Fluvoxamine + Ramelteon Contraindicated
- Ramelteon + Sodium oxybate Contraindicated
- Alfentanil + Ramelteon Moderate
- Amitriptyline + Ramelteon Moderate
- Amobarbital + Ramelteon Moderate
Frequently asked questions
Can I take Quinupristin / dalfopristin with Ramelteon?
MediHelp rates the interaction as minor. Quinupristin / dalfopristin 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. Quinupristin/dalfopristin inhibits CYP3A4 and could increase ramelteon concentrations. It is used only briefly in hospital, so any effect is likely limited.
How serious is the interaction between Quinupristin / dalfopristin 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: Monitor for increased sedation during co-treatment; no routine dose change is required.
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.
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