Drug interactions
Erythromycin lactobionate + Ramelteon
Severity: Minor
Erythromycin lactobionate 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
Intravenous erythromycin inhibits CYP3A4, a secondary pathway for ramelteon clearance. Ramelteon exposure may increase modestly, with possible added sedation.
What this interaction means in plain words
Erythromycin lactobionate 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.
Erythromycin lactobionate belongs to Anti Bacterial; Ramelteon belongs to Central Nervous System.
Why it happens
Inhibition of CYP3A4-mediated ramelteon metabolism.
What to do
No routine dose change is needed; monitor for excess drowsiness or dizziness during therapy.
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
Other interactions of Erythromycin lactobionate
- Cisapride + Erythromycin lactobionate Contraindicated
- Dihydroergotamine + Erythromycin lactobionate Contraindicated
- Dronedarone + Erythromycin lactobionate Contraindicated
- Eletriptan + Erythromycin lactobionate Contraindicated
- Ergotamine + Erythromycin lactobionate Contraindicated
- Erythromycin lactobionate + Flibanserin Contraindicated
Frequently asked questions
Can I take Erythromycin lactobionate with Ramelteon?
MediHelp rates the interaction as minor. Erythromycin lactobionate 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. Intravenous erythromycin inhibits CYP3A4, a secondary pathway for ramelteon clearance. Ramelteon exposure may increase modestly, with possible added sedation.
How serious is the interaction between Erythromycin lactobionate 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: No routine dose change is needed; monitor for excess drowsiness or dizziness during therapy.
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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