Drug interactions
Ramelteon + Topiramate
Severity: Minor
Ramelteon and Topiramate: 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
Both can cause somnolence, and topiramate may add cognitive slowing, so combined use may increase sedation and daytime impairment. The effect is generally mild.
What this interaction means in plain words
Ramelteon and Topiramate 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; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects.
What to do
Monitor for excess drowsiness and cognitive effects and advise caution with driving. Adjust the dose if impairment occurs.
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 Topiramate
Frequently asked questions
Can I take Ramelteon with Topiramate?
MediHelp rates the interaction as minor. Ramelteon and Topiramate have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both can cause somnolence, and topiramate may add cognitive slowing, so combined use may increase sedation and daytime impairment. The effect is generally mild.
How serious is the interaction between Ramelteon and Topiramate?
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 excess drowsiness and cognitive effects and advise caution with driving. Adjust the dose if impairment occurs.
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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