Drug interactions
Topiramate + Zolpidem
Severity: Minor
Topiramate and Zolpidem: 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
Topiramate is a weak, dose-dependent CYP3A4 inducer, so a small reduction in zolpidem exposure is possible. Topiramate also causes somnolence and cognitive slowing, which may add to zolpidem effects.
What this interaction means in plain words
Topiramate and Zolpidem have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Topiramate belongs to Central Nervous System; Zolpidem belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by topiramate, plus additive CNS depressant effects.
What to do
No dose adjustment is usually required; monitor for daytime sedation and cognitive impairment and for changes in hypnotic efficacy.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Topiramate and Zolpidem, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Zolpidem
Other interactions of Topiramate
Frequently asked questions
Can I take Topiramate with Zolpidem?
MediHelp rates the interaction as minor. Topiramate and Zolpidem have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Topiramate is a weak, dose-dependent CYP3A4 inducer, so a small reduction in zolpidem exposure is possible. Topiramate also causes somnolence and cognitive slowing, which may add to zolpidem effects.
How serious is the interaction between Topiramate and Zolpidem?
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 adjustment is usually required; monitor for daytime sedation and cognitive impairment and for changes in hypnotic efficacy.
What other medicines interact with Zolpidem?
MediHelp also lists interactions of Zolpidem with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Benzhydrocodone / acetaminophen. The full list is on the Zolpidem 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.