Drug interactions
Topiramate + Zaleplon
Severity: Minor
Topiramate and Zaleplon: 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 and may lower zaleplon exposure slightly. Topiramate also causes somnolence and slowed cognition, which may add to zaleplon's sedative effects.
What this interaction means in plain words
Topiramate and Zaleplon 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; Zaleplon 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 routinely needed; monitor for daytime sedation and cognitive impairment.
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 Zaleplon
- Calcium / magnesium / potassium / sodium oxybates + Zaleplon Contraindicated
- Sodium oxybate + Zaleplon Contraindicated
- Brexanolone + Zaleplon Major
- Buprenorphine long-acting + Zaleplon Major
- Buprenorphine subdermal implant + Zaleplon Major
- Buprenorphine transdermal + Zaleplon Major
Other interactions of Topiramate
Frequently asked questions
Can I take Topiramate with Zaleplon?
MediHelp rates the interaction as minor. Topiramate and Zaleplon 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 and may lower zaleplon exposure slightly. Topiramate also causes somnolence and slowed cognition, which may add to zaleplon's sedative effects.
How serious is the interaction between Topiramate and Zaleplon?
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 routinely needed; monitor for daytime sedation and cognitive impairment.
What other medicines interact with Zaleplon?
MediHelp also lists interactions of Zaleplon with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Brexanolone. The full list is on the Zaleplon page.
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