Drug interactions
Flurazepam + Topiramate
Severity: Moderate
Flurazepam and Topiramate: moderate 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
Flurazepam is a long-acting benzodiazepine hypnotic whose active metabolite accumulates, and topiramate adds sedative and cognitive effects. Together they can cause prolonged drowsiness, psychomotor impairment and falls.
What this interaction means in plain words
Flurazepam and Topiramate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive CNS depression from GABA-A potentiation by the benzodiazepine and topiramate.
What to do
Use the lowest flurazepam dose and monitor for next-day sedation and falls, especially in older patients. Consider a shorter-acting hypnotic if impairment occurs.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Topiramate
Frequently asked questions
Can I take Flurazepam with Topiramate?
MediHelp rates the interaction as moderate. Flurazepam and Topiramate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Flurazepam is a long-acting benzodiazepine hypnotic whose active metabolite accumulates, and topiramate adds sedative and cognitive effects. Together they can cause prolonged drowsiness, psychomotor impairment and falls.
How serious is the interaction between Flurazepam and Topiramate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest flurazepam dose and monitor for next-day sedation and falls, especially in older patients. Consider a shorter-acting hypnotic if impairment occurs.
What other medicines interact with Topiramate?
MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate page.
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