Drug interactions
Lormetazepam + Topiramate
Severity: Moderate
Lormetazepam 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
Combining a benzodiazepine hypnotic with topiramate increases sedation, psychomotor impairment and confusion. The risk of falls and next-day impairment is greater in older adults.
What this interaction means in plain words
Lormetazepam 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 through GABA-A potentiation by the benzodiazepine and GABAergic effects of topiramate.
What to do
Use the lowest effective lormetazepam dose for the shortest time and monitor for oversedation and cognitive effects. Avoid alcohol and counsel on driving.
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 Lormetazepam with Topiramate?
MediHelp rates the interaction as moderate. Lormetazepam 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. Combining a benzodiazepine hypnotic with topiramate increases sedation, psychomotor impairment and confusion. The risk of falls and next-day impairment is greater in older adults.
How serious is the interaction between Lormetazepam 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 effective lormetazepam dose for the shortest time and monitor for oversedation and cognitive effects. Avoid alcohol and counsel on driving.
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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