Drug interactions
Cinnarizine + Topiramate
Severity: Minor
Cinnarizine 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
Cinnarizine causes sedation and topiramate can impair cognition and alertness, so combined use may increase drowsiness. Impaired performance of tasks like driving is the main concern.
What this interaction means in plain words
Cinnarizine 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.
Cinnarizine belongs to Respiratory; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects of topiramate and cinnarizine.
What to do
Advise patients about increased drowsiness and avoid driving until tolerance is established. Reduce the cinnarizine dose if sedation is excessive.
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 Topiramate
Other interactions of Cinnarizine
- Alprazolam + Cinnarizine Moderate
- Amitriptyline + Cinnarizine Moderate
- Amobarbital + Cinnarizine Moderate
- Aripiprazole + Cinnarizine Moderate
- Azelastine-fluticasone + Cinnarizine Moderate
- Azelastine + Cinnarizine Moderate
Frequently asked questions
Can I take Cinnarizine with Topiramate?
MediHelp rates the interaction as minor. Cinnarizine 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. Cinnarizine causes sedation and topiramate can impair cognition and alertness, so combined use may increase drowsiness. Impaired performance of tasks like driving is the main concern.
How serious is the interaction between Cinnarizine 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: Advise patients about increased drowsiness and avoid driving until tolerance is established. Reduce the cinnarizine dose if sedation is excessive.
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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