Drug interactions
Topiramate + Ziconotide
Severity: Moderate
Topiramate and Ziconotide: 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
Ziconotide, given intrathecally, commonly causes sedation, confusion and cognitive impairment. Topiramate can add to these CNS effects, increasing the risk of oversedation or altered mental status.
What this interaction means in plain words
Topiramate and Ziconotide 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.
Topiramate belongs to Central Nervous System; Ziconotide belongs to Central Nervous System.
Why it happens
Additive CNS depressant and cognitive effects.
What to do
Monitor mental status and level of consciousness, and reduce or stop ziconotide if cognitive impairment develops. Review the need for other CNS-active drugs.
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
Other interactions of Ziconotide
- Clozapine + Ziconotide Major
- Alprazolam + Ziconotide Moderate
- Amitriptyline + Ziconotide Moderate
- Amobarbital + Ziconotide Moderate
- Aripiprazole + Ziconotide Moderate
- Armodafinil + Ziconotide Moderate
Frequently asked questions
Can I take Topiramate with Ziconotide?
MediHelp rates the interaction as moderate. Topiramate and Ziconotide 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. Ziconotide, given intrathecally, commonly causes sedation, confusion and cognitive impairment. Topiramate can add to these CNS effects, increasing the risk of oversedation or altered mental status.
How serious is the interaction between Topiramate and Ziconotide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor mental status and level of consciousness, and reduce or stop ziconotide if cognitive impairment develops. Review the need for other CNS-active drugs.
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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