Drug interactions
Ketamine + Topiramate
Severity: Minor
Ketamine 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
Ketamine produces dissociation and sedation, and topiramate may add to CNS depression and cognitive impairment. Effects are mostly relevant in procedural or anesthetic settings that are already monitored.
What this interaction means in plain words
Ketamine 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.
Ketamine belongs to Central Nervous System; Topiramate belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects of topiramate and ketamine.
What to do
Titrate ketamine to effect and monitor sedation level and respiration. Reduce the dose if prolonged sedation or confusion occurs.
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 Ketamine
Frequently asked questions
Can I take Ketamine with Topiramate?
MediHelp rates the interaction as minor. Ketamine 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. Ketamine produces dissociation and sedation, and topiramate may add to CNS depression and cognitive impairment. Effects are mostly relevant in procedural or anesthetic settings that are already monitored.
How serious is the interaction between Ketamine 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: Titrate ketamine to effect and monitor sedation level and respiration. Reduce the dose if prolonged sedation or confusion 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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