Drug interactions
Belzutifan + Ketamine
Severity: Minor
Belzutifan and Ketamine: 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
Belzutifan induces CYP3A4 and may lower exposure to CYP3A4 substrates. Ketamine is partly metabolized by CYP3A4 and CYP2B6, so its effect may be somewhat reduced, though the impact is not well characterized.
What this interaction means in plain words
Belzutifan and Ketamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Belzutifan belongs to Miscellaneous; Ketamine belongs to Central Nervous System.
Why it happens
Belzutifan-mediated CYP3A4 induction increasing ketamine clearance.
What to do
Monitor the clinical response to ketamine and titrate the dose upward if analgesia or anesthesia is inadequate.
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 Ketamine
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Ketamine?
MediHelp rates the interaction as minor. Belzutifan and Ketamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Belzutifan induces CYP3A4 and may lower exposure to CYP3A4 substrates. Ketamine is partly metabolized by CYP3A4 and CYP2B6, so its effect may be somewhat reduced, though the impact is not well characterized.
How serious is the interaction between Belzutifan and Ketamine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor the clinical response to ketamine and titrate the dose upward if analgesia or anesthesia is inadequate.
What other medicines interact with Ketamine?
MediHelp also lists interactions of Ketamine with, for example, Benzhydrocodone / acetaminophen, Brexanolone, Buprenorphine buccal. The full list is on the Ketamine page.
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