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Drug interactions

Ketamine + Moxonidine

Severity: Moderate

Ketamine and Moxonidine: 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

Moxonidine is a centrally acting antihypertensive that can cause sedation and low blood pressure. With ketamine it may cause additive sedation and hypotension.

What this interaction means in plain words

Ketamine and Moxonidine 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.

Evidence level: Low

Why it happens

Additive CNS depression and hypotensive effect through central sympatholytic action.

What to do

Monitor blood pressure and sedation during ketamine use. Adjust doses if hypotension or oversedation occurs.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Ketamine with Moxonidine?

MediHelp rates the interaction as moderate. Ketamine and Moxonidine 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. Moxonidine is a centrally acting antihypertensive that can cause sedation and low blood pressure. With ketamine it may cause additive sedation and hypotension.

How serious is the interaction between Ketamine and Moxonidine?

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 blood pressure and sedation during ketamine use. Adjust doses if hypotension or oversedation occurs.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

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