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Drug interactions

Dantrolene + Ketamine

Severity: Moderate

Dantrolene and Ketamine: 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

Ketamine produces dissociative anaesthesia and sedation, and dantrolene adds its own sedative effect. The combination may prolong or deepen central nervous system depression and delay recovery of alertness.

What this interaction means in plain words

Dantrolene and Ketamine 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.

Dantrolene belongs to Musculoskeletal; Ketamine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depression.

What to do

Titrate ketamine to effect and monitor level of consciousness and respiratory status. Allow extra recovery time and supervision after procedures.

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 Dantrolene with Ketamine?

MediHelp rates the interaction as moderate. Dantrolene and Ketamine 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. Ketamine produces dissociative anaesthesia and sedation, and dantrolene adds its own sedative effect. The combination may prolong or deepen central nervous system depression and delay recovery of alertness.

How serious is the interaction between Dantrolene and Ketamine?

MediHelp rates it moderate, 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 level of consciousness and respiratory status. Allow extra recovery time and supervision after procedures.

What other medicines interact with Dantrolene?

MediHelp also lists interactions of Dantrolene with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Dantrolene page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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