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Short-acting benzodiazepineReviewed May 16, 2026

Midazolam (Versed) and Ketamine Therapy | Tovani Health

Versed (Midazolam)Short-acting benzodiazepine

Verdict at Tovani Health

Compatible; recent procedural use (colonoscopy, dental) just affects session timing.

Midazolam and ketamine are compatible. Outpatient midazolam is genuinely rare in adults; the typical reason to disclose midazolam use is recent procedural sedation (colonoscopy, dental, minor surgery) within the past week, in which case we just space the session 48-72 hours from the dose. After that the drug is fully cleared and there's no further concern.

If you take Versed regularly and are considering at-home ketamine therapy, the combination is safe with monitoring or dose adjustment. This page covers the brief pharmacologic context and what we do at intake.

How Versed interacts with ketamine

Midazolam is a short-acting GABA-A modulator with rapid onset and 2-6 hour half-life. The benzodiazepine response-blunting effect on ketamine applies if used chronically.

What we do at intake

Disclose any procedural sedation in the past week. If you take midazolam chronically as an outpatient, that's unusual enough that we want to understand the indication before scheduling.

Bottom line

Midazolam and ketamine are compatible. Outpatient midazolam is genuinely rare in adults; the typical reason to disclose midazolam use is recent procedural sedation (colonoscopy, dental, minor surgery) within the past week, in which case we just space the session 48-72 hours from the dose. After that the drug is fully cleared and there's no further concern.

Frequently Asked Questions

I had Versed for a colonoscopy last week. Can I do KAP this week?

Usually yes after 48-72 hours. The drug is fully cleared by then.

Ready to find out if at-home ketamine fits your situation?

We’ll note that you’re on Versed (Midazolam) at intake. The eligibility check takes 5 minutes and gives you an honest answer about whether at-home ketamine fits your specific situation.

FL and NJ residents only. Benjamin Soffer, DO — Tovani Health.

Sources

The verdict and clinical guidance on this page are based on the following peer-reviewed literature and FDA prescribing information.

  1. The Antidepressant Effect of Ketamine Is Dampened by Concomitant Benzodiazepine Medication. Andrashko V, Novak T, Brunovsky M, et al.. Frontiers in Psychiatry. 2020. PMID: 33005153

    Patients on concomitant benzodiazepines showed a measurably blunted antidepressant response to ketamine.

  2. Pharmacodynamic Interactions Between Ketamine and Psychiatric Medications Used in the Treatment of Depression: A Systematic Review. Veraart JKE, Smith-Apeldoorn SY, Bakker IM, et al.. International Journal of Neuropsychopharmacology. 2021. PMID: 34170315

    Systematic review of pharmacodynamic interactions between ketamine and psychiatric medications used in depression treatment.

Clinically reviewed

Reviewed by Benjamin Soffer, DO on May 16, 2026. Dr. Soffer is a board-certified physician (American Board of Internal Medicine) licensed in Florida and New Jersey, prescribing at-home ketamine therapy through Tovani Health.

This page is general information about how this medication interacts with at-home ketamine therapy at Tovani Health. It is not a substitute for medical advice from your prescribing physician about your specific situation. Always discuss medication changes with the doctor who prescribed them.