Quick answer
Ketamine therapy can produce a temporary altered state, but it is not the same as getting high recreationally. At the low, controlled doses used clinically, most people experience a sense of detachment from their body or surroundings, called dissociation, along with floating sensations and shifts in how time and thoughts feel. It usually lasts about 40 to 60 minutes during a session, fades as the dose wears off, and happens under medical monitoring. Many people find it manageable or even calming, though experiences vary.
What Does Ketamine Therapy Actually Feel Like?
Most people describe ketamine therapy as a floaty, dreamlike, or detached feeling, where the body feels distant, time stretches or compresses, and thoughts drift more freely. This dissociation is expected and is part of how the treatment is thought to work. Some people find it pleasant and relaxing; others find parts of it strange or mildly uncomfortable, which is why a calm setting and monitoring matter.
The intensity depends on the dose and the form of ketamine. IV infusions allow precise control and are titrated carefully. Throughout the session you are supported, and the staff can adjust if you feel uncomfortable. Most people settle within minutes and the experience eases on its own as the medication clears. For a step-by-step picture of the visit itself, see what to expect at a ketamine infusion appointment.
Is the Dissociation Dangerous?
The dissociation from clinical ketamine is temporary and, in a monitored setting, not dangerous for properly screened patients. Your vital signs are watched, the dose is controlled, and staff are present to support you. The sensation resolves on its own as the medication wears off, usually within the hour, and is not the same as losing consciousness.
For people prone to psychosis or mania, dissociative effects can be a concern, which is exactly why candidacy screening exists. For everyone else who is cleared, the altered state is an expected, time-limited part of treatment, not a complication.
How Is This Different From Recreational Ketamine?
Clinical ketamine uses low, measured doses in a supervised medical setting with a treatment plan and monitoring, while recreational use involves unregulated doses without oversight and aims for intoxication. The dose, the environment, the intent, and the safety net are all completely different. Therapeutic dosing is calibrated for symptom relief, not for the strongest possible high.
That difference also affects risk. Heavy, repeated recreational use is linked to bladder damage and cognitive problems. Supervised therapeutic courses use far lower exposure and are tracked by a clinician, which is a key reason medical supervision is non-negotiable. If you are still getting oriented, our plain-language overview of ketamine therapy explains what it is and how it works.
Will I Be Awake and Aware During Treatment?
Yes. During ketamine therapy you remain conscious and able to respond, even though your perception feels altered. You are not put under general anesthesia at these doses. You can usually communicate with staff if you need to, and many people simply rest quietly with eyes closed, listening to music.
Because your awareness and coordination are affected for a while afterward, you should not drive following a session. Clinics require you to arrange a ride home, and you will typically feel back to your normal self within a couple of hours.
Care at Ascend: Learn more about Ketamine Therapy at Ascend Mind and Body, or book an appointment.
Frequently asked questions
How long does the ketamine feeling last?
The noticeable dissociative effects usually last about 40 to 60 minutes during the session and ease as the medication wears off. Most people feel back to baseline within one to two hours, though you should still arrange a ride home.
Can I drive after ketamine therapy?
No. You should not drive for the rest of the day after a session because coordination and judgment can be affected. Clinics require you to arrange transportation home.
What if I do not like the dissociative feeling?
Tell the staff. The setting is designed to keep you calm and supported, and with IV treatment the dose can be adjusted. The feeling is temporary and resolves as the medication clears.
Is ketamine addictive when used in therapy?
Used in a controlled, supervised treatment plan with low doses, the risk of addiction is low. Recreational misuse is a different matter. Active substance misuse involving ketamine is screened for during candidacy evaluation.
Is therapeutic ketamine the same intensity as a recreational dose?
No. Therapeutic dosing is calibrated for symptom relief, not for the strongest possible effect, so the altered state is usually milder and more controlled than a recreational dose, and it is titrated and monitored. Some people do feel notable dissociation, but the dose, setting, and oversight are built around safety rather than intensity, which is a core difference from unsupervised use.
Medically reviewed by
Anna Stouffer, PMHNP-BC
This article is for general educational purposes only and is not medical advice. It does not create a provider-patient relationship. Talk with a qualified Florida-licensed clinician about your individual situation.
Sources
- Krystal JH, et al. Ketamine: A Paradigm Shift for Depression Research and Treatment. Neuron, 2019. https://pubmed.ncbi.nlm.nih.gov/30946828/
- National Institute on Drug Abuse. Hallucinogens DrugFacts. https://nida.nih.gov/publications/drugfacts/hallucinogens
- U.S. Food and Drug Administration. Spravato (esketamine) prescribing information and REMS. https://www.fda.gov/news-events/press-announcements/fda-approves-new-nasal-spray-medication-treatment-resistant-depression-available-only-certified