Ketamine Therapy

Is Ketamine Therapy Right for You? A Candid Decision Guide

A clinician-reviewed decision guide to help you figure out whether ketamine therapy is a reasonable next step, who it helps, who should wait, and what to ask.

Reviewed by Anna Stouffer, PMHNP-BC Last reviewed 2026-06-01 5 min read

Quick answer

If you have tried two or more antidepressants without real relief, ketamine therapy may be a reasonable next step worth discussing with a clinician. It tends to help people with treatment-resistant depression, certain forms of PTSD, and persistent suicidal thinking, and it works through a different brain system than standard antidepressants. It is not a fit for everyone, and it is not a cure. This guide walks you through who it tends to help, who should wait, and exactly what to ask.

Ketamine used for mental health is prescribed off-label and given under medical supervision. Individual results vary. Nothing here is a diagnosis or a promise of outcome. It is a framework to help you have a smarter conversation with a qualified Florida-licensed provider.

If you are in crisis, call or text 988 for the Suicide and Crisis Lifeline, or call 911 for an emergency.

Who Is Ketamine Therapy a Good Fit For?

Ketamine therapy is most appropriate for adults with treatment-resistant depression, treatment-resistant anxiety, certain trauma-related conditions like PTSD, or persistent suicidal thoughts, who have already tried standard treatments without enough relief. It is considered when the cost of continuing to wait is high and conventional options have been genuinely exhausted at adequate doses and durations. A provider confirms the diagnosis and rules out contraindications first.

People who tend to benefit share a few patterns. They have a confirmed diagnosis, not just a rough guess. They have tried first-line treatments long enough to know those treatments did not work, rather than stopping early because of side effects. And they are willing to pair the medication with follow-up support, because the days after a session are where much of the lasting change is consolidated.

Who Should Wait or Avoid Ketamine Therapy?

Ketamine therapy should be delayed or avoided if you have uncontrolled high blood pressure, unstable heart disease, active psychosis or untreated bipolar mania, current pregnancy, or active substance use disorder involving ketamine or related drugs. These are safety issues, not judgments. A thorough medical screening exists precisely to catch them before treatment, which is one reason supervised care matters.

This does not mean these conditions rule you out forever. Blood pressure can be brought under control. Bipolar disorder can be stabilized first. The point of a candidacy evaluation is to sequence care safely, not to gatekeep. If ketamine is not right for you right now, a good clinician will tell you what would need to change, or point you toward an option that fits better today.

How Do I Know If I Have Treatment-Resistant Depression?

You likely meet the working definition of treatment-resistant depression if you have tried at least two different antidepressants, each at an adequate dose for at least 4 to 6 weeks, and still have not had meaningful improvement. Stopping a medication early because of side effects does not count as a failed trial. Roughly 30 to 40 percent of people with major depression fall into this category, so it is common, not rare.

The distinction matters because a lot of what looks like treatment resistance is actually undertreated depression: too low a dose, too short a trial, or an undiagnosed condition like bipolar disorder or a thyroid problem changing the picture. A careful review of your medication history is the first thing a responsible provider does before recommending ketamine. Our guide on ketamine vs antidepressants explains why a different mechanism can help when standard drugs have not.

What Should I Ask Before Starting Ketamine Therapy?

Ask who supervises the sessions and what their medical training is, how candidacy is decided, what monitoring happens during treatment, what the full cost is including follow-up, and what the plan is if it does not work. A clinic that answers these clearly and does not promise guaranteed results is a good sign. Vague answers or pressure to commit fast are red flags.

A few questions worth writing down:

  • What diagnosis are we treating, and how was it confirmed?
  • What are the realistic odds this helps someone like me, and how will we measure it?
  • What form of ketamine, at what setting, and why that one?
  • How many sessions before we decide if it is working?
  • What happens to my other medications and therapy during treatment?
  • What does the full course cost, and is any of it billable to insurance?

Does Ketamine Therapy Cure Depression?

No. Ketamine therapy does not cure depression, and any provider who promises a cure is overstating the evidence. For people it helps, it can produce meaningful, sometimes rapid relief that creates room to do other recovery work, but the effect is not permanent on its own. Most people need a series of sessions and a maintenance plan, and results vary from person to person.

It is most accurate to think of ketamine as a tool that can interrupt a stuck depressive state, not a one-time fix. The relief it opens up is an opportunity: a window where therapy, lifestyle changes, and other treatments often work better than they could before.

What Are the Next Steps If This Sounds Like Me?

The next step is a candidacy consultation, where a clinician reviews your diagnosis, medication history, and medical safety, then tells you honestly whether ketamine is a reasonable option. There is no obligation to proceed. If it is a fit, you will get a clear plan. If it is not, you will get a recommendation for what is. At Ascend, supervised sessions take place in Wesley Chapel, within reach of the greater Tampa Bay area.

Frequently asked questions

Is ketamine therapy FDA approved for depression?

Generic ketamine is used off-label for depression, which is legal and common in medicine. A related medication, esketamine (Spravato), is FDA approved specifically for treatment-resistant depression and is given in certified settings. Your provider can explain which option fits your situation.

How long does it take ketamine therapy to work?

Many people notice changes within hours to a few days, which is much faster than the 4 to 6 weeks typical of antidepressants. Durability varies, so most treatment plans include a series of sessions and a maintenance strategy rather than a single dose.

Can I stay on my antidepressant during ketamine therapy?

Usually yes. Many people continue their existing medications during ketamine treatment, but this is decided case by case by your prescriber. Never stop or change a psychiatric medication on your own; do it with your provider.

Is ketamine therapy safe?

When patients are properly screened and treatment is medically supervised, ketamine has a well-characterized safety profile. The main reasons to avoid it are specific medical conditions like uncontrolled blood pressure or active psychosis, which is exactly what a candidacy evaluation checks for.

How much does ketamine therapy cost?

Cost depends on the form of ketamine and the number of sessions, and most ketamine for mood conditions is paid out of pocket because insurance coverage is limited. Ask any clinic for the full cost of a complete course, including follow-up, before you begin. See our detailed ketamine therapy cost guide.

Can I do ketamine therapy by telehealth in Florida?

Ketamine sessions themselves require in-person, supervised care, so the dosing and vital signs can be monitored, and at Ascend they take place at the Wesley Chapel clinic. Florida telehealth can support surrounding care like the candidacy conversation, psychiatry, and integration therapy, but the medication is not given remotely. The lower-supervision at-home model is discussed in our at-home vs in-clinic ketamine guide.

Medically reviewed by

Anna Stouffer, PMHNP-BC

View clinician profile · Last reviewed 2026-06-01

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

  1. McIntyre RS, et al. Synthesizing the Evidence for Ketamine and Esketamine in Treatment-Resistant Depression. American Journal of Psychiatry, 2021. https://pubmed.ncbi.nlm.nih.gov/33726522/
  2. U.S. Food and Drug Administration. FDA approves new nasal spray medication for treatment-resistant depression. https://www.fda.gov/news-events/press-announcements/fda-approves-new-nasal-spray-medication-treatment-resistant-depression-available-only-certified
  3. National Institute of Mental Health. Depression. https://www.nimh.nih.gov/health/topics/depression

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