You know the drill by now. New prescription, four to six weeks of waiting, a follow-up appointment where you say “I think maybe a little?” and nobody’s sure whether that’s the medication or the weather. Then you start over. Maybe you’ve done that twice. Maybe five times.
The thing that makes ketamine different isn’t that it’s stronger. It’s that you stop waiting.
In the research, most people who responded felt the shift the same day. Not after a month of wondering. That’s the part worth understanding first, because if you’ve spent years losing whole seasons to medications that were never going to work, the most valuable thing anyone can give you isn’t another maybe. It’s a fast, clear answer.
We provide ketamine therapy at our Fort Lauderdale location, and we’d rather give you the full picture, including what it doesn’t do, before you spend anything.
What “faster” actually means for your life
Here’s the practical difference. A standard antidepressant is a decision you make and then live inside for a month before you learn anything. You rearrange your expectations around it. You tell people you’re trying something new. And six weeks later you might be exactly where you started, except older and more tired of trying.
With ketamine, the trials measured the answer in a day. That doesn’t mean it works for everyone. It doesn’t, and we’ll get to that. It means that if it isn’t going to work for you, you find out this week instead of next season. And if it does, you know that fast too.
For a lot of people, that’s the whole thing. Not a miracle. Just an end to the waiting.
What the research found, in plain terms
The study that started all of this was small: eighteen people enrolled, seventeen of whom received ketamine, all with treatment-resistant depression. In that 2006 NIH trial, about seven in ten of those who got ketamine felt significantly better within a day of a single infusion, and around three in ten were doing well enough to count as being in remission. People began noticing the change less than two hours in.
Since then, bigger studies have filled in the picture. The largest of them compared ketamine head to head with electroconvulsive therapy, the treatment that’s been the serious last resort for decades. Ketamine came out slightly ahead, with a little over half the patients responding compared with roughly four in ten on ECT, and people on ketamine had noticeably less trouble with memory afterward.
| Study | People | What happened | How fast |
|---|---|---|---|
| 7 | The first real signal: depression scores dropped sharply after ketamine and stayed at placebo level after saline | Within 3 days | |
| 17 | About 7 in 10 responded; roughly 3 in 10 reached remission | 24 hours | |
| 41 | 1 in 4 responded to a single infusion; closer to 6 in 10 after a course of six | End of course | |
| 403 | Slightly better results than ECT, with less memory disruption | 3 weeks |
That third row is the one to sit with. One infusion helped about a quarter of people. A proper course helped more than twice as many. Which brings us to the part that’s easy to miss.
One session is a test. A course is the treatment.
If a clinic quotes you a price for a single infusion, they’ve quoted you the price of finding out, not the price of getting better.
The research here is consistent. A single dose tells you whether your brain responds at all, which is genuinely useful information. But it fades fast. In the 2006 trial, only about a third of people were still holding their response a week later.
What holds it is continuing. Of the people who responded to a six-infusion course, 21 of 23 kept that response while they stayed on weekly maintenance. That study didn’t follow anyone after treatment stopped, though, so nobody can tell you what happens once you finish.
So when you’re comparing programs, the question isn’t “what does a session cost.” It’s “what does the whole course look like, and what happens after it.” Any program that can’t answer that clearly is asking you to buy a beginning with no middle.
If you want to know what a full course would look like for you, our Fort Lauderdale team can walk you through it.
Four things worth understanding before you start
Ketamine is prescribed off-label, which is a regulatory category rather than a red flag. Its FDA approval is as an anesthetic, so treating depression with it falls outside the original label. That’s ordinary medicine: the FDA’s own position is that providers generally may prescribe an approved drug for an unapproved use when they judge it medically appropriate for their patient, and psychiatry does it routinely. The FDA has also approved esketamine (the S-enantiomer of ketamine) for treatment-resistant depression.
No official dosing schedule exists, but the research converged on one anyway. Every trial on this page used the same approach: 0.5 mg/kg infused over 40 minutes. An American Psychiatric Association task force has also published a consensus statement in JAMA Psychiatry, covering patient selection, treatment setting, delivery, and follow-up. Those are suggestions rather than a binding guideline, and the authors say so. But “not FDA approved” is a long way from “no standards to work from.”
It’s a treatment, not a cure. The studies measured days and weeks, not years. Ketamine can lift you far enough to do the other work. It doesn’t do the other work for you.
It works alongside your care, in a monitored room. Ketamine creates an opening. Therapy and medication management are what you do with it. It also needs supervision: the FDA has warned specifically about compounded ketamine used at home without an on-site clinician, and the same APA task force advises strongly against self-administration. Every result on this page came from a monitored setting with a clinician present, which is how we run it.
That task force is also candid that long-term data on ketamine for mood disorders is still limited. The short-term evidence is real and it’s good. The decade-out picture is still being written, and it’s worth knowing which is which.
Who it tends to help, and who it doesn’t
Ketamine usually comes up after depression has already outlasted a couple of medications, which is who most of the research here studied. If you haven’t tried much yet, there are usually simpler places to start, and a good clinician will tell you so.
Some people shouldn’t have it at all. Certain heart conditions, a history of psychosis, and active substance use all change the picture. And if drinking or using is part of what’s going on, that usually needs treatment for both at once rather than a separate fix. That’s a medical judgment, not a measure of how much you want it, and it’s not something you can settle from a website.
That’s what the evaluation is for, and it’s worth saying plainly that a real evaluation can end with “not this.” If it does, you’ve still gained something: one fewer dead end, and a clearer sense of what to try instead.
What to ask us, and anyone else
Four questions will tell you most of what you need to know about any ketamine program, ours included:
- Who does the psychiatric evaluation, and what are their credentials?
- What monitoring happens during a session?
- How is a full course structured, and how do you check whether it’s working?
- How does this coordinate with my therapist and prescriber?
Ask us those. Our admissions team answers them on the first call. Then ask the next clinic the same four, and compare how specific the answers are.
Common questions
How fast does ketamine work for depression?
Very fast, compared with anything you’d normally be offered. In the 2006 trial, people began improving within about two hours and were measurably better the next day, compared with the weeks you’d normally wait on an antidepressant.
Does ketamine work if nothing else has?
That’s exactly who this research studied: people whose depression hadn’t responded to other treatments. In the trials above, between a quarter and roughly seven in ten of those who received ketamine improved.
Is ketamine FDA approved for depression?
It’s approved as an anesthetic and used off-label for depression. Esketamine, the nasal spray sold as Spravato, is a separate FDA-approved product with its own safety program.
How many treatments will I need?
Most protocols start with a series rather than a single session, then move to spaced maintenance for people who respond. The exact schedule depends on how you respond, which is a conversation for your evaluation.
Will insurance cover it?
Coverage varies by plan, so we can verify your benefits and tell you what applies before you decide.
Depression that has outlasted several medications wears down something in you that’s hard to explain to people who haven’t been there. Ketamine isn’t magic, and we’re not going to pretend otherwise. What it can offer is a fast answer to one real question: does your brain respond to this? If the answer is yes, there’s a real path forward from there.
When you’re ready, start with our depression treatment programs, or just call and tell us where you’re at.
