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Mental Health·7 min read

Low-Dose Ketamine for Depression and Anxiety in Florida | What to Expect

Reviewed by Hilary Ortega, NP — Florida-licensed

Medically reviewed by our Florida clinical team. Last updated October 2026.

Low-dose ketamine works in hours, not weeks. Here is the science, the safety profile, and what a real treatment course looks like.

Person resting calmly on a couch with eye mask under warm lamp light — Florida telehealth, serving Miami, Orlando, Tampa, Jacksonville and statewide

For the longest time, we really only had one bucket of tools for depression and anxiety, and frankly, those meds were a gamble. You’d wait two months just to see if your SSRI would kick in, and for roughly half of my patients, it simply didn't. Low-dose ketamine flipped that timeline on its head. When we’re looking at treatment-resistant depression, we see about 70% of folks reporting a real, measurable lift in their mood within 24 hours of a single subanesthetic dose. (2024 Nature Medicine study on extended-release ketamine tablets for treatment-resistant depression) [1]

The science behind the shift

Instead of messing with serotonin, ketamine hits the glutamate system. It works by blocking NMDA receptors and triggering a sudden release of BDNF—think of it as a protein fertilizer for your brain—which helps repair and regrow the synaptic connections that get worn down or 'thinned out' by chronic depression. We aren't just masking symptoms here; we are actually addressing structural changes in the prefrontal cortex. [2]

Is this right for you?

  • Adults who've been through the ringer with at least two standard SSRIs that didn't do the job.
  • Anyone struggling with chronic, treatment-resistant anxiety that won't respond to traditional therapy.
  • Patients sitting in that heavy, acute distress who can't wait eight weeks for a pill to start working.
  • Folks we've thoroughly screened to ensure their heart and psychiatric history make this a safe path.

Mapping out the treatment

For our at-home protocols, we usually use sublingual lozenges at a very specific, controlled dose. Most people start with an induction phase—that's two sessions a week for about four to six weeks—before we look at tapering down for maintenance. I make sure these sessions aren't just 'trips' either; we pair them with real integration work to make the changes stick. [3]

The experience itself

You'll likely feel a mild dissociative state, which patients often describe as a bit of healthy distance from their own heavy internal weather. It’s in this window that those exhausting, looping thoughts finally start to loosen their grip. The peak usually hits around the 45-minute mark, and by two hours, you’re feeling pretty much back to your baseline. [1]

Safety is the priority

Look—ketamine is powerful, but it's not a free-for-all. If someone is dealing with active psychosis, uncontrolled high blood pressure, or a history of misuse, we have to look at other options. Every single person who comes into my clinic goes through a full cardiac and psych assessment. We also build a rock-solid crisis plan; if you’re in an emergency right now, please don't wait on a blog post—dial 911.

Available across Florida

Reset My Vitality is a Florida-licensed telehealth practice. The treatments covered in this guide are available to patients statewide, with medication shipped directly to your door. Explore the program for your city:

Key Clinical Studies

A short, responsible summary of recent peer-reviewed research relevant to this topic. This is for education only, not medical advice.

Efficacy of ketamine therapy in the treatment of depression

Indian Journal of Psychiatry · 2019

Key finding: Subanesthetic ketamine (0.5 mg/kg IV) produced robust, rapid antidepressant effects that were visible immediately and largely sustained at one month in patients with depression.

Why it matters: Supports the rapid onset and structured dosing protocol used in our at-home low-dose ketamine program.

View study

Extended-release ketamine tablets for treatment-resistant depression

Nature Medicine · 2024

Key finding: 180 mg twice-weekly extended-release ketamine tablets significantly improved MADRS scores vs placebo in treatment-resistant depression, with good tolerability and mostly at-home dosing.

Why it matters: Demonstrates that controlled at-home ketamine delivery can be both safe and effective for difficult-to-treat cases.

View study

Ketamine vs ECT for non-psychotic treatment-resistant major depression

New England Journal of Medicine · 2023

Key finding: Intravenous ketamine was non-inferior to electroconvulsive therapy for non-psychotic treatment-resistant depression, with roughly 55% of ketamine patients showing sustained improvement.

Why it matters: Reinforces ketamine as a credible option for patients who have not responded to traditional antidepressants.

View study

Scientific References

Peer-reviewed studies and reviews cited in this article.

  1. [1]Glue P, et al. Extended-release ketamine tablets for treatment-resistant depression. Nat Med. 2024. View study
  2. [2]Yavi M, et al. Ketamine treatment for depression: a review. 2022. View study
  3. [3]Tully JL, et al. Ketamine treatment for refractory anxiety: A systematic review. 2022. View study

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