Ketamine Infusion for Depression in Jacksonville, FL

Person sits on a tiled floor in a corner, knees drawn up, hands resting on their head, wearing a gray knit sweater and dark jeans, conveying distress or sadness.

If you’ve been on antidepressants that stopped working, or tried multiple medications without finding the relief you were looking for, you already know how discouraging that cycle can be. You do everything right. You follow the plan, wait the weeks it takes to see whether something is working, and then start over when it doesn’t. Treatment-resistant depression is real, it’s more common than most people realize, and it deserves a treatment approach that actually matches the complexity of what’s happening in the brain.

Ketamine infusion therapy works differently than any antidepressant you’ve likely tried. Rather than slowly adjusting serotonin or dopamine levels over weeks, ketamine targets the glutamate system and NMDA receptors in the brain, promoting the rapid formation of new synaptic connections. For many people, that difference is the one that finally matters. Dr. Manohar at Florida Regional Pain Management, PA administers ketamine infusions in a carefully monitored, clinical environment, with every session tailored to the individual sitting across from him.

The Depression Conditions Ketamine Is Used to Treat

Depression isn’t one single experience, and ketamine isn’t a one-size-fits-all answer. What it is particularly well-suited for are the forms of depression that have proven difficult to treat through conventional means. Dr. Manohar evaluates every person thoroughly before making any recommendation, because the right treatment always starts with a clear picture of what’s actually going on. Ketamine infusion therapy is used to treat:

  • Major depressive disorder
  • Treatment-resistant depression
  • Bipolar disorder with depressive episodes
  • Postpartum depression
  • Situational depression that hasn’t responded to standard treatments
  • Depression occurring alongside chronic pain or anxiety
  • Post-traumatic stress disorder with depressive symptoms

The Chronic Pain Conditions We Treat With Ketamine

Not every chronic pain condition responds the same way to every treatment, which is why a thorough evaluation with Dr. Manohar always comes before any recommendation. Ketamine infusion therapy has shown strong clinical results for a specific set of conditions, particularly those rooted in nervous system dysfunction and central sensitization. Chronic pain conditions we treat with ketamine infusion therapy include:

  • Complex regional pain syndrome (CRPS)
  • Central pain syndrome
  • Fibromyalgia
  • Neuropathic pain syndrome
  • Persistent pain that hasn’t responded to other treatments

Why Ketamine Works When Antidepressants Don't

Most antidepressants work by increasing the availability of neurotransmitters like serotonin, norepinephrine, or dopamine in the brain. That approach helps a lot of people, but for those with treatment-resistant depression, it often isn’t enough. The reason comes down to how depression changes the brain over time. Chronic depression can cause the loss of synaptic connections in key areas of the brain responsible for mood, motivation, and emotional regulation.

Ketamine addresses this directly. By blocking NMDA receptors and activating the brain’s glutamate system, it triggers a rapid growth of new synaptic connections, essentially helping the brain rebuild the architecture that depression has worn down. This is why people often feel a noticeable shift in mood within hours of a session rather than waiting weeks for gradual change. The speed alone sets it apart. For someone who has been in the depths of depression for months or years, experiencing meaningful relief within hours of a single infusion can be genuinely transformative.

What Your Treatment Looks Like From Session One

Every infusion at Florida Regional Pain Management is built around you specifically. Dr. Manohar calculates your dose based on your health history, current medications, the severity of your depression, and your body’s individual profile. Nothing is standardized in a way that ignores who you actually are as a person walking through that door. Here’s what to expect during your sessions:

  • Your dose is individually calculated before every infusion
  • Ketamine is administered intravenously in a calm, fully monitored clinical setting
  • You remain conscious throughout, most people describe a gentle, dissociative, or dreamlike state
  • Trained staff are present and monitoring you for the entire duration
  • You will need a driver to take you home after each session
  • Plan to rest for the remainder of the day following treatment

How Long the Results Last

One of the most common questions people ask about ketamine for depression is whether the relief is real and how long it holds. A single infusion may produce noticeable improvement in mood for a short duration. When you complete a full series of six sessions, typically recommended within the first three weeks of starting treatment, the effects can extend to several weeks or months. The protocol Dr. Manohar recommends for the best outcomes:

  • Begin with an initial infusion to evaluate your personal response
  • If you’re experiencing positive shifts after two or three sessions, complete a full series of six infusions within the first three weeks
  • Follow up with Dr. Manohar to assess your progress and determine whether maintenance sessions are appropriate for your situation

Results build across sessions. Each infusion reinforces the new neural connections your brain is forming, which means the relief tends to deepen and stabilize as the series progresses. Ketamine infusion therapy carries a significant success rate, including among people who have not responded to other treatments.

What Makes This Different From Other Depression Treatments

For people who have cycled through multiple antidepressants, therapy combinations, and treatment programs without finding lasting relief, the difference ketamine offers is meaningful. It isn’t just another option in the same category. It works through an entirely different mechanism, on a timeline that no other depression treatment can match. What our clients dealing with depression most commonly experience includes:

  • Noticeable mood improvement sometimes within hours of the first infusion
  • Relief that continues to build across a series of sessions
  • A reduction in suicidal ideation in appropriate clinical cases
  • Improved motivation, mental clarity, and emotional responsiveness
  • Better sleep as mood and neurological function improve
  • A renewed ability to engage with therapy, relationships, and daily life
  • Results even in cases where multiple antidepressants have already failed

Who Is the Right Candidate

Ketamine infusion therapy for depression is best suited for people whose condition hasn’t responded adequately to standard treatments, though it isn’t exclusively reserved for the most severe cases. If depression is affecting your ability to function and you haven’t found a solution that holds, ketamine is a conversation worth having. Dr. Manohar approaches every evaluation without judgment and with a genuine focus on finding what will actually help. You may be a strong candidate if you are experiencing:

  • Depression that hasn’t responded to one or more antidepressant medications
  • Major depressive disorder with persistent symptoms despite treatment
  • Bipolar depression that is difficult to stabilize
  • Depression alongside chronic pain that has been hard to separate and treat
  • Postpartum depression that hasn’t resolved with standard care
  • A desire to find relief faster than traditional medication timelines allow

What to Know Before You Start

Transparency is something we take seriously, and that means being upfront about both what ketamine can do and what to be aware of going in. Ketamine is well tolerated by the vast majority of people when it is properly dosed and supervised in a clinical setting. Some people experience mild temporary effects during the infusion itself, including a sense of dissociation, mild dizziness, or light nausea. These effects are a normal part of how ketamine works and resolve once the session ends.

Ketamine infusion therapy is not appropriate for everyone. Certain health conditions and medications require careful consideration before treatment begins, and Dr. Manohar reviews all of that thoroughly during your consultation. Treatment is never recommended until we are confident it is both safe and likely to be effective for your specific situation. If it isn’t the right fit, we’ll tell you that honestly and talk through what else may serve you better.

Depression Has Taken Enough From You

You deserve to feel like yourself again, and you deserve a treatment approach that actually has the potential to get you there. Dr. Manohar and our team are ready to answer your questions, walk you through the process honestly, and help you figure out whether ketamine infusion therapy is the right next step. Call Florida Regional Pain Management, PA at (904) 737-7246 or request a consultation online today.

Frequently Asked Questions

How is ketamine different from antidepressants I've already tried?

Standard antidepressants primarily work by adjusting serotonin, dopamine, or norepinephrine levels in the brain, a process that takes weeks to produce noticeable results and doesn’t work for everyone. Ketamine targets the glutamate system and NMDA receptors, which play a direct role in synaptic growth and mood regulation. It promotes the rapid formation of new neural connections, which is why relief can be felt within hours rather than weeks. For people whose depression hasn’t responded to traditional medications, that difference in mechanism is often the key factor.

Some people begin to feel a meaningful shift in mood within a few hours of their first infusion. Most require at least two or three treatments.  Some describe it as a lifting sensation, an unexpected sense of calm, or simply feeling more like themselves than they have in a long time. The speed of response is one of the most consistently reported and significant aspects of ketamine therapy for depression, particularly for people who have been waiting months or years for something to work.

Yes, when administered by a qualified medical professional in a properly monitored setting, ketamine is considered safe for depression treatment. Dr. Manohar reviews each person’s full health history and current medications before any treatment begins, and every infusion takes place under close clinical supervision. The doses used for depression are significantly lower than those used in anesthetic settings, and serious side effects are uncommon with proper patient selection and dosing.

A series of six infusions is typically recommended for the most sustained results, ideally completed within the first three weeks of starting treatment. A single session can sometimes produce noticeable relief, but completing the full series allows the brain to reinforce the new synaptic connections being formed, leading to deeper and longer-lasting improvement. Some clients continue with periodic maintenance infusions after their initial series to sustain their progress over time.

In appropriate clinical cases, ketamine has shown the ability to reduce suicidal ideation relatively quickly, which is one of the reasons it has received significant attention in psychiatry and pain medicine. This is always evaluated carefully and individually by Dr. Manohar. If suicidal thoughts are part of what you’re dealing with, please share that during your consultation so it can be factored into your care plan appropriately. If you are in immediate crisis, please contact the 988 Suicide and Crisis Lifeline by calling or texting 988.

Certain medications can interact with ketamine or affect how well it works, which is why a thorough review of everything you’re currently taking is a standard part of your consultation. In some cases, temporary adjustments to medications may be discussed before treatment begins. We never recommend making any changes to your current prescriptions without a clear, medically guided plan in place, and Dr. Manohar will walk you through any considerations specific to your situation.

Most do not experience a dramatic response after a single session. Dr. Manohar evaluates your response after the first infusion and adjusts the approach before you complete the full series. The cumulative effect of multiple sessions is typically significantly stronger than any individual infusion alone. If after a complete series the results aren’t where we hoped, Dr. Manohar will have an honest conversation with you about what other options may be worth exploring.

The best way to find out is through a consultation with Dr. Manohar. He will review your depression history, what you’ve already tried, your current medications, and your overall health to give you a clear and honest assessment of whether ketamine infusion therapy is a strong fit for your situation. You don’t need a referral, and you don’t need to have exhausted every other option before reaching out. However, you are expected to have active ongoing care with a Psychiatrist or Psychologist for the depression management upon completion of the infusion. If depression has been running your life and what you’ve tried so far hasn’t been enough, that’s reason enough to have the conversation.

What our patients are saying

Everyone of the members of the staff and the doctor are totally awesome

Sandra M. | Nov 2023

I have been a patient for many years and have never had anything but top of the line care from my injections to regular follow up appointments both the doctor and all the staff is always friendly welcoming and helpful anytime I have needed to reschedule or make a change they have always gotten me t…

Allison D. | Oct 2022

I think dr. Manohar is very helpful, highly qualified and has a kind bedroom side manner. He is honest, knows his stuff, and is reassuring.

Melinda M. | Oct 2023