How many ketamine infusions do I need for depression or anxiety?

Most patients begin with a series of six ketamine infusions spread over two to three weeks. This initial protocol is designed to build on the neuroplastic changes each session creates. After the initial series, maintenance sessions are scheduled based on how you respond, often monthly or quarterly.

Do I need ketamine maintenance sessions forever?

Not necessarily. Some patients find that maintenance sessions become less frequent over time, moving from monthly to quarterly or even less often. Others prefer to continue on a regular schedule because it supports their ongoing wellbeing. There is no one-size-fits-all answer, and your protocol is always guided by how you are feeling.

How many ketamine sessions are needed for chronic pain?

The number of ketamine sessions for chronic pain varies more widely than for mental wellness. It depends on the type of pain, how long you have had it, and how your body responds to the infusion. Some patients benefit from shorter, more frequent sessions while others respond better to longer extended infusions. Marla works with each patient individually to determine the right approach.

How Many Ketamine Sessions Do I Need?

Q: How soon will I notice ketamine is working?

Many patients notice a shift within the first one to three sessions. Some describe it as a quiet lifting, a softening of intrusive thoughts, or a sense that things feel a little lighter. Marla monitors your response at each session and adjusts the protocol if needed.

What Does a Typical Ketamine Treatment Schedule Look Like?

One of the most common questions we hear is how many ketamine infusions a person will need. It is a fair question, and the honest answer is that it depends on what we are treating and how your body responds. That said, there are general patterns that most patients follow.

For mental wellness concerns such as depression, anxiety, PTSD, or OCD, the standard initial protocol is six infusions spread over two to three weeks. Research suggests that this loading phase allows the brain to build on the neuroplastic changes created by each session, establishing a stronger foundation before spacing sessions further apart.

For chronic pain conditions, the ketamine treatment schedule varies more widely. The number of sessions, their duration, and how they are spaced depends on the type of pain, how long you have been living with it, and what other treatments you have tried. Some patients respond well to shorter, more frequent sessions. Others benefit from longer extended infusions. Marla works with each patient to determine the right approach based on your specific situation.

You can learn more about what each session involves on our How It Works page.

Why Do Patients Need Multiple Sessions?

Ketamine works differently from most medications. Rather than simply masking symptoms while the drug is active, research suggests that ketamine promotes neuroplasticity, the brain's ability to form new neural connections and strengthen existing ones. This is part of what makes it so promising for conditions that have not responded to other treatments.

But neuroplasticity does not happen all at once. Each infusion creates a window of heightened brain flexibility. During that window, new pathways begin to form. The next session reinforces those pathways before they have a chance to fade. Over the course of several sessions, the changes become more durable.

Think of it less like flipping a switch and more like learning a new skill. The first session opens the door. The sessions that follow help you walk through it more confidently. That is why the initial series is spaced closely together, and why skipping sessions or stretching them too far apart can reduce the overall benefit.

How Do You Know If Ketamine Is Working?

Most patients notice a shift within the first one to three sessions. Some describe it as a quiet lifting, a softening of intrusive thoughts, or a sense that things feel a little lighter than they did before. For others, the changes are more subtle at first and become clearer as the series progresses.

There is no single way ketamine shows up in a person's experience, and we do not expect everyone to respond on the same timeline. What matters is paying attention to the small shifts. Are you sleeping a little better? Do the hard days feel slightly less overwhelming? Are you finding it easier to engage with the people and activities that matter to you?

Marla monitors your response at every session. She checks in with you before, during, and after each infusion, and she adjusts the protocol if needed. If something is not working the way we expected, we talk about it openly and explore what might help. You are never left guessing about where you stand.

What Happens After the Initial Protocol?

Once the initial series is complete, most patients transition to maintenance sessions. The goal of maintenance is to sustain the improvements you have made without requiring the same frequency as the loading phase.

How often you need maintenance sessions depends entirely on your individual response. Some patients do well with a session once a month. Others find that once every two to three months is enough. A smaller number of patients space their sessions out even further over time. There is no fixed rule, and your schedule can evolve as your needs change.

Research suggests that the benefits of ketamine tend to last longer the more sessions a person has completed. The initial series builds the foundation. Maintenance sessions keep it strong. If you ever notice symptoms starting to return, that is usually a signal that it is time for your next session rather than a sign that treatment is not working.

For more about what to expect between sessions, see our guide on what happens after ketamine therapy.

How Does Marla Personalize Your Protocol?

At Music City Ketamine, there is no template. Marla Peterson, CRNA, does not run patients through a fixed program and hope for the best. She responds to how you respond.

That starts with your very first conversation, before any infusion takes place. Marla listens to your history, your goals, and what you have already tried. She uses that information to build an initial plan, but she treats that plan as a starting point, not a prescription.

From session one, she is watching how you respond to the infusion itself: how your body handles the medication, what dose works for you, and how you feel in the hours and days afterward. If the standard approach is working, she stays the course. If something needs adjusting, whether that is the dose, the infusion rate, or the spacing between sessions, she makes changes based on real-time clinical observation.

Every person who walks through our door is different. The same condition can show up in completely different ways. That is why we pay attention to the person, not just the diagnosis. — Marla Peterson, CRNA, Music City Ketamine

You may also meet Walter White and Wilma, our therapy dogs, who have their own quiet way of putting people at ease before treatment begins. The entire experience is designed around your comfort and your specific needs.

What Does Treatment Cost?

We believe in transparent pricing. Here is what ketamine infusion therapy costs at Music City Ketamine:

Service	Duration	Cost
Mental Wellness
Mental Wellness Infusion	Standard session	$475
Pain Management
Pain Standard Infusion	45 minutes	$475
Pain Extended Infusion	2 hours	$845
Pain Extended Infusion	3 hours	$1,100
Pain Extended Infusion	4 hours	$1,425

For a full breakdown of pricing, financing options, and insurance guidance, visit our ketamine therapy cost page.