Patient with clasped hands discussing how does Spravato work with a mental health provider taking notes

What Is Spravato and How Does It Work for Treatment-Resistant Depression?

If you have tried two or more antidepressants and still feel stuck, you are not alone, and you are not out of options. You may have heard a provider mention Spravato, a newer treatment built specifically for depression that has not responded to standard medication. The first thing most people want to know is simple: how does Spravato work, and could it help me when other medications have not? This guide explains what Spravato is, what happens in your brain during treatment, how it compares to the antidepressants you already know, and what a typical treatment timeline looks like. If you already know you want to explore this option, you can read more about Spravato treatment in Grand Prairie, TX and what the process involves with a local provider.

1. What Is Spravato?

Spravato is the brand name for esketamine, a prescription nasal spray for adults with treatment-resistant depression (TRD). Esketamine is a close chemical relative of ketamine. However, it is a distinct medication with its own dosing, safety rules, and FDA approval.

According to Mayo Clinic, esketamine nasal spray is used with or without an oral antidepressant to treat depression in people who have already tried at least two antidepressants that did not work well. It is only available through a restricted safety program, and each dose is taken under a provider’s supervision in a medical facility. Spravato was first approved by the FDA in 2019. In January 2025, the FDA expanded that approval so it can be used on its own, not only alongside an oral antidepressant.

Here are the basics you should know:

  • Form: A nasal spray you use yourself while a provider supervises you.
  • Who it is for: Adults with treatment-resistant depression. It is also approved, together with an oral antidepressant, for adults with major depressive disorder who are experiencing suicidal thoughts or actions.
  • Where it is given: Only at certified clinics. You cannot take it home.
  • Classification: A Schedule III controlled substance, which is why it comes with extra safety steps.

Now that you know what Spravato is, the next question is: how does Spravato work inside the brain?

2. How Does Spravato Work in the Brain?

Most antidepressants you may have tried, such as SSRIs and SNRIs, work by increasing serotonin or norepinephrine. These medications often take four to six weeks to show their full effect, and they do not work well for everyone.

When patients ask “how does Spravato work?”, the clearest answer is that it acts on a completely different system. Spravato targets glutamate, the most common chemical messenger in the brain. Glutamate plays a major role in learning, memory, and mood regulation.

Researchers are still studying the full mechanism, but the current understanding follows these steps:

  1. Spravato blocks NMDA receptors. These are one type of receptor that responds to glutamate.
  2. Glutamate activity shifts. Blocking NMDA receptors leads to a burst of glutamate activity at other receptors, called AMPA receptors.
  3. The brain releases growth signals. AMPA activation triggers proteins such as BDNF (brain-derived neurotrophic factor) that support healthy brain cells.
  4. New connections form. These signals help rebuild connections between nerve cells in areas of the brain that regulate mood.

Long-term depression and chronic stress are linked to a loss of these connections. By helping the brain rebuild them, Spravato may relieve symptoms in people whose depression did not improve with serotonin-based medications.

3. Spravato vs. Traditional Antidepressants

Another helpful way to answer “how does Spravato work?” is to compare it side by side with the daily pills most people try first. The differences go beyond brain chemistry. They also shape how often you are seen, where treatment happens, and how quickly you may notice a change.

FeatureSpravatoSSRIs/SNRIs
Brain targetGlutamate system (NMDA receptors)Serotonin and norepinephrine
How it is takenNasal spray in a certified clinicDaily pill at home
Typical onsetSome patients notice changes within a day or twoUsually four to six weeks
Treatment frequencyTwice weekly at first, then weekly or every two weeksEvery day
MonitoringAt least two hours in the office after each doseRoutine follow-up visits
Who it is forAdults whose depression has not responded to at least two antidepressantsOften the first treatment tried for depression

The biggest practical difference is structure. With a daily pill, you manage treatment on your own between appointments. With Spravato, every dose happens in a clinic with a provider present. For many people, that built-in support is part of what makes the treatment feel manageable.

4. What Makes Depression Treatment-Resistant?

Treatment-resistant depression is more common than many people realize. According to Johns Hopkins Medicine, up to 33% of people with depression do not respond to multiple kinds of conventional antidepressants.

In general, depression is considered treatment-resistant when two conditions are met. You have taken at least two different antidepressants, each at an adequate dose for an adequate length of time. Your symptoms still have not improved. You might recognize some of these patterns:

  • You have tried two or more antidepressants, each for several weeks, without meaningful relief.
  • Your symptoms improved slightly but never fully lifted.
  • Your depression keeps returning even when you stay on medication.
  • You have had to switch medications repeatedly while still struggling to function day to day.

If this sounds familiar, a thorough psychiatric evaluation can confirm whether you meet the criteria for TRD. It can also show whether Spravato fits your history.

To make that visit as useful as possible, it helps to bring:

  • A list of every antidepressant you have tried, including the dose and roughly how long you took each one.
  • Notes on what happened with each medication, such as partial relief, no change, or side effects that made you stop.
  • Any other treatments you have used, such as therapy, and how long you stayed with them.
  • Your current medications and supplements, so your provider can check for interactions.

5. Why Spravato Is Given in a Medical Office

If you have wondered “how does Spravato work on an actual treatment day?”, the answer involves a clear set of safety steps.

Spravato can cause temporary side effects, including:

  • Drowsiness
  • A feeling of being disconnected from your surroundings (dissociation)
  • A short-term rise in blood pressure

Because of these effects, it is only available through a safety program called the Spravato REMS (Risk Evaluation and Mitigation Strategy).

A typical treatment day includes these steps:

  • Before your visit: You avoid food for about two hours and liquids for about 30 minutes to reduce nausea.
  • Before the dose: Your provider checks your blood pressure.
  • During the dose: You use the nasal spray yourself while your provider guides you.
  • After the dose: You rest in the office for at least two hours while your provider monitors you.
  • Getting home: You arrange a ride, since you cannot drive until the next day after a restful night of sleep.

6. How Quickly Can Spravato Help?

Part of the answer to “how does Spravato work?” is timing. Because it works through glutamate rather than serotonin, some patients notice changes in their mood within the first day or two. Others see gradual improvement across the first several weeks.

Early improvement does not always look dramatic. Some people first notice small shifts, such as:

  • Getting out of bed more easily
  • Feeling less weighed down in the morning
  • Showing more interest in activities they had stopped enjoying

Keeping a short daily note about your mood, sleep, and energy can help you and your provider spot these changes.

Treatment follows a structured schedule:

PhaseWeeksHow Often
InductionWeeks 1 to 4Twice per week
Early maintenanceWeeks 5 to 8Once per week
Ongoing maintenanceWeek 9 and beyondOnce per week or every two weeks

At the end of the first four weeks, your provider reviews your progress to decide whether continuing treatment makes sense.

7. What Happens After the First Eight Weeks?

Many people wonder how does Spravato work over the long term, once the first two months are complete. After week eight, treatment shifts from building a response to protecting it.

Here is what the ongoing phase usually involves:

  • Finding your lowest effective frequency. Your provider works toward the least frequent schedule that keeps your symptoms under control, often once a week or every two weeks.
  • Regular check-ins on your symptoms. Your provider tracks mood, sleep, energy, and daily functioning to see whether the schedule still fits.
  • Adjusting when life changes. If symptoms return during a stressful period, your provider may temporarily increase how often you come in.
  • Coordinating with your other care. Your provider continues to review any oral medication and supports therapy or lifestyle changes alongside Spravato.

Research has found that people who respond well and continue maintenance treatment are less likely to relapse than those who stop early. That is why decisions about tapering or stopping should always be made together with your provider, not on your own.

8. Who Might Be a Good Candidate for Spravato?

Once you understand the answer to “how does Spravato work?”, the next question is whether it fits your situation.

Spravato may be worth discussing with a provider if you:

  • Are an adult living with major depressive disorder.
  • Have not found relief after at least two antidepressants.
  • Can commit to regular in-office visits during the first two months.
  • Can arrange transportation home after each session.

Spravato is not recommended for everyone. People with any of the following should not use it:

  • Certain blood vessel conditions, such as an aneurysm or arteriovenous malformation
  • A history of bleeding in the brain
  • An allergy to esketamine or ketamine

It is also not recommended during pregnancy. Your provider will review your full medical history before recommending treatment.

9. Frequently Asked Questions

SSRIs increase serotonin levels and usually take several weeks to reach full effect. Spravato works on the glutamate system instead, helping the brain form new connections between nerve cells. This different pathway is why it can help some people who did not respond to serotonin-based medications. It also explains why some patients notice changes sooner.

No. Esketamine is a closely related form of ketamine, but Spravato is a separate FDA-approved medication. It comes as a nasal spray with a set dosing schedule and is only given in certified clinics. Ketamine for depression, by contrast, is typically given as an IV infusion and is used off-label.

Spravato is a treatment, not a cure. Many patients experience meaningful symptom relief, and some reach remission, but results vary from person to person. Most people use Spravato as part of a broader plan. That plan may include ongoing medication management, therapy, and healthy daily routines.

Yes, and many providers encourage it. Spravato may make it easier to engage in therapy by easing the heaviness of depression. Therapy, in turn, helps you build coping skills that support lasting progress. Let both your therapist and your Spravato provider know you are working with each other.

Spravato has a potential for misuse, which is one reason it is a controlled substance given only under supervision in a certified clinic. Because you never take it home and every dose is monitored, the risk of misuse is carefully managed. Your provider will also ask about any history of substance use before starting treatment.

Spravato is FDA-approved for treatment-resistant depression. It is also approved for depressive symptoms in adults with major depressive disorder who have suicidal thoughts or actions. It is not FDA-approved for anxiety disorders, PTSD, or other conditions. If you live with anxiety alongside depression, your provider can explain which treatments are best supported for your situation.

10. What to Do Next

If you are still asking “how does Spravato work for someone like me?”, the best next step is a conversation with a qualified provider. They can review your medication history and symptoms with you. Peculiar Wellness Center offers psychiatric evaluations and Spravato treatment. You can reach the team through the contact page with any questions before booking.

If you are in crisis or having thoughts of harming yourself, call or text 988 to reach the Suicide & Crisis Lifeline, or call 911.

Key Takeaways

  • How does Spravato work? It targets glutamate, a different brain pathway than most antidepressants.
  • Spravato is an FDA-approved esketamine nasal spray for adults with treatment-resistant depression.
  • It helps the brain rebuild connections between nerve cells in areas that regulate mood.
  • Every dose is given in a certified clinic, with at least two hours of monitoring afterward.
  • Treatment starts twice weekly, then tapers to the lowest frequency that keeps symptoms under control.

STILL WONDERING IF SPRAVATO IS RIGHT FOR YOU? THAT IS EXACTLY WHAT YOUR EVALUATION IS FOR.

A provider can walk you through your medication history and answer your questions about Spravato. Together, you can decide whether it fits your treatment goals.

Disclaimer

The information in this article is for educational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. Individual results vary. All decisions about depression treatment should be made in consultation with a qualified provider.