For decades, depression treatment meant two things: talk therapy and pills that adjust brain chemistry over weeks. Those still help millions of people and remain the right first step. But if you have read our guide on treatment-resistant depression, you know that a large share of people do not get enough relief from that path alone. For them, a newer category of treatment has become part of mainstream psychiatry. This is a plain look at the three you are most likely to hear about.

Esketamine (Spravato)

Spravato is the brand name for esketamine, a nasal spray derived from ketamine. It was approved by the FDA in 2019 for adults with treatment-resistant depression, and later for depressive symptoms with acute suicidal thinking. It is meaningfully different from a normal antidepressant in two ways.

First, it works through a different brain system, glutamate, rather than the serotonin pathway most pills target. Second, some people notice a shift in days rather than the usual six to eight weeks. That speed is part of why it drew so much attention.

Because it can cause temporary side effects like dissociation or a rise in blood pressure, Spravato is not a prescription you fill at a pharmacy and take at home. You take it in a certified clinic and are monitored for about two hours afterward, and you cannot drive yourself home that day. It is typically given alongside an oral antidepressant, not instead of one.

Important Esketamine (Spravato) is FDA-approved and given under medical supervision. That supervision is a feature, not a red flag. It is what makes the treatment safe.

IV ketamine

Ketamine itself is an older anesthetic that, at lower doses, has shown rapid antidepressant effects in research and clinical use. When people talk about "ketamine infusions," they usually mean low-dose IV ketamine given in a clinic. Unlike Spravato, this use is considered off-label, meaning the drug is approved for anesthesia and used by clinicians for depression based on accumulating evidence rather than a specific FDA depression approval.

Practically, that distinction matters for two reasons. Off-label IV ketamine is often not covered by insurance, while FDA-approved Spravato frequently is. And protocols vary more between clinics. If you are weighing IV ketamine, ask directly about the provider's medical oversight, dosing, and monitoring.

TMS (transcranial magnetic stimulation)

TMS takes a completely different approach: no drug at all. During a session you sit in a chair while a device placed near your scalp delivers focused magnetic pulses to a region of the brain involved in mood regulation. It is FDA-cleared for treatment-resistant depression and has been in clinical use for years.

A typical course runs several days a week over several weeks. Sessions are short, you are awake and alert the whole time, and there is no anesthesia and no recovery period, so most people drive themselves to and from appointments and return to their day. The most common side effect is mild scalp discomfort or headache near the treatment site.

None of these is a magic bullet. They are additional tools for cases where the standard tools were not enough.

How to think about which one fits

You do not choose these off a menu. A clinician matches the option to your history, your insurance, your schedule, and your safety profile. A few honest generalizations can still help you ask better questions:

What to avoid

Be cautious with anyone promising a guaranteed cure, a single dramatic session that fixes everything, or at-home ketamine with little medical oversight. Real treatment for treatment-resistant depression is supervised, measured, and paired with ongoing care. If a program feels more like a spa package than medicine, slow down and ask more questions.

If you are in the St. Louis or St. Charles County area and want to know whether you are a candidate for Spravato or TMS, our recommended local provider focuses on exactly this.

Recommended Local Provider

Brain Recovery Centers

A doctor-supervised clinic in St. Charles County serving greater St. Louis. They provide FDA-approved esketamine (Spravato) and TMS for treatment-resistant depression and PTSD, with medical monitoring built in.

Most insurance accepted, including MO HealthNet.

Visit brainrecoverycenters.com

Disclosure: Brain Recovery Centers is our recommended partner for St. Louis area readers. Confirm coverage and candidacy directly with the clinic.