The short version
- Ketamine for anxiety is off-label — no FDA approval exists for any anxiety disorder.
- Meta-analyses of small randomized trials report short-term anxiolytic effects, with several studies focused on treatment-resistant anxiety.
- Evidence quality is lower than for depression; trials are fewer and smaller.
- Anxiety symptoms sometimes improve as part of a depression response, making it hard to separate the two.
- Screening matters: ketamine's dissociative effects can be destabilizing for some patients with panic or trauma histories.
The current evidence
Research into ketamine for anxiety grew out of its depression results. A 2021 systematic review and meta-analysis of randomized trials in refractory anxiety-spectrum disorders, and a broader 2023 transdiagnostic meta-analysis, both found short-term anxiolytic effects after acute low-dose ketamine. The trials are small and heterogeneous, so the honest summary is promising but preliminary.
Why evidence is harder to read than in depression
Anxiety and depression overlap heavily. In many trials, anxiety improved alongside depressive symptoms, and it is difficult to prove ketamine treated anxiety independently. Trials focused specifically on generalized anxiety disorder, social anxiety, and panic disorder remain few.
How clinics actually use it
Because nothing is approved, clinics borrow depression-style protocols: a screening consultation, an induction series of IV infusions (or occasionally IM), symptom tracking with standardized scales, and maintenance only if measurable benefit appears. Reputable providers are explicit that this is off-label and will discuss the alternatives — SSRIs and SNRIs, CBT, and other established treatments — before starting.
Safety and who should be cautious
Ketamine raises blood pressure and heart rate, causes dissociation, and carries the same abuse and misuse risks described in the FDA's esketamine label. People with uncontrolled hypertension, unstable heart disease, psychosis history, or active substance use disorder are generally not candidates. Sessions must be monitored, with transportation arranged afterward. If anxiety is part of a crisis, call or text 988.
What a course of treatment looks like
- 1
Consultation and eligibility
A qualified healthcare professional reviews your diagnosis, treatment history, medicines, and safety risks before determining which treatment approach, if any, is appropriate.
- 2
Pricing, and coverage if it applies
IV, IM, and oral ketamine are off-label and usually self-pay, so ask for a written price for the full course. Only SPRAVATO® (esketamine) is commonly insurance-covered, typically after prior authorization.
- 3
A monitored treatment visit
Depending on the route, you receive an IV infusion, an IM injection, or a supervised oral dose — or, for SPRAVATO®, self-administer the nasal spray — while staff monitor your vital signs.
- 4
Recovery and a ride home
You rest until the effects wear off (at least two hours after SPRAVATO®). Arrange a ride home and do not drive until the next day after restful sleep.
- 5
Individualized follow-up
The prescriber assesses benefit, tolerability, and ongoing need, including whether maintenance sessions make sense for you.
Eligibility
Could ketamine treatment be an option to discuss?
A clinic confirms all of this at your consultation. Use it to see whether a consultation is worth booking.
- A diagnosed anxiety disorder — generalized, social, panic, or related — that has not responded to standard treatment
- Review of heart and blood-pressure health before starting
- No current psychosis or unstable substance use disorder
- Comfort with possible temporary dissociation during dosing
- Ability to attend monitored in-person sessions and arrange a ride home
Questions people ask
Does ketamine help anxiety?
Systematic reviews and meta-analyses of randomized trials report that single low-dose ketamine treatments reduced anxiety symptoms short-term, including in treatment-resistant anxiety. The evidence base is much smaller than for depression, and effects are short-lived without follow-up treatment.
Is it approved for anxiety?
No. Esketamine (SPRAVATO®) is approved only for specific depression populations. Ketamine for anxiety in any route is off-label, meaning a prescriber may use it but insurers generally will not pay.
Can ketamine make anxiety worse?
The dissociative experience during dosing can feel alarming, and some patients with panic disorder find it distressing. Clinics screen for this, start with lower doses, and keep sessions monitored for exactly this reason.
How would a clinic combine it with therapy?
Commonly, ketamine sessions are paired with ongoing psychotherapy, on the theory that a more open cognitive state may help therapy work. This combination, sometimes called ketamine-assisted psychotherapy, is itself off-label and not standardized.
Other conditions we cover
Treatment-resistant depression
Depression that has not responded adequately to at least two oral antidepressants. Esketamine nasal spray (SPRAVATO®) is FDA-approved for this use in adults; IV, IM, and oral ketamine are off-label options that many clinics offer.
Depression (major depressive disorder)
Ketamine-based treatments act on glutamate, a different pathway from traditional antidepressants, and can work within hours to days for some patients. Only esketamine is FDA-approved, and only for specific depression populations; other routes are off-label.
PTSD
Ketamine is being studied and used off-label for post-traumatic stress disorder, with early trials suggesting rapid but temporary symptom reduction. Esketamine is not approved for PTSD, and treatment should be coordinated with trauma-focused therapy.
Chronic pain
Ketamine is an FDA-approved anesthetic, but its use for chronic pain conditions — neuropathic pain, complex regional pain syndrome, fibromyalgia — is off-label. Evidence is mixed, with some support for neuropathic and CRPS pain.
OCD
Early research on ketamine for obsessive-compulsive disorder shows mixed and short-lived results in small trials. It remains off-label and experimental — standard care is still exposure-based therapy with SSRIs.
Ketamine treatment centers near you
Browse clinics by town or county, or read more about treatment in United States.
This guide is general information, not medical advice. Only a prescriber who knows your history can say whether ketamine treatment, including SPRAVATO® (esketamine), is right for you. If you are in crisis, call or text 988.