Ketamine is a prescription medication that has been used as an anesthetic for decades. At lower doses, it can produce rapid antidepressant effects and changes in perception, attention, emotion, and one’s ordinary sense of self.Generic ketamine is FDA-approved as an anesthetic. Its use for depression and other psychiatric conditions is generally considered “off-label,” which is a common and lawful medical practice when clinically appropriate. Esketamine, marketed as Spravato, is a related medication with specific FDA-approved psychiatric indications.

Ketamine-assisted psychotherapy, or KAP, combines ketamine treatment with an ongoing psychotherapeutic process. At Open Field, the medicine is not treated as a stand-alone intervention. Therapy helps clarify the purpose of treatment, support the person during the experience, and explore how emerging insights or shifts in perspective relate to everyday life.Research on KAP is promising, but protocols vary considerably and the evidence is not yet strong enough to conclude that one particular KAP model is superior or that psychotherapy always improves outcomes beyond ketamine alone.

Ketamine affects the brain’s glutamate system, including NMDA and AMPA receptor activity. Its antidepressant effects appear to involve several downstream processes associated with synaptic functioning, neuroplasticity, and the brain’s capacity to form or strengthen new patterns.Its psychological effects may temporarily loosen habitual ways of thinking, feeling, and understanding oneself. The exact relationship between these biological changes, the subjective experience, psychotherapy, and longer-term improvement is still being studied.

The strongest evidence is for major depression, particularly depression that has not responded adequately to conventional treatments. Ketamine can also reduce suicidal thinking rapidly in some patients, although continued treatment and careful follow-up remain essential.Ketamine and KAP are also being studied for post-traumatic stress, substance-use disorders, anxiety-related conditions, obsessive or ruminative patterns, chronic pain, and other difficulties. Evidence for these uses varies and is less established than the evidence for depression.

Open Field is a psychotherapy practice offering ketamine treatment within a relational, multidisciplinary model of care.We pay close attention to each person’s history, subjective experience, relationships, established patterns, and emerging developmental needs. The aim is not simply to produce an altered state. It is to understand what the experience reveals and help translate greater openness, perspective, or self-compassion into meaningful change.Psychotherapeutic and medical roles remain distinct but coordinated throughout care.

Many people report some combination of:greater distance from repetitive thoughts or familiar self-criticism;a wider perspective on personal history and current difficulties;increased self-compassion or emotional access;a sense that entrenched patterns are less fixed or inevitable;greater awareness of relationships, values, choices, and possibilities. These experiences vary, and not everyone has them. Psychotherapy helps explore whether an experience has personal meaning and how it may inform choices after the session.

Ketamine can act rapidly, but the duration of benefit varies considerably. Some people experience relief for days or weeks, while others need a series of treatments or periodic maintenance. Some do not experience meaningful improvement.Long-term outcomes remain an active area of research. Treatment planning should include ongoing assessment rather than assuming that an initial response will automatically persist.

There is no single response percentage that accurately predicts an individual’s outcome. Results depend on diagnosis, severity, other treatments, medical factors, dosing, treatment setting, and how improvement is defined.Ketamine has demonstrated meaningful short-term antidepressant effects for many patients with difficult-to-treat depression, but it does not help everyone. Evidence specifically supporting KAP remains encouraging but preliminary, and controlled studies have not yet consistently shown that KAP is more effective than ketamine with other forms of support.

Ketamine has a long history of medical use and can be administered safely in appropriately screened and monitored patients. However, no medication is risk-free.Potential short-term effects include increased blood pressure and heart rate, dizziness, nausea, blurred vision, impaired coordination, anxiety, sedation, and dissociation. More serious complications are uncommon in properly supervised psychiatric treatment but remain possible.The FDA has specifically warned about risks associated with compounded ketamine used without adequate medical supervision, particularly in remote or at-home treatment models.

Ketamine has abuse and dependence potential. Ketamine-use disorder is well documented, particularly with frequent, escalating, or non-medical use.Risk is significantly contained with structured clinical treatment, where dosing, frequency, access, and response are monitored. Nonetheless, it would be inaccurate to say ketamine is never addictive. A history of substance-use problems does not automatically exclude someone, but it requires careful evaluation and treatment planning.

Repeated high-dose or frequent ketamine use has been associated with bladder and urinary-tract injury, liver problems, cognitive effects, tolerance, and dependence. The long-term risks of extended psychiatric treatment are still being studied.Clinicians monitor treatment frequency, total exposure, symptoms, and the continuing balance of benefit and risk. The above long term effects are primarlily associated with high dose, high frequency street use.

Ketamine may require additional caution or may not be appropriate for people with certain uncontrolled cardiovascular conditions, active psychosis, untreated mania, significant medical instability, some substance-use patterns, or other conditions identified during medical assessment.Trauma histories, dissociation, pregnancy, medications, and other psychiatric or medical factors also require individualized review. Eligibility is determined jointly through clinical and medical screening—not from a website checklist.

In appropriate circumstances, ketamine-assisted work may be offered with couples or groups. The medicine can make relational patterns and subjective experience more visible, while the shared setting can foster commonality, compassion, mutual recognition, and support.At Open Field we offer couples therapy KAP sessions. We are also interested in offer group KAP when we have enough patients interested and appropriate to create a structured KAP group. We require careful screening, preparation, boundaries, and clinical structure. Availability may vary.