Why People Choose Ketamine
- Aubrey Verdun, MD

- Jul 16
- 5 min read
Updated: Aug 26
The Evolving Role of Ketamine
Asking "why do people take ketamine" leads us to a fascinating intersection of traditional anesthesia and innovative mental health treatment. Ketamine, once primarily known as a surgical anesthetic (or unfortunately as a recreational substance), has undergone a remarkable transformation in medical circles. Today, healthcare providers and patients alike are exploring ketamine's therapeutic potential for conditions that have traditionally been challenging to treat. As a mental health professional, I've witnessed firsthand how ketamine treatments have opened new doors for patients who previously found limited relief with conventional approaches.

The Medical Evolution of Ketamine
From Operating Room to Treatment Innovation
Ketamine's journey began in the 1960s as an anesthetic agent, valued for its unique safety profile. Unlike other anesthetics, ketamine maintains respiratory function while providing effective pain relief and sedation. This fundamental property explains why people take ketamine in surgical settings worldwide, particularly in resource-limited environments or emergency situations.
The medication's interaction with the glutamate system—specifically as an NMDA receptor antagonist—creates its distinctive effects. This mechanism of action, different from traditional antidepressants that target serotonin or norepinephrine, offers a new pathway for treatment in psychiatry.
Treatment-Resistant Depression: A Primary Reason People Take Ketamine
Breaking Through Treatment Barriers
Perhaps the most compelling reason why people take ketamine today is for treatment-resistant depression (TRD). For individuals who have tried multiple antidepressants without adequate relief, ketamine represents a beacon of hope. Traditional antidepressants typically require weeks to months to take effect, if they work at all for these patients.
Ketamine, by contrast, can produce rapid antidepressant effects—sometimes within hours or days. This quick response can be life-changing for those experiencing severe depression, especially with suicidal ideation. The medication appears to rapidly form new neural connections, effectively "rewiring" brain circuits involved in mood regulation.
As one patient metaphorically described it, "Traditional antidepressants felt like slowly turning up the dimmer on a light, whereas ketamine was like someone suddenly opening the curtains to let sunshine flood in."
Anxiety Disorders and PTSD: Finding Relief
Calming the Storm Within
Another significant reason why people take ketamine involves its potential benefits for anxiety disorders and PTSD. These conditions often feature hyperactive fear circuits that ketamine may help modulate. The medication's ability to promote neuroplasticity—the brain's capacity to reorganize itself—may help patients process traumatic memories differently.
For PTSD patients specifically, ketamine may offer a unique opportunity to address memories that feel perpetually present. By temporarily altering consciousness during treatment, some patients report gaining new perspectives on traumatic experiences without becoming overwhelmed by them.
Chronic Pain Management: Beyond Traditional Approaches
Addressing Pain's Complex Nature
Chronic pain represents another answer to why people take ketamine in medical settings. For individuals with conditions like complex regional pain syndrome, fibromyalgia, or neuropathic pain, ketamine offers an alternative when traditional pain medications fall short.
At sub-anesthetic doses, ketamine can interrupt pain signaling pathways and potentially reduce central sensitization—the process by which the central nervous system becomes increasingly reactive to pain signals over time. For some patients, this interruption provides a window of relief that traditional pain medications cannot achieve.
The potential for ketamine to address both pain and comorbid depression simultaneously makes it particularly valuable in chronic pain management, where these conditions frequently overlap.
The Ketamine Experience: What Patients Report
A Unique Therapeutic Journey
Understanding why people take ketamine requires acknowledging the subjective experience during treatment. At therapeutic doses, ketamine often produces a dissociative state—a feeling of detachment from one's usual sense of self or reality. Many patients describe this experience as:
A sense of emotional distance from problems
Increased psychological flexibility
Access to new perspectives on long-standing issues
A feeling of connectedness to something larger than themselves
These experiential elements may contribute to ketamine's therapeutic effects beyond its direct neurochemical actions. The psychological insights gained during treatment sessions sometimes catalyze meaningful changes in thought patterns that persist after the medication's direct effects have subsided.
Ketamine Treatment Formats: How People Take Ketamine
Various Administration Approaches
When discussing why people take ketamine for mental health, it's important to understand the various formats available. Each delivery method offers different benefits and considerations:
Intravenous (IV) ketamine infusions: Typically administered in clinical settings, offering precise dosing and immediate effects
Intramuscular (IM) injections: Less common but still used in some clinics
Intranasal ketamine: FDA-approved as esketamine (Spravato) specifically for TRD
Oral ketamine: Sometimes prescribed as troches or lozenges for at-home use between clinic sessions
The administration format often depends on the condition being treated, patient preferences, and provider protocols. The supervised nature of these treatments distinguishes medical ketamine use from recreational misuse—an important distinction when exploring why people take ketamine.
Potential Risks and Limitations
A Balanced Perspective
While exploring why people take ketamine for therapeutic purposes, responsible education requires acknowledging potential risks and limitations. Ketamine treatment isn't appropriate for everyone and may present challenges including:
Temporary dissociative effects that some find uncomfortable
Potential increases in blood pressure during treatment
The need for multiple treatments to maintain benefits
Questions about long-term effects with repeated use
Cost and accessibility barriers, as insurance coverage varies
Healthcare providers carefully screen patients before recommending ketamine, evaluating medical history, medication interactions, and psychological readiness for the experience. This careful approach maximizes benefits while minimizing risks.
The Future of Ketamine Therapy
Expanding Understanding and Access
Research into why people take ketamine and how it can best serve different patient populations continues to evolve. Current investigations are exploring:
Optimal dosing protocols for different conditions
Combining ketamine with psychotherapy for enhanced outcomes
Identifying biomarkers to predict treatment response
Developing new medications that target similar mechanisms with fewer side effects
As this research progresses, we may see expanded applications and improved protocols that make ketamine therapy more accessible and effective for those who could benefit.
Conclusion: A Nuanced View of Why People Take Ketamine
The question "why do people take ketamine" has evolved significantly from ketamine’s origins as simply an anesthetic agent. Today, ketamine represents a promising intervention for several challenging conditions, particularly treatment-resistant depression, anxiety disorders, PTSD, and chronic pain. Its unique mechanism of action and rapid effects offer hope for patients who haven't responded to conventional treatments.
As a mental health professional, I've witnessed how ketamine can serve as a catalyst—not just chemically in the brain, but in people's broader healing journeys. For some, it provides a critical window of relief that allows engagement with therapy and life changes that support long-term wellness.
If you're considering ketamine treatment, I encourage consulting with knowledgeable healthcare providers who can help you understand if this approach aligns with your specific needs and circumstances. Like any medical intervention, ketamine is a tool—one that works best when incorporated into a comprehensive treatment plan tailored to individual needs.
This blog provides educational information about ketamine in medical settings. It does not constitute medical advice. Always consult qualified healthcare providers regarding your specific health needs.



