Ben Medrano, MD
Understanding Ketamine Therapy for Pain Management
Chronic pain goes beyond physical discomfort—it's a mind-body challenge affecting millions of Americans. When pain sticks around longer than it should, it often results in depression and anxiety, creating a cycle that's tough to break.
For many people, traditional treatments just don't cut it. Enter ketamine therapy for pain management—a fresh approach that's providing an alternative option.
Ketamine addresses both physical pain and emotional distress in one go. How? By targeting the brain's NMDA receptors and essentially hitting the reset button on hypersensitive pain pathways. Research shows it can affect central sensitization—that process where your nervous system becomes a pain signal amplifier.
Ketamine also delivers rapid-acting mood-modulating effects that may help address the pain-depression cycle. JAMA Network Open published findings showing how ketamine's properties on mood may play a role in its pain-fighting mechanism.
If you're battling complex regional pain syndrome (CRPS), fibromyalgia, or neuropathic pain, ketamine therapy might be worth exploring when other treatments haven't provided adequate relief. Unlike opioids that often lead to tolerance issues, ketamine works differently and may potentially help reduce reliance on opioid medications.
What Makes Pain Management So Challenging?
Several factors make it particularly tricky:
Your brain gets overly sensitive—a process called central sensitization—where pain pathways become hyperexcitable, turning up the volume on pain signals through NMDA receptor activation. Over time, chronic pain literally rewires your neural circuits, making pain persist long after healing should have occurred.
Some conditions are especially stubborn. Complex Regional Pain Syndrome (CRPS), fibromyalgia, and neuropathic pain often present significant treatment challenges. For many conditions, standard pain treatments show limited efficacy.
Traditional treatments come with their own challenges. Opioids can lead to tolerance (needing more and more), nerve blocks provide temporary relief, and physical therapy might not address central sensitization effectively.
Here's a sobering fact: chronic pain patients also experience significant depression—each condition potentially intensifying the other in a cycle.
The financial impact? Staggering. Chronic pain costs over $635 billion annually in the United States—more than heart disease, cancer, and diabetes combined.
How Ketamine Therapy for Pain Management Works—And Why It's Different
Ketamine therapy for pain management functions through a specific mechanism. Instead of working like opioids or NSAIDs, ketamine targets N-Methyl-D-Aspartate (NMDA) receptors. By blocking these receptors (major players in pain signaling), ketamine may interrupt the pain amplification cycle.
Ketamine's pain-fighting approach is multifaceted. It modulates glutamate, potentially affecting excitatory neurotransmitters. It may influence central sensitization, addressing the wind-up phenomenon—like adjusting a pain amplifier. Research shows it also provides anti-inflammatory effects and may enhance the body's natural pain-suppressing pathways. Ketamine promotes neuroplasticity, potentially affecting neural pain circuits.
Unlike antidepressants that take weeks to show effects, ketamine can produce changes within hours. Brain imaging shows ketamine can quickly affect pain control mechanisms that have been altered in chronic pain patients.
Ketamine comes in various forms—IV infusions, intramuscular injections, oral lozenges/troches, or nasal sprays—tailored to different clinical needs.
The mild dissociative state ketamine creates may facilitate changes in pain processing systems and offers a temporary shift from chronic pain awareness.
A notable aspect: ketamine addresses both pain and depression through shared pathways. By affecting synaptic connectivity and neural connections, ketamine may influence both pain perception and emotion regulation, making it a potential treatment for depression as well. This dual action makes ketamine a unique form of psychedelic medicine for mental health.
Integrating ketamine therapy with other therapeutic practices, such as psychedelic integration therapy, can enhance its effectiveness.
Unlike traditional pain medications, ketamine aims to normalize pain processing pathways with potentially longer-duration effects without the same tolerance concerns as some other medications.
Why Ketamine Therapy May Help with Pain Management
Ketamine therapy for pain management has been studied for several challenging-to-treat conditions. Research has examined its application for Complex Regional Pain Syndrome (CRPS), Reflex Sympathetic Dystrophy (RSD), with studies documenting effects on pain. Fibromyalgia research has investigated ketamine's impact on widespread pain symptoms. Those with neuropathic pain may benefit from ketamine's NMDA-blocking action that affects central sensitization. Conditions like migraines, phantom limb pain, and post-surgical pain have also been studied in relation to ketamine therapy.
Ketamine may influence pain memory by blocking NMDAR receptors, affecting the wind-up phenomenon, and potentially modifying pain pathways—similar to recalibrating neural circuits.
Research suggests that ketamine's pain effects may relate to its rapid action on mood, making it relevant for addressing the intersection of chronic pain with depression or anxiety.
Ketamine protocols for pain typically involve different dosages, infusion times, and scheduling compared to mental health treatments—it's specifically tailored for pain management applications.
Recent meta-analyses have examined ketamine's effects particularly for CRPS, with varying findings for neuropathic pain and ongoing research for fibromyalgia.
What to Expect from a Ketamine Therapy Journey
Curious about what happens with ketamine therapy for pain management? Let's walk through it:
Before starting, you'll undergo a thorough workup including medical history review, pain assessment, psychological screening, and medication review. This preparation helps create an individualized approach, ensuring you have a thorough understanding of ketamine therapy before starting.
Dosage is customized based on your condition, body weight, and individual factors.
Some providers offer at-home approaches, which may include digital tracking tools, telehealth check-ins, personalized dosage plans, and the convenience of avoiding clinic travel.
During treatment, you might experience a range of sensations. The dissociative effects where you feel detached from your surroundings are pharmacologically expected. Perception changes are common, with colors, sounds, or time seeming different than usual. You might notice physical sensations like changes in blood pressure or heart rate. And the potential pain-modifying effects, which are the primary therapeutic target.
Between sessions, integration practices like mindfulness, physical therapy, journaling, and lifestyle adjustments may be recommended to complement the treatment.
Progress is typically tracked using pain scales, functional assessments, medication usage tracking, and quality of life metrics—providing objective measures of response.
Healing Looks Different for Everyone—And That's Okay
The experience with chronic pain is unique to each individual—and approaches to treatment vary accordingly. Ketamine therapy for pain management continues to be researched, with varying responses observed in clinical settings.
Clinical studies reveal different response patterns: the timeline and degree of change can vary widely between individuals. Research continues to investigate which patients might be most appropriate for this therapy option.
Remember: your pain experience is legitimate, and exploring evidence-based options shows you're actively engaged in your healthcare, especially after trying conventional approaches.
Addressing chronic pain effectively requires a whole-person approach that considers both physical symptoms and emotional well-being. With many chronic pain patients also experiencing depression, treatment plans aim to address this complex intersection.
The journey through chronic pain management rarely follows a linear path—it often involves exploring various approaches to find what works best for each individual.
Take the Next Step in Your Pain Management Journey with Ketamine Therapy
Living with chronic pain doesn't have to be your forever story. As we've explored throughout this article, ketamine therapy represents a promising alternative when traditional pain management approaches fall short. By targeting NMDA receptors and addressing both the physical and emotional components of chronic pain, ketamine offers a unique dual-action approach that works differently than conventional pain medications.
For those struggling with conditions like CRPS, fibromyalgia, or neuropathic pain, ketamine therapy may provide relief where other treatments haven't succeeded. Its ability to potentially "reset" hypersensitive pain pathways while simultaneously addressing the depression that often accompanies chronic pain makes it particularly valuable in breaking the pain cycle.
How Does Innerwell Help Patients with Chronic Pain?
At Innerwell, our primary focus is mental health care, including depression, anxiety, trauma, and related conditions. While many patients living with chronic pain also struggle with these mental health challenges, and may find meaningful relief through ketamine-assisted therapy, we do not treat physical pain as a primary condition.
Our clinical approach is centered on mental health outcomes, not pain management. That means our psychiatric clinicians and licensed psychotherapists are trained and licensed specifically in psychiatric care—not in pain medicine or pain specialty fields. We’re here to help patients process emotional suffering, unlock mental wellness, and support healing through both traditional treatments and psychedelic-assisted therapy.
That said, there is a growing body of research suggesting that ketamine may reduce the emotional burden of chronic pain by addressing comorbid mental health conditions like depression, which often amplifies pain perception. Some Innerwell patients who live with chronic pain do report improvements in how they feel day-to-day—but this is considered a secondary benefit, not the primary goal of treatment.
If you’re seeking care for physical pain as the primary issue, we recommend working with a dedicated pain management specialist. If you’re experiencing both chronic pain and mental health challenges, you’re welcome to complete our intake screener and consult with a Psychiatric Clinician to explore whether our program could be an appropriate part of your broader care plan.