Complex regional pain syndrome, or CRPS, is considered by some pain specialists to be among the most severe chronic pain conditions a person can experience — the McGill Pain Index has ranked it above childbirth, amputation, and most forms of cancer pain. Standard treatment approaches, including nerve blocks, physical therapy, opioids, and conventional neuropathic pain medications, produce inconsistent results, and many patients with CRPS spend years cycling through treatments without adequate relief. At Nova Health Recovery in Alexandria, Virginia, we have worked with patients struggling with CRPS who found their way to ketamine therapy after exhausting many other options, and we believe they deserve a thorough, honest explanation of what the treatment involves and what the evidence suggests.
Understanding CRPS and Its Neurobiological Roots
CRPS is a chronic pain condition that typically develops following an injury — a fracture, a sprain, a surgical procedure, or sometimes a minor trauma — and then persists or intensifies far beyond what would be expected from the original injury itself. The hallmarks of CRPS include continuous burning or aching pain, extreme sensitivity to touch and temperature, skin color and texture changes, swelling, and altered sweating patterns in the affected limb. Two subtypes exist: CRPS Type I, which occurs without a confirmed nerve injury, and CRPS Type II, which involves demonstrable nerve damage. Both are characterized by a disordered central and peripheral nervous system response that amplifies pain signals far out of proportion to any ongoing tissue injury.
The neurobiological mechanism that makes CRPS so difficult to treat is also the reason ketamine has attracted interest as a therapeutic option. Central sensitization — a state in which the spinal cord and brain become hypersensitive to pain signals — is now understood to be a core feature of CRPS. NMDA receptors, which are glutamate receptors in the central nervous system, play a major role in maintaining and amplifying this sensitization. Ketamine is a potent NMDA receptor antagonist, meaning it blocks the receptor that sustains central sensitization. This is a pharmacologically different mechanism from opioids or most conventional pain medications, and it is why ketamine has shown clinical promise in pain conditions where those medications have failed.
Treatment at Nova Health Recovery
At Nova Health Recovery, ketamine infusions for CRPS are overseen by Dr. Christopher Sendi, a board-certified psychiatrist with board certifications that also include pain management, emergency medicine, and internal medicine. Dr. Sendi brings a multidisciplinary perspective to CRPS treatment that is relatively unusual in a single provider. For pain indications, infusion protocols are typically higher in dose and longer in duration than those used for depression, and Dr. Sendi personalizes each protocol based on the patient’s presentation, duration of illness, and prior treatment history.
The clinical evidence base for ketamine in CRPS, while growing, is not as large as for depression, and we want to be precise about what it shows. Several small controlled trials and a number of case series have documented meaningful pain reduction following ketamine infusions in CRPS patients, with some reporting sustained relief lasting weeks to months. A landmark study — the “Outpatient Ketamine” protocol — demonstrated significant improvement in functional pain scores in a substantial proportion of patients. However, response is not universal, duration of benefit varies, and repeat infusions are often necessary to maintain improvement. Results vary by individual, and we discuss this candidly during every CRPS consultation.
One barrier that patients with CRPS often raise is uncertainty about whether their condition is “severe enough” or “the right type” for ketamine. CRPS varies enormously in presentation and severity, and some patients arrive having been told that ketamine is a last resort or that it is only appropriate in the most extreme cases. Our view is that candidacy is determined by a thorough clinical evaluation, not by thresholds of severity. If you are living with significant functional impairment from CRPS and have not found adequate relief, a conversation about ketamine treatments in Alexandria, VA is reasonable at any stage of that journey.
The second barrier is the practical concern of logistics. CRPS patients may have significant difficulty with travel, with sitting in a clinical environment, or with the unpredictability of their pain from day to day. We want to acknowledge that reality directly. Dr. Sendi offers telemedicine follow-up and is available outside standard business hours. We work with patients to make the logistics of initiating and maintaining a ketamine protocol as manageable as possible. Our goal is to remove barriers to care, not add to them.
For patients in Virginia and the greater Northern Virginia and Washington D.C. region who are living with CRPS, we encourage you to consider a consultation at Nova Health Recovery. Discuss with your provider whether IV ketamine therapy is an appropriate addition to your current pain management plan. To take the first step, contact us to schedule a consultation with Dr. Sendi.
Frequently Asked Questions
How does ketamine help with CRPS pain?
Ketamine blocks NMDA receptors, which are central to the process of central sensitization — the spinal cord and brain hypersensitivity that sustains and amplifies CRPS pain. By interrupting this cycle, ketamine may reduce the intensity of pain signals processed by the central nervous system.
How many ketamine infusions are typically needed for CRPS?
CRPS protocols often involve a series of longer, higher-dose infusions compared to depression protocols. The specific number and duration depend on the patient’s clinical presentation. Some patients benefit from a single series; others require periodic maintenance infusions.
Is ketamine for CRPS covered by insurance?
Coverage varies by insurer and by individual plan. Some insurance plans have covered ketamine infusions for pain indications in specific circumstances. We encourage patients to contact their insurer and to discuss the financial aspects of treatment during their consultation with us.
Can ketamine help with other chronic pain conditions in addition to CRPS?
Yes. At Nova Health Recovery, we treat a range of chronic pain conditions including fibromyalgia, chronic neuropathic pain, and migraine with ketamine therapy. Candidacy depends on the specific condition and clinical history.
Will ketamine cure my CRPS?
Ketamine is not a cure for CRPS. It is a treatment that may significantly reduce pain and improve function in appropriate candidates. Results vary by individual, and the durability of benefit depends on the patient’s response, maintenance strategy, and integration with other aspects of their care.
Key Takeaways
- CRPS is driven in part by central sensitization, a neurobiological state in which NMDA receptors sustain abnormal pain amplification — ketamine blocks these receptors by a mechanism distinct from opioids.
- IV ketamine for CRPS is overseen at Nova Health Recovery by Dr. Christopher Sendi, who holds board certifications in pain management, psychiatry, and internal medicine.
- Clinical evidence supports meaningful pain reduction in a significant proportion of CRPS patients following ketamine infusions, though results are not universal and vary by individual.
- CRPS protocols typically involve higher doses and longer infusion durations than depression protocols; personalization is essential.
- Discuss with your provider whether IV ketamine is an appropriate component of your CRPS treatment plan.
Conclusion
CRPS is a condition that can isolate, exhaust, and diminish quality of life in ways that are difficult for those who have not experienced it to fully appreciate. At Nova Health Recovery, we bring a serious, multidisciplinary approach to every CRPS patient we evaluate — one that is honest about what ketamine can offer, rigorous about safety, and committed to working within each patient’s broader care plan. If you are in the Alexandria, Virginia area and want to explore whether IV ketamine therapy might offer relief from CRPS, we invite you to reach out and discuss your options with a provider qualified to evaluate your specific situation. You can also learn more about how psychedelic therapy may help treat chronic pain in our blog.
About Dr. Christopher Sendi
Dr. Christopher Sendi, MD is a board-certified psychiatrist with over 25 years of experience in addiction treatment, depression therapies, and IV ketamine for pain and mood disorders. He is board certified in addiction medicine, obesity medicine, internal medicine, emergency medicine, and pain management. Dr. Sendi graduated from Georgetown University Medical School (MD, 1992) and has special interests in the application of ketamine infusions for the treatment of depression, PTSD, anxiety, pain, CRPS, Lyme disease, and neuropathies. He leads Nova Health Recovery in Alexandria, Virginia, offering IV ketamine, ketamine-assisted psychotherapy (KAP), at-home oral ketamine lozenges, ketamine nasal spray, and Spravato, as well as IV NAD+, IV vitamin therapy, and integrated addiction medicine services. Dr. Sendi provides telemedicine follow-up and is available outside standard business hours to accommodate patients’ schedules.
References
Reflex Sympathetic Dystrophy Syndrome Association (RSDSA) — https://rsds.org
Mayo Clinic, Complex Regional Pain Syndrome — https://www.mayoclinic.org/diseases-conditions/crps/symptoms-causes/syc-20371151
National Institute of Neurological Disorders and Stroke, CRPS — https://www.ninds.nih.gov/health-information/disorders/complex-regional-pain-syndrome
International Association for the Study of Pain — https://www.iasp-pain.org
Medical Disclaimer
The information in this article is provided for educational purposes only and does not constitute medical advice. IV ketamine therapy for CRPS at Nova Health Recovery is supervised by a licensed physician; however, individual results vary and this content should not be interpreted as a guarantee of any outcome. Please consult a qualified healthcare provider to determine whether IV ketamine therapy is appropriate for your specific circumstances.