Stellate Ganglion Block for PTSD and Anxiety: What Bay Area Patients Should Know

Understanding Stellate Ganglion Block for PTSD and Anxiety

Post-traumatic stress disorder affects an estimated 3.6% of U.S. adults in a given year, and symptoms can range from intrusive memories and avoidance to hypervigilance, sleep disruption, and persistent distress (National Institute of Mental Health [NIMH], n.d.). Evidence-based PTSD care includes trauma-focused psychotherapies such as Cognitive Processing Therapy, Eye Movement Desensitization and Reprocessing, and Prolonged Exposure; some people, however, continue to experience significant symptoms despite prior treatment (U.S. Department of Veterans Affairs & U.S. Department of Defense [VA/DoD], 2023).

Stellate ganglion block (SGB), a nerve block procedure with a long history in pain medicine, has drawn growing interest as an emerging intervention for PTSD-related symptoms and anxiety. At Soft Reboot Wellness in Menlo Park, California, we offer Stellate Ganglion Block treatments for patients who may benefit from a physician-led evaluation of persistent fight-or-flight activation.

How Stellate Ganglion Block Works

The stellate ganglion is a collection of sympathetic nerves in the lower neck that is involved in regulating aspects of the body’s fight-or-flight response. An SGB involves injecting local anesthetic near this nerve cluster under image guidance.

The precise mechanism by which SGB may affect PTSD symptoms is not established. Researchers have proposed that temporarily interrupting sympathetic nerve signaling may influence stress-related pathways connected to brain regions involved in threat processing. A nerve growth factor-based explanation has also been proposed, but it remains a hypothesis rather than a confirmed explanation for how individual patients may respond (U.S. Department of Defense, 2021).

At Soft Reboot Wellness, SGB is performed using real-time ultrasound guidance. Dr. Sara Herman, MD, is a board-certified anesthesiologist and founder of Soft Reboot Wellness. Patients who want to understand whether PTSD is classified as a major mental illness and how that shapes treatment planning may find that background helpful before their consultation.

What the Research Shows for PTSD

The evidence base for SGB in PTSD is promising but still developing.

A 2016 randomized, double-blind trial did not find a significant difference between SGB and sham treatment for PTSD symptoms. A later multisite randomized clinical trial involving active-duty service members found that two SGB treatments, administered two weeks apart, were associated with greater reductions in PTSD symptom severity over eight weeks than sham treatment (Hanling et al., 2016; Rae Olmsted et al., 2020).

Because the trials have produced mixed results and remain limited in size and follow-up duration, the 2023 VA/DoD Clinical Practice Guideline concluded that there is insufficient evidence to recommend for or against SGB for PTSD (VA/DoD, 2023).

That does not mean an individualized consultation lacks value. It means that candidacy, potential risks, realistic expectations, and established PTSD treatment options should all be part of the conversation.

For a deeper overview of this topic, see our article on Stellate Ganglion Block for PTSD.

What We Know About SGB for Anxiety

Research on SGB for anxiety is less developed than the PTSD literature. One published case series of 285 patients reported reduced anxiety scores after treatment, but case-series findings cannot establish that SGB caused the improvement or predict how another individual will respond (Lynch et al., 2023).

At Soft Reboot Wellness, anxiety-related symptoms such as hyperarousal, panic symptoms, chronic stress, and persistent fight-or-flight activation are evaluated in the context of each patient’s medical history, current medications, mental health care, and treatment goals.

SGB is not appropriate for every patient with PTSD or anxiety. A consultation is the appropriate setting to determine whether the procedure should be considered.

What the Procedure May Involve

SGB is an outpatient procedure and does not require general anesthesia. Patients remain awake while the physician uses ultrasound guidance to place a needle near the stellate ganglion and administer local anesthetic.

The injection itself is relatively brief, though the overall appointment includes preparation, monitoring, and recovery time. After treatment, patients may experience temporary effects such as drooping of the eyelid, facial warmth, dry throat, or mild hoarseness on the treated side. These effects are generally expected to resolve, but SGB is still an invasive procedure with potential risks that should be discussed in advance (Goel et al., 2019).

Soft Reboot Wellness asks patients to arrange transportation home after the procedure. Patients can learn more about practical preparation, the treatment environment, and recovery planning in our guide to what to expect with an SGB injection.

SGB Compared With Ketamine Therapy

A common question from Bay Area patients is how SGB compares with IV ketamine therapy for PTSD.

These are distinct interventions with different mechanisms, procedures, and evidence bases. SGB is a nerve block intended to affect sympathetic nervous system activity, while IV ketamine is a medication administered through monitored infusion. Neither option should be treated as interchangeable or as a replacement for established trauma-focused care.

Some patients may be candidates for one intervention and not the other. In some situations, Dr. Herman may discuss how different treatments could fit into a broader care plan. For a closer look at how ketamine has been studied in this context, our post on how ketamine infusion therapy is helping patients with PTSD provides useful background. However, there is not an established evidence base showing that a combined approach is appropriate or more effective for every person.

Schedule, Cost, and Expectations

SGB may be a practical consideration for people balancing treatment with demanding work or family responsibilities because it is performed as an outpatient procedure. Recovery instructions and return-to-activity timing are individualized.

Cost and insurance coverage are also important considerations. Insurance coverage for SGB related to PTSD or anxiety is not routine, so patients should receive clear information before deciding whether to proceed. Soft Reboot Wellness discusses SGB pricing during the consultation process.

Results vary by individual. Some patients report changes soon after treatment, while others may notice more gradual change or may not experience meaningful benefit. A second procedure may be discussed based on clinical response, but no patient should expect a guaranteed outcome.

For more information about timing and individual variation, read how long it can take an SGB to work.

FAQ

Is Stellate Ganglion Block FDA-approved for PTSD?
SGB is a procedure rather than an FDA-approved medication. Its use for PTSD or anxiety is an emerging clinical application, and the current VA/DoD guideline concludes that there is insufficient evidence to recommend for or against SGB for PTSD (VA/DoD, 2023).

Does the injection hurt?
The procedure includes local numbing medication, though patients may still feel pressure or brief discomfort. Temporary effects can include hoarseness, dry throat, eyelid drooping, facial warmth, or soreness at the injection site. Your physician should review both common temporary effects and less common procedural risks before treatment (Goel et al., 2019).

How many SGB procedures will I need?
The number of procedures is individualized. Some patients may discuss a second treatment depending on their response, symptom profile, and clinical assessment. No specific number of procedures is appropriate for everyone.

How quickly does SGB work for PTSD?
Response timing varies. Clinical trials have evaluated symptom changes over weeks rather than establishing a single expected timeline for every patient. Some people may notice changes earlier, while others may experience gradual change or no meaningful improvement.

Can SGB be combined with ketamine therapy?
A physician may discuss whether multiple interventions fit into your broader care plan. However, treatment decisions should be individualized, and current evidence does not establish a standard combined protocol for PTSD or anxiety.

Key Takeaways

• SGB is an image-guided nerve block procedure that may be considered for PTSD-related hyperarousal, anxiety, and persistent fight-or-flight activation.
• Research on SGB for PTSD includes mixed randomized trial findings, and current VA/DoD guidance concludes that evidence is insufficient to recommend for or against it for PTSD.
• Research on SGB for anxiety remains limited and is based largely on observational evidence.
• Soft Reboot Wellness offers ultrasound-guided SGB in Menlo Park under physician supervision.
• Candidacy, risks, timing, cost, and expected outcomes should be discussed during an individualized consultation.
• Results vary, and SGB should not be presented as a guaranteed or universal solution for PTSD or anxiety.

Conclusion

For Bay Area patients living with PTSD or persistent anxiety, Stellate Ganglion Block may be one option to discuss within a broader, individualized treatment plan. The procedure has generated meaningful interest, but current evidence still calls for careful patient selection, realistic expectations, and ongoing research.

At Soft Reboot Wellness in Menlo Park, Dr. Sara Herman provides physician-led SGB consultations and treatment using ultrasound guidance. To explore whether a consultation is appropriate for your situation, contact our team to schedule a consultation.

References

Goel, V., Patwardhan, A. M., Ibrahim, M., Howe, C. L., Schultz, D. M., & Shankar, H. (2019). Complications associated with stellate ganglion nerve block: A systematic review. Regional Anesthesia and Pain Medicine, 44(6), 669–678.

Hanling, S. R., Hickey, A., Lesnik, I., Hackworth, R. J., Stedje-Larsen, E., Drastal, C. A., & McLay, R. N. (2016). Stellate ganglion block for the treatment of posttraumatic stress disorder: A randomized, double-blind, controlled trial. Regional Anesthesia and Pain Medicine, 41(4), 494–500.

Lynch, J. H., Mulvaney, S. W., Bryan, C. J., & Hernandez, D. (2023). Stellate ganglion block reduces anxiety symptoms by half: A case series of 285 patients. Journal of Personalized Medicine, 13(6), 958.

National Institute of Mental Health. (n.d.). Post-traumatic stress disorder. https://www.nimh.nih.gov/health/statistics/post-traumatic-stress-disorder-ptsd

Rae Olmsted, K. L., Bartoszek, M., Mulvaney, S., McLean, B., Turabi, A., Young, R. A., & others. (2020). Effect of stellate ganglion block treatment on posttraumatic stress disorder symptoms: A randomized clinical trial. JAMA Psychiatry, 77(2), 130–138.

U.S. Department of Defense. (2021). Stellate ganglion block for posttraumatic stress disorder. Psychological Health Center of Excellence. https://health.mil/Reference-Center/Publications/2021/04/26/PHCoE-Evidence-Brief-Stellate-Ganglion-Block-for-Posttraumatic-Stress-Disorder-508

U.S. Department of Veterans Affairs & U.S. Department of Defense. (2023). VA/DoD clinical practice guideline for the management of posttraumatic stress disorder and acute stress disorder. https://www.healthquality.va.gov/guidelines/MH/ptsd/VA-DoD-CPG-PTSD-Quick-Reference-Guide.pdf

About Dr. Sara Herman

Dr. Sara Herman, MD, is a board-certified anesthesiologist and the founder of Soft Reboot Wellness. Her background in anesthesiology informs the individualized assessment, ultrasound-guided technique, and monitoring approach used for Stellate Ganglion Block procedures.

At Soft Reboot Wellness, Dr. Herman provides physician-led care for patients exploring interventional options for PTSD, anxiety, and nervous system dysregulation.

Medical Disclaimer

The content provided on this page is for educational purposes only and does not constitute medical advice. Stellate Ganglion Block may not be appropriate for every patient with PTSD or anxiety. Individual results vary, and this information should not replace a consultation with a qualified medical provider. Please discuss with your provider whether any treatment described here is appropriate for your specific health situation. Soft Reboot Wellness serves patients in Menlo Park, CA and the greater Bay Area.