Emerging / mixed
A neck-level sympathetic nerve block used for hyperarousal. A procedure, not talk therapy, not TMS, not HBOT.
Growing clinic use, including veteran programs. Evidence still mixed. Not first-line.
Civilian interventional clinics and some military/veteran programs. Ask who injects and how many times.
Procedure risk is real. Pair it with a plan, not a single shot and a plane ticket.
Evidence reviewed September 2026. Named sources are being added room by room; start with VA/DoD PTSD guideline (2023) for first-line care.
