I worked in a world-renowned pain hospital in Arizona during my residency in the late 1990s and a year and a half after in neurology and orthopaedic medicine clinic where I focused on pain management. My tools of choice for this condition was a combination of LDN and acupuncture or LDN and Frequency Specific Microcurrent. I found it to be incredibly helpful and know this approach continues to be used today. So yes, it can be used for CSS.
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