I have had four SGBs now. The first (right side) helped significantly with my lungs and upper chest tightness. After 3 years of long-COVID, within 24 hours of block, could take a deep breath for the first time. I had to learn to breathe again because I had tight chest for so long, having that suddenly lifted felt weird. I have since had a left side 6 months after the first, and a left and right spaced two weeks apart two months ago (8 months after the second). The subsequent blocks have not helped as much. My fatigue is still the same, maybe some very moderate relief but only two weeks after. My episodes of intense symptoms are shorter now, but not sure if that is from blocks or just passing of time. For whatever reason, the blocks on the right side helped and the ones on the left did nothing.

I had to fight to get insurance to cover, but I connected with a non-profit healthcare/patient advocacy group to help and compiled a letter citing research on SGB and explaining their is no FDA approved treatment, so by denying me because SGB is experimental, they are denying me all treatment for long COVID because all is experimental. Overall it is very worth a try in my book!