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The original was posted on /r/cfs by /u/romano336632 on 2025-10-19 12:18:11+00:00.

Tdlr :" Testimony about the Stellate Ganglion Block (SGB). After 4 days, bad experience. Im in crash.

Hello, I wanted to share my experience with the Stellate Ganglion Block that I had 4 days ago, and offer a more cautious perspective on its effectiveness — at least for those of us who are more severely affected.

Last Wednesday, I had to take a 45-minute car ride to get there. I was lying down in the back seat. Before the block (done on the left side), the doctor gave me an IV infusion of ketamine to make me drowsy, along with a benzodiazepine (I had already taken one beforehand). The 45-minute drive back was tough — I was basically out of it.

That night, when I got up to use the bathroom, I couldn’t stand up — I felt faint immediately, and my heart rate shot up to 145 (it had been mostly under control in recent months thanks to a beta-blocker). The next day, my Garmin showed my stress level at the maximum, and I was completely unable to stand.

About 48 hours later, I suddenly felt some mental clarity and a burst of motivation and mental energy — but by the evening, I crashed again, as if I had the flu.

Yesterday (72 hours after), I was extremely tired and nauseous, barely managing fewer than 300 steps since the block (I was averaging around 1,000 before). Today, I’m still exhausted, with no improvement — actually worse than before the block.

I’m starting to deeply regret it. I’m supposed to have my second block either in a week or two, but I’ll wait, because I think it’s better to be in a moderate state before doing a block, not severe.

My heart rate wasn’t particularly high, and my blood pressure was normal. I did it mainly for long-COVID symptoms, low energy, and to try to rebalance my nervous system.

I’ll keep you updated — the negative experiences are also important to share.