Hi welcome to the boards though I am sorry for what you are facing. Have you seen a rheumatologist? They are often seen when one may have fibromyalgia and to rule out other conditions that could have similar symptoms. I know a few people with fibromyalgia and RSD I think some are from the boards so hopefully they will come along. Many with rsd though have multiple conditions like myself I have PN and RSD. I am not familiar with the block name you had. Did you feel any benefit?