Welcome to the forum Rain! Like PaLady I've had alot of injections but not sure what Sarapin is either. I'm also interested in more info. cause I too have lower lumbar issues.
DDD, osteoarthritis, fusion surgeries C-5/7 & L-4/5 both in 2006, torn meniscus left knee 2000 & 2002, buldging disc L-2/3