Block: I am presuming you are asking about an epidural steroid injection of L5-S1. Usually, the steroid begins to work in about 2-3 days. he block is usually done with a small amount of local anesthetic which may give a few hours of immediate relief.
Answered 10/20/2018
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4 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
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