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How long for nerve root block to start working ?

PaininfootPPaininfoot Posts: 35
edited 06/29/2015 - 7:43 AM in Pain Management
I have had about four of these in the past and three of them worked very well - they mostly started to kick in pretty quickly. I had a microdiscectomy three weeks ago and a MRI shows that the S1 nerve root is inflamed . So I had another nerve root block five days ago but there is no sign whatsoever of it reducing the pain ( which is in my foot) Do they take longer to work after surgery I wonder ? I'd appreciate your thoughts !


  • To expect post injection? If you have had them previously and they were helpful, then you already know the time frame post injection if it is going to help.
    Are you sure that it was a nerve block and not an esi injection instead?

  • But he said it was for a 'different problem' (inflamed nerve) than the problem ( herniated disc) I had pre-op.. That is why I thought time frame could be different .
  • Has the same time frame ,no matter what the problem is. It sounds like he did an epidural steroid injection for an inflamed nerve, which can take several days to start working, for the steroid to start taking effect.
    For inflammation an esi is the typical injection done.
    I think that if I were you, and it isn't helping , I would call and ask to make sure what type of injection was done, and how long it should be before you know if it's going to help, unless you have the paperwork from the procedure. That should tell you what was done.

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