Our expert says:
It is very difficult for me to give you an opinion without knowing exactly what the reason for the operation was and which nerves where affected and exactly what he did with the operation - the pain in the bottom could be referred pain from an irritated nerve root ( due to swelling maybe?) Back operations aren't easy and straight forward but I think you should let your doctor know what you are experiencing - it may be "normal" for 3 weeks after the operation. Just remember that you need to follow instructions after a back operation 100% otherwise you can undo the repair done with the operation.
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