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A nerve root block is sometimes recommended as an alternative to an epidural.

They are administered in an operating theatre. You will usually be sedated briefly.

The actual procedure only takes a few minutes, but you will be in hospital for a few hours

The diagram below shows what is known as a far lateral disc herniation.

This is often more uncomfortable than more common variants of disc herniation, with pressure being applied to a very sensitive part of the nerve root  

A far lateral disc 
A nerve root 
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