Epidural

[PussyCat]

[Epidural], n.: a shot to the [epidural] section of [the spine] using an inhumanely large needle which stays in place for 30 mins or more, causing intense pain and discomfort which will [linger] for days, may or may not reduce the risk of back surgery. The pain of this procedure can only be partially alleviated by watching Friends DVDs in your underwear.

[Julian]

On or around the dura mater, in particular (of an anaesthetic) introduced into the space around the dura mater of the spinal cord.

[Greta]

an anaesthetic (= a substance that stops you feeling pain) that is put into the nerves in a persons lower back with a special needle: