I have a damaged lower discs in my back and very severe sciatica, i have suffered with it for the past 7 yrs and now, it is totally unbareable. It has totally taken over my life, cant sit,walk sleep the pain is agonising. Numbness, burning constant pulling sensation in bum down leg, calf and ankle.Have tried all forms of medication and treatments with no help. Im down for a disc removal by keyhole surgery in March which i am really praying will help me, iv been told that the op will not fix my back but will relieve the nerve pressure which is causing the pain in the left leg. Can anyone, who has had this op be able to tell me, what the op is like, i appreciate that all ops are un pleasant but just how painful and what should i expect as im terrified of the op but need it done quick as im at wits end and cant carry on anymore like this.