"Ridiculous waiting time for pain clinic follow..."

As the above statement says, i had an epidural injection in plane tree in january 15. the pain relieving effects lasted 6wks this is the 2nd time i have had this procedure(1st time in london independent) well i was followed up after about 4mths with a phone consultation with a nurse. explaned i am in extreme pain(have been back to gp who said nithing more they can do i need to go back to pain clinic) i was told they would put me forward for nerve ablation an send me app. app came for app in november 15 for pain clinic app with doctor. i could cry with the pain im getting no where when will some one help me . how long am i expected to be in agony wht do i have to wait so long will some one please tell me.