"Aberdeen pain clinic"

I suffer from fibromyalgia and have had such chronic pain in my back waited 2 years for app due to circumstance have been getting worse so was issued with wheelchair but according to pain clinic it is athritis as the pain goes shooting down to my knee   so on tramadol pregabalin nuproxen ect have heart condition long qt 1 but asked for injection in back to relieve pain they said they could not give me anything else oh sorry a tens machine still waiting any ideas if injections would ov got my mobility back