welcum to healthcare magic
u hv lumbar spondilosis from 8 yrs, now u r feeling pain in tail bone.
better u go n take a suggetion of orthopaedician regarding tail bone becoz some time that bone is dislocated in some cases that condition is called coccydynia
. after proper diagnosis go n meet a physiotherapist for further treatment, in physiotherapy
there r so many electrotherapeutic modalities r thr that will reduce ur pain , start exercise to strenthen ur back under the guidance of physio only.
definitely ur pain will cum down