RE: what "醫療手段" are not good for the tail bone? Why? thx

"所處生理位置限製醫療手段,除了鎮痛,可又不宜長期服用。".

MM, "限製醫療手段" like what? What makes the tail bone position so unique? 

Thanks much,

請您先登陸,再發跟帖!