Had medial branch denervation in October, felt great the first eight weeks or so however around about Christmas time my lower back pain returned. Ive been diagnosed with degeneration of the facet joints, l4 and l5. Does this mean the deneravation has been unsuccessful or am I still in recovery. My usual painkillers dont seem to help at all now, cocodomal.  Also have tailbone pain, seems to be some debate between doctors as to where this is referred pain or a difficult issue and subsequently is ignored completely.
The only solution which is a basic principle in such lumbosacral vertebral degeneration/ spondylosis/ arthritis or for that matter whole of the inter vertebral joints is to maintain intervertebral gap. If that gap is reduced by whatever disease or causes as explained above, the nerves originating/ emanating from those sites get compressed. Whole nerve or part thereof - medial or lateral filaments - where ever they supply, pain is bound to take place. Enervation is only removal of feeling of pain and not the real treatment. Surgeons have done their best and may do again. To my own patients I would have suggested getting the support of Ayurveda medicine at some good Ayurveda hospital. There are no painkillers in Ayurveda, but cause may be tried to be managed by Panchakarma techniques. May also make use of International Day of Yoga on 21 June where you can learn 35 minute package free if cost. This will be all over world. Hope it helps you well.