I'm on the road way behind you but I too can not lie on my back. In my case I'm confident an infection is creating inflammation that is eating up my spine. The worst places are were there has been injury and strain, which opens the door to chronic infection. I anticipate surgery one day too.
Stay strong!
HLA-B27 neg, vague AS symptoms in 20s and early 30s
1993:fibromyalgia (age 25)
2013.07:Reverse blockage in a SCUBA accident
2013.08:Scratched by a sick cat
2013.09:Strange sore throat then meningitis
2014:Chronic inflammation at the base of the skull
2014 to early 2015:excess NSAID use developed complete axial inflammation, included psoriasis
NSD helped well and but was not perfect
2018.07: weak +'ve tests for borrelia, babesia, bartonella and mycoplasma pneumonia using Armin Lab, ANA=equivocal
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