I can't help, but I wonder if a chiropractor might be able to advise (both on the back pain and the best mattress for you?)
Daniel at the Dulwich Chiropractic Clinic in Crystal Palace Road is excellent, and has many recommendations on here.
I hope your back improves, back pain is horrible.
Edited 1 time(s). Last edit was 2019:09:25:19:31:44 by Sue.