Being 40 your backache and neckache may need not to be due to your high uric acid only. That may be because of other reasons too. Treat your hyper uric acid level by an ortho. Doc's and a dietician's advice. Meanwhile, sleep on a hard bed with thin mattress, use commode, local heat with a pain
gel after fomentation, pain killers for 5 days and rest for 3-5 days if your problem is bothering your routine life.