Lower back pain. To upward of back?

Sir I have acute back pain I have contacted orthopedic siliguri doctor and undergoes all blood test and x-ray finally said I have uric acid I.e 7 ....Given medicine for 3month uric acid lows down to 3.5 but pain continues no improvement Then contacted neurologist does MRI and again all types of blood test even contacted physiotherapy does exercises for 3month neurologist says result is fine in MRI no problem and said it's not my case contact to physician Or rheumatologist contacted of no use. Sir last 3year I have been traveling by byke for 50k.m for my job  from there may be pain started first it's mild then last 1.5 year it's become acute however I'm in rest for last 1.5year bcoz of work from home due to corona Plz guide what should I do now if required I can furnish you all reports of blood test x-ray and MRI One more thing about pain is it's in particular area that is in back only no other joint pain it's at the low back pain and it's sides to upward of back