<s>[INST] My brother have pain in whole back with little bit pain in legs also he has heavy pain in left side as compare to right side.he is can t able to sit and lying.. What is the problem and how to diagnosis.the x-ray report is showing back is in good condition [/INST] HelloYour brother need proper clinical evaluation and investigations. Pain may be due to many reasons like visceral pathology, disc prolapse, arthritis,hypocalcemia etc. Investigations include routine hologram, random blood sugar, liver function test, renal function test, urine RE/ME, serum calcium level, MRI L/S spine. MRI can exclude disc prolapse which may the reason for pain. He also needs proper evaluation for arthritis. Proper treatment depend upon findings. Take Care Chat Doctor.  </s>