Suggest Treatment For Pain In Left Arm And Leg In Woman With Cervical Spondylosis

My mother hv cervical spondlisis.last 3 mnth she cant slleep without taking zolfresh tab.she go without belt from home and go by step by step she hv pain from left arm to left leg .so sir wht we do .so much doc dne nt relif .so in brain pulsation is felling to her .so doc hw can solve this prob.mri dne of head ther is normal