After viral infection in Feb, I am suddenly feeling low back pain and right hip pain , My HLAB27 is negative, ANA ,ENA ,ANTI CCP,RA ,ESR ,
CRP is normal , MRI of SI and PELVIC is normal , doctor prescribed me folitrax 7.5 mg , tofacitinib 5 bd
Folivite , pls help me what further test should I do