###Human: I am HLA-B27 positive with vitamin D deficiency and back pain. Will it affect my marriage life? ###Assistant: Hi. 1. ESR (erythrocyte sedimentation rate). 2. CRP (C-reactive protein). 3. MRI of the sacroiliac joints. 1. Tablet Nucoxia (Etoricoxib) 90 mg once at night for 14 days. 2. Exercises. Revert with the reports to a rheumatologist online.--->