Normally, the recovery from discitis/osteomyelitis is measured by symptoms, X-rays and lab testing. If you are improving, I would expect that your back pain should be diminished at 5 weeks. I do put patients in a brace with a spine infection.
What bacteria was found on blood cultures and were antibiotic sensitivities performed? Are your lab numbers (ESR and CRP) coming down? Do you have MRI or CT imaging documenting extent of bony involvement?
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.