Inflammatory disease mainly affecting the sacroiliac joints and spine, with both radiographic and non-radiographic forms.
Understanding the mechanism
Axial spondyloarthritis is an inflammatory disease primarily involving the sacroiliac joints and spine. It includes radiographic and non-radiographic forms, so normal radiographs do not rule it out. Immune processes, genetic susceptibility and other factors contribute. The condition cannot be reduced to poor posture or ordinary mechanical wear, and recognizing that distinction affects both investigation and treatment.
Symptoms and warning signs
Persistent pain beginning relatively early in life, morning stiffness, waking in the second half of the night and improvement with movement can raise suspicion. Not everyone has every feature. Uveitis, psoriasis, enthesis pain or inflammatory bowel disease provides further clues. A painful red eye needs same-day ophthalmological assessment; new neurological loss needs urgent medical assessment rather than waiting for a routine musculoskeletal visit.
Diagnosis and investigations
A rheumatologist combines the history, examination, imaging and laboratory findings. HLA-B27 indicates susceptibility rather than confirming a diagnosis, and normal inflammatory markers do not independently exclude the disease. Sacroiliac MRI may identify early inflammatory features, but interpretation must consider alternative causes and mechanical loading that can mimic some findings. No single test replaces the combined assessment.
Treatment and outlook
Management combines education, suitable physical activity, mobility exercise and medication selected according to disease activity. Anti-inflammatory medicines or targeted treatments may be prescribed by the specialist. Follow-up considers pain, function, fatigue and extra-articular disease. The aim is disease control and preservation of capacity, rather than repeatedly treating a painful spinal region without addressing the inflammatory process.
The role of TAGMED care
At TAGMED, any musculoskeletal support should be coordinated with rheumatology. Spinal decompression, laser and shockwave therapy cannot replace disease-modifying treatment. Forceful manipulation is particularly concerning when ankylosis, bone fragility or instability is present. Symptomatic improvement does not justify stopping prescribed medication independently; changes should be discussed with the clinician responsible for the inflammatory condition.
Practical follow-up
Fatigue and restrictions in participation deserve discussion alongside pain. Changes in disease activity may require medical adjustment. Increasing the number of local treatment sessions does not necessarily address inadequately controlled inflammation, so follow-up should keep the broader condition in view.
Frequently asked questions
Can normal radiographs coexist with the disease?
Yes. Non-radiographic axial spondyloarthritis is part of the same clinical spectrum.
Is positive HLA-B27 diagnostic?
No. Many people carrying it never develop the disease.
Is exercise helpful?
Appropriate activity supports mobility and function alongside medical treatment.
Must pain be severe before referral?
No. A persistent combination of inflammatory features can justify assessment.
Why monitor eyes and bowel symptoms?
Disease outside the spine can affect health and influence the treatment selected.
Conceptual diagram: the steps depend on clinical findings and do not provide an individual diagnosis.
Medical references
- NICE. Spondyloarthritis in over 16s: diagnosis and management (NG65).
- American College of Rheumatology. 2019 ACR/SAA/SPARTAN Recommendations for Ankylosing Spondylitis and Nonradiographic Axial Spondyloarthritis.
- NIAMS. Ankylosing Spondylitis: Diagnosis, Treatment, and Steps to Take.
References document the topic; their inclusion does not imply endorsement of TAGMED services by those organizations.
Educational information from The Spine Page. This entry does not replace an individual assessment. Documentary version: October 12, 2026. Sylvain Desforges, B.Sc., D.O., N.D., osteopath and naturopath.
TAGMED clinic contact details
For non-urgent consultations and information about available services.
Clinique TAGMED — Terrebonne
1150, rue Lévis, Suite 200
Terrebonne (Québec) J6W 5S6
450‑704‑4447
Clinique TAGMED — Montréal
1140, avenue Beaumont
Mont-Royal (Québec) H3P 3E5
1‑877‑672‑9060
