A patient I saw earlier this week asked the question that opens this note — the question about ankylosing spondylitis that, in one form or another, sits at the centre of perhaps a third of the appointments in any given week at the clinic here in Ghent. The honest answer is longer than the five minutes I had to give her between the morning's bookings, and that is what these notes are for.
Ankylosing Spondylitis is a familiar pattern for those of us who work hands-on with the spine, and the conservative approach to it is well-developed even if it is rarely covered in the general health press. What follows are the working notes I keep for my own practice, written in the same voice I would use with a thoughtful new patient sitting opposite me in the consult room — clear about what we know, honest about what we don't, and patient with the timeline that spinal conditions issues actually take to resolve.
Putting a name to it carefully
Patients often arrive with a diagnosis from a scan — a disc bulge, stenosis, a degenerative change — and a great deal of fear attached to the word. The first thing I do with ankylosing spondylitis is separate the imaging finding from the symptom, because the two correlate far more loosely than most people expect. Plenty of pain-free spines show 'abnormal' scans, and plenty of painful backs scan clean.
So I treat the person in front of me, not the report. With ankylosing spondylitis I want to know what it actually does — what movements and positions change it, whether it refers into a limb, whether there is any neurological involvement — because that behaviour, far more than the label, tells me how to help and whether this is mine to manage conservatively.
How Ankylosing Spondylitis usually behaves
Ankylosing Spondylitis tends to follow a recognisable arc in the conservative-care population. Many disc-related and degenerative presentations, despite their frightening names, settle substantially over weeks to a few months with sensible loading and time. The natural history is often far kinder than the diagnosis sounds, and saying so plainly is part of the treatment.
What I watch is the trend across two-week windows, not the day-to-day noise. A sawtooth of good and bad days is normal. A steady downward trend in symptoms, expanding tolerance for activity, and any centralising of limb symptoms back toward the spine are the signs that conservative care is working and that we should stay the course.
The conservative plan I build
For most ankylosing spondylitis, the plan is layered: settle the acute irritation, restore confident movement within a comfortable range, then progressively load the supporting muscles to build durability. Directional preference work — finding the movement that eases and centralises symptoms and using it as medicine — is often the most useful early tool.
I avoid the two failure modes: total rest, which stiffens and deconditions, and aggressive pushing, which flares. The art is graded exposure — a little more range, a little more load, day by day, keeping symptoms within a tolerable band that settles within 24 hours. Home work is where most of the recovery happens; the clinic visit sets it up.
Red flags I never manage at home
Some signs change the room immediately. Saddle-region numbness, loss of bladder or bowel control, or rapidly progressive leg weakness raise the possibility of cauda equina — a surgical emergency, not a conservative-care case. Severe trauma, suspected fracture, a history of cancer, or systemic signs like fever and unexplained weight loss also warrant urgent referral.
These are uncommon, but ankylosing spondylitis is exactly the territory where they must be screened for and never assumed away. When none are present, conservative care is reasonable and usually effective. When one appears, the only correct move is prompt onward referral.
Living well alongside ankylosing spondylitis
For the chronic and degenerative presentations of ankylosing spondylitis, the goal shifts from cure to capable, comfortable living. A strong, mobile spine tolerates a 'worn' scan remarkably well, and most patients can return to the activities they value with sensible progression and a little ongoing maintenance.
I send people away with three habits: keep moving most days, keep the supporting muscles strong, and keep load increases gradual. The scan describes the structure; the habits decide how that structure feels and functions across the years ahead.
A note on seeing a professional
Everything written above is general practitioner-perspective information, not medical advice for any specific case. A presentation of ankylosing spondylitis that does not begin to improve with two to four weeks of well-applied conservative care, or that is accompanied by any of the red-flag signs noted above, warrants an in-person assessment by a qualified clinician — your GP, a chiropractor, a physiotherapist, a sports-medicine doctor — who can examine you, take the history in detail, and tailor the plan to your specific situation. These notes are a starting point for the kind of conversation that belongs in a consultation room, not a substitute for it. If you take one thing from this piece, let it be that conservative care is patient work — the body changes slowly, and the practitioners who serve their patients well are the ones who give the timeline the respect it deserves.