Spinal pain, particularly in the lower back, is usually the first and most common symptom of AS
Begins in early adulthood (before 45 yrs)
Has a gradual onset
Lasts longer than three months
Is worse after rest (for example, in the morning) but improves with activity
Can cause morning stiffness lasting more than 30 minutes
Fatigue
Can also be associated with anterior uveitis, arthritis, psoriasis, enthesitis, IBD and spine fractures (4 times more common in patients with AS )
Begins in early adulthood (before 45 yrs)
Has a gradual onset
Lasts longer than three months
Is worse after rest (for example, in the morning) but improves with activity
Can cause morning stiffness lasting more than 30 minutes
Ankylosing spondylitis
Spine related
Osteoarthritis
Acute ligamentous injury
Rheumatoid arthritis
Acute muscle strain
Reactive arthritis
Disk herniation 