Signs & symptoms
Onset before age 45yrs, lasted longer than 3 months and 4 or more of the following features:
- Onset before age 35yrs.
- Wakes second half of night.
- Buttock pain.
- Spinal pain that improves with movement/activity.
- Morning stiffness lasting >30 minutes.
- Improvement within 48hrs of taking NSAIDs.
- First degree relative with spondyloarthritis.
- Current or past arthritis.
- Current or past enthesitis.
- Current or past psoriasis.
- History of uveitis, dactylitis, inflammatory bowel disease.
Risk factors
- Recent infection (bowel/genito-urinary)
- Family history of inflammatory conditions.
- Caucasion > Afro Caribbean/Asian.