monoarthritis (differential diagnosis)
Last reviewed 01/2018
- osteoarthritis - acute exacerbation
- gout - especially the great toe often affects an already arthritic joint
- septic arthritis
- psoriatic arthropathy
- rheumatoid arthritis - acute attack
- pseudogout - especially the knee may affect an already arthritic joint
- viral infection - especially rubella and parvovirus
- blackthorn synovitis
- Reiter's disease - typically in a young man up to month after urethritis or gastroenteritis, affecting the lower limb and occurring before any eye manifestations