Infectious arthritis - Bacterial
- Lyme disease
- Bacterial endocarditis
- Viral
- Other infections
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Postinfectious (reactive) arthritis - Rheumatic fever
- Reactive arthritis
- Enteric infection
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Other seronegative spondyloarthritides - Ankylosing spondylitis
- Psoriatic arthritis
- Inflammatory bowel disease
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Rheumatoid arthritis |
Inflammatory osteoarthritis |
Crystal-induced arthritis |
Juvenile idiopathic arthritis |
Systemic rheumatic illnesses - Systemic lupus erythematosus
- Systemic vasculitis
- Systemic sclerosis
- Polymyositis/dermatomyositis
- Adult-onset Still's disease
- Behçet syndrome
- Relapsing polychondritis
- Autoinflammatory disorders
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Other systemic illnesses - Sarcoidosis
- Palindromic rheumatism
- Familial Mediterranean fever
- Malignancy
- Hyperlipoproteinemias
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