Differential diagnosis of chronic polyarthritis are :
-lyme disase
-rheumatoid arthritis
-scleroderma
-adult Still’s disease
-Sjogren syndrome
-systemic lupus erythematosus
-psoriatic arthritis
-Reiter’s syndrome / reactive arthritis
-inflammatory bowel disease
-ankylosing spondylitis
-pseudogout
-gout
-inflammatory osteoarthritis
-paraneoplastic syndrome
-hypertrophy pulmonary osteoarthropathy
-osteoarthritis
-lyme disase
-rheumatoid arthritis
-scleroderma
-adult Still’s disease
-Sjogren syndrome
-systemic lupus erythematosus
-psoriatic arthritis
-Reiter’s syndrome / reactive arthritis
-inflammatory bowel disease
-ankylosing spondylitis
-pseudogout
-gout
-inflammatory osteoarthritis
-paraneoplastic syndrome
-hypertrophy pulmonary osteoarthropathy
-osteoarthritis