Differential diagnosis of acute polyarthritis are :
-adult Still’s disease
-scleroderma
-Sjogren’s syndrome
-systemic lupus erythematosus
-rheumatoid arthritis
-gonococcal arthritis
-hepatitis B
-rubella
-post rubella vaccination
-parvovirus B19
-endocarditis
-gout
-pseudogout
-reactive arthritis
-adult Still’s disease
-scleroderma
-Sjogren’s syndrome
-systemic lupus erythematosus
-rheumatoid arthritis
-gonococcal arthritis
-hepatitis B
-rubella
-post rubella vaccination
-parvovirus B19
-endocarditis
-gout
-pseudogout
-reactive arthritis