Arthralgia.

Question 1

Inflammatory causes. (14)

Answer 1

Infective arthritis.
Cancer.
Vasculitis. 
Trauma. 
Systemic lupus erythematosus (SLE). 
Rheumatoid arthritis. 
Sjogren's syndrome. 
Systemic sclerosis. 
Ankylosing spondylitis. 
Enteropathic arthritis. 
Gout and pseudogout. 
Psoriatic arthritis. 
Reactive arthritis. 
Sarcoidosis.

Question 2

Non inflammatory causes.

Answer 2

Osteoarthritis.