Firstly no one can have small pox as this is eradicated so you must have meant chicken pox!
can be raised for several reasons, such as anemia
, infections, inflammation but most importantly improper handling of blood specimen. But as she has inflammation clinically, the result cannot be ignored.
CRP is a better test to know the type of infection along with CBC, RhF (or CCP) and ANA screen if there are other smptoms of CTD.
XRay of knee is recommended to exclude bony pathology.
NSIADs wih PPIs are recommended. Food supplements unhelpful unless there is anaemia
of chronic disease.