Hello, Doctors, My Daughter Has Rheumatoid Artist Problem In Both

Hello,

Doctors,

My daughter has rheumatoid artist problem in both legs knee there are swelling, doctor was given her steroid injection in that knee on month Feb-2015, no any medicine on going but now again slowly increase the swelling on both leg knee. Last blood test report shown Rheumatoid factor 6.3 IU/ml and ESR 59 mm/hr. So please help/guide for reduce the ESR with home diet.