My daughter had join pain before 5 weeks.After one week her left leg knee and right hand join had swelling.later after on week she had fever . That time her ESR was 38mm/hr in two week.RH,CRP,ASO all are negative. now her ESR is 78 .Her X ray is ok ,RH,CRP,ASO all negative again(second time testing).She still has pain in her joints and slight fever.Her eye sight is showing double vision in far vision but to near it is ok.When she closes on eye it is ok,but with two eye it is double vision.Her HB count is 10.4,Vitamin D is 4.75. At first she took antibiotic amoxylin tablets and aspirin C for 10 days. But still join pain persists.She has mild cough also.Still doctors didn't diagonise her sickness. can you help me