My son 6mmonth old, I went to dr for unhealed BCG vaccine ulcer ,there was 300gms wt reduced, so dr sent me to x ray,there was no change in that,told me to take blood test , that shows increased lymph 7800cells hb10.3gms Hct Mcv Mch are lower than normal, eosinophili 7/ , he said it may be PC. My child have no evening temp,say me what to do,take INH? Or any other test