Dear Doctor, My son 3 Yrs old was seen with a little inflammation on right side of his neck. We have done a blood test and came to know there is variation in his Total WBC count is 16800 cells/Cu.mm and ESR(westergren Method) is 73 mm fall/one ho up to 20 Differential Count Neutrophils 59 Lymphocytes 35 Eosinophills 06 Peripheral smear Investigation report RBC s: Normocytic and slightly hypochromic WBC s: Total count slightly increased with mild eosnophilic, no atypical cells seen Platelets: Adequate what is the cause of this high WBC count and ESR? is there anything we should be worried of? Please advice doctor.