my 4 1/2 year daughter has fever for the past five days continuosly after administration of drug acetaminophin and ofloxacin   syrup she will be ok fpr 3 hrs again the fever starts  ,so i did blood test on the 6th day everything is negative but RBC's has microcytic hypochromic with aniso @poikilliocytosis and WBC's has mild leukocytosis seen.dr whats the reason for this?

Summarized question: What causes RBC to be microcytic hypochromic in child causing fever?