i am 35year old female from india.From last four days i got red patches all over the body on itching. My doctor said it is due to allergy .HE Prescribed me levocetrizine but i get no relief.blood test report were TLC is 13800,DLC neutrophil 75,lymphocytes 20,eosinophil 04,monocytes 01 ,RBC count is 4.23,haemocrit value is 33.3, MCV 78.9,MCH28.3 ,MCHC 36,S.G.P.T 32.He prescribed Atarax 25mg but iget no releif. please give me guidelines what to do.