Agranulocytosis in dengue hemorrhagic fever: a neglected condition.

A granulocytosis in dengue hemorrhagic fever has not been mentioned, it mayprobably be included under the term of leucopenia. Here is the case of a 14-year Thai boy presenting with fever and diarrhea for 3 days. He was diagnosed as dengue hemorrhagic fever, grade I because he had hemoconcentration, thrombocytopenia without bleeding and positive IgM dengue antibody On the 5th day, he developed agranulocytosis and was treated with G-CSF and empirical antibiotics. His leucocyte count was successfully normalized within 1 day and persistently sustained until discharge.