Agranulocytosis - Definition

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Agranulocytosis is the absence of certain white blood cells (neutrophil granulocytes) which make up part of the organism's defense system against diseases. Agranulocytosis causes a range of symptoms such as fever, and ORL symptoms (notably infection of the throat). A blood sample can reveal the absence of granulocytes, caused by medication use. Agranulocytosis begins to subside as soon as the use of the medication in question is stopped. While awaiting the natural defense system's return to normality, an intravenous antibiotic treatment must be begun immediately.