Before we answer this, here are two basic facts about agranulocytosis: 1. Agranulocytosis is defined as a decrease in neutrophils (granulocytes) to below 500 cells/mm3. It is associated with a dangerous increase in susceptibility to infections. Note: A less severe decrease to below 1,500 cells/mm3 is called neutropenia. 2. Agranulocytosis is known to occur in…