White Blood Cell (WBC) Counts

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White blood cells (WBCs) are cells produced by the immune system that fight off infections. 

WBC counts are used to determine the presence of an infection and to monitor the body’s response to various treatments. Many of the medications taken by people with IBD suppress the immune system. As a result, you become more vulnerable to infection, so their effects need to be monitored with white blood cell counts.
A WBC typically has two components: the total number of white blood cells and measurements of the different types of white blood cells, including granulocytes (neutrophils, eosinophils, basophils) and non-granulocytes (lymphocytes and monocytes). 
  • Normal value: 4.5-11.0 th/cmm