What Does High Neutrophils Mean?

High neutrophils usually mean your body is fighting a bacterial infection.

Causes

  • Bacterial infection — most common
  • Inflammation
  • Exercise or stress
  • Smoking
  • Corticosteroids
  • Myeloproliferative disorders (rare)

Left Shift

  • Immature neutrophils (bands) in blood = active infection
  • Marrow releasing stored cells
Source: NLM MedlinePlus, American Association for Clinical Chemistry.

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