What Causes Neutrophilia?

Infections

Infections that are the result of staphylococci, streptococci, gonococci, pneumococci, meningococci, Escherichia coli, Actinomyces species, and Pseudomonas are known to trigger neutrophilia. Types of fungi known to cause neutrophilia consist of Candida albicans and coccidiosis immitis. Viruses known to cause individuals to develop neutrophilia include rabies, herpes zoster, varicella, poliomyelitis, smallpox, and rickettsia. Parasites can also cause neutrophilia, but typically less often than viruses and bacteria. An individual who has an abscess, appendicitis, meningitis, tonsillitis, and peritonitis can also experience neutrophilia as a result of their infection. Because neutrophils are the first white blood cells in the immune system to reach the site of cellular damage, they can be overproduced in patients when their infection induces such a reactive process in the body. A mild elevation in neutrophils during acute infection is beneficial, but anything greater can cause the blood to become too thick and produce serious complications.

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