764 Possible Causes for Leukocytosis in USA

  • Upper Respiratory Infection
    Leukocytes Increased

    White blood cell count: Leukocytosis is very common with counts more than 10,000 per cubic millimeter and a predominance of polymorphs and immature neutrophils.[1]

  • Influenza
    Leukocytes Increased
  • Urinary Tract Infection
    Leukocytes Increased

    Catheter-Related Infection Symptoms of catheter-related UTI generally are nonspecific; most patients present with fever and leukocytosis.[2]

  • Infectious Mononucleosis

    Thomas Peck Sprunt and Frank Alexander Evans in a classic clinical description of the disease published in the Bulletin of the Johns Hopkins Hospital, entitled "Mononuclear leukocytosis[3]

  • Malignant Neoplasm
  • Appendicitis
    Leukocytosis Leukocytes Increased

    In pregnant women, the physiologic leukocytosis renders the CBC count useless for the diagnosis of appendicitis. … common in patients with appendicitis Very high levels of CRP in patients with appendicitis indicate gangrenous evolution of the disease, especially if it is associated with leukocytosis … independent factors predictive of complicated appendicitis in children were as follows [13] : Age younger than 5 years Symptom duration longer than 24 hours Hyponatremia Leukocytosis[4]

  • Tuberculosis
    Leukocytosis Leukocytes Increased
  • Hookworm Infection
    Leukocytosis Leukocytes Increased

    disease, the blood hemoglobin may be as low as 1 gm/100 ml and occasionally, especially with A. duodenale infection, peripheral eosinophilia may reach 90-100% with or without leukocytosis[5]

  • Chronic Lymphocytic Leukemia
    Leukocytosis Leukocytes Increased

    The major clinical manifestations of malaise, hepatosplenomegaly, anemia, and leukocytosis are related to abnormal, excessive, unrestrained overgrowth of granulocytes in the[6]

  • Leptospiral Meningitis
    Leukocytosis Leukocytes Increased


Leukocytosis refers to an increase in the total number of leukocytes.

Similar symptoms


  1. Upper Respiratory Infection, https://www.symptoma.com/en/info/upper-respirat…
  2. History, Physical Examination, Acute Urethritis Versus Cystitis, http://emedicine.medscape.com/article/233101-cl…
  3. Infectious mononucleosis, https://en.wikipedia.org/wiki/Infectious_mononucleosis
  4. Appendicitis: Practice Essentials, Background, Anatomy, http://emedicine.medscape.com/article/773895-overview
  5. Tropical Medicine Central Resource, http://www.isradiology.org/tropical_deseases/tm…
  6. Chronic lymphocytic leukemia | definition of chronic lymphocytic leukemia by Medical dictionary, http://medical-dictionary.thefreedictionary.com…