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Diseases that cause high white blood cell counts include bacterial infections, anemia, inflammatory diseases and leukemia. The body also produces more white blood cells as a reaction to stress, burns, cigarette smoking a... More »

www.reference.com Health Medical Ranges & Levels

Common causes of a high white blood cell count include infection, drug reaction, immune system disorder and bone marrow disease, according to Mayo Clinic. Severe allergic reactions, smoking, and high levels of physical o... More »

www.reference.com Health Medical Ranges & Levels

In adults, a white blood cell count of over 11,000 white blood cells per microliter of blood is typically considered high, although normal ranges vary from practice to practice, states Mayo Clinic. The normal range is 4,... More »

www.reference.com Health Medical Ranges & Levels
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Diseases that cause low white blood cell counts include aplastic anemia, human immunodeficiency virus, leukemia and lupus, according to Mayo Clinic. Other causes include rheumatoid arthritis, Crohn's disease and infectio... More »

www.reference.com Health Medical Ranges & Levels

A high white blood cell count may indicate anemia, infection, allergic reaction or leukemia, states MedlinePlus. Other causes include extensive tissue damage, cigarette smoking and severe mental or physical stress. Takin... More »

www.reference.com Health Medical Ranges & Levels

Infections and inflammation usually cause high white blood cell counts, according to the American Association for Clinical Chemistry. The elevated count can be also be attributed to allergic responses, severe stress and ... More »

www.reference.com Health Medical Ranges & Levels

Abnormally high counts of monocytes in the blood may be the result of chronic inflammatory disease, leukemia, parasitic infection, tuberculosis or a viral infection, according to the U.S. National Library of Medicine. Mo... More »

www.reference.com Health Medical Ranges & Levels