This article is from the Interpretation Of Lab Test Profiles, by Ed Uthman uthman@neosoft.com with numerous contributions by others.
Basophilia, if absolute (see above) and of marked degree
is a great clue to the presence of myeloproliferative
disease as opposed to leukemoid reaction. Other causes of
basophilia include allergic reactions, chickenpox,
ulcerative colitis, myxedema, chronic hemolytic anemias,
Hodgkin's disease, and status post-splenectomy.
Estrogens, antithyroid drugs, and desipramine may also
increase basophils.
Basopenia is not generally a clinical problem.
 
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