Worry depends: On how low and which WBC types are low. Low WBC has many causes including medications, viral infection, and primary blood diseases including leukemia and myelodysplastic syndrome.
Answered 6/10/2014
5.1k views
See below...: Leukopenia (decreased number of white blood cells) may be seen in various clinical conditions including infections, congenital deficiencies, chemotherapy and some other medications, radiation, toxins, leukemia, aplastic anemia, autoimmune disease, bone marrow infiltration by cancer, etc. It could also be constitutional. Consulting your doctor or a hematologist is recommended.
Answered 5/1/2014
4.1k views
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