What causes a low WBC and should I be worried?
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.
WHITE BLOOD CELL