Leucopenia (leukopenia) is characterized by an abnormally decreased total number of white blood cells (WBC or leukocytes) in the circulating blood. A person is said to be suffering from leucopenia when the total WBC count drops below 4000 per cubic millimetre (Normal WBC count - 5000 to 10000 per cubic millimetre). It is commonly caused by bacterial and viral infections such as typhoid fever, rickettsial infection, brucellosis, influenza, typhus etc. and als by aplastic anemia, vitamin deficiency, autoimmune diseases, leukemia etc. Immune function is generally greatly decreased. Initially there may be no symptoms, until the body is prone to infection and thereby affecting different organs. The common syptoms f this condition are fever, malaise, skin rash, sore throat etc. |