Hello, the causes of leukopenia:

(1) Drugs: There are many drugs that can cause leukopenia, mainly anticancer drugs, chloramphenicol, sulfonamides anti-inflammatory drugs painkillers, treatment of hyperthyroidism, treatment of diabetes drugs.

(2) Infectious factors: many infectious diseases can cause hematopoiesis, such as injuries, viral infections, mycoplasma pneumonia, contagious pneumonia, granulomatous tuberculosis and so on.

(3) Blood diseases: acute leukemia, malignant lymphoma, malignant histiocytosis, hypersplenism, aplastic anemia, etc..

(4) Exposure to radiation: such as exposure to X-rays, cobalt 60, phosphorus 32.

(5) Other: connective tissue disease, systemic lupus erythematosus, cirrhosis of the liver, especially with splenomegaly.

Treatment suggestions: oral vitamin B4 and shark liver alcohol, further examination of the cause