Low white blood cells with long-acting interferon is usually a side effect of interferon, which inhibits the bone marrow hematopoietic system, so it is recommended to treat the disease under the guidance of a doctor and stop using the drug if necessary. Interferon is a common antiviral drug, can treat myelofibrosis or chronic viral hepatitis B. During the use of interferon, it is generally necessary to regularly monitor the blood routine, observe platelets, white blood cells and other indicators. Low white blood cells with long-acting interferon may be a side effect of the drug, interferon will have a certain inhibitory effect on the bone marrow, resulting in a decline in white blood cells or platelets, usually after discontinuing the drug will be recovered on its own, and if it is not recovered for a long time, you can take white blood-boosting medication under the guidance of a doctor. Playing long-acting interferon low white blood cells is generally interferon caused by the side effects of the drug, generally after stopping the drug can be self-recovery, if a long time has not recovered, it is recommended to take under the guidance of the doctor to enhance the white drugs.