Hello! From the information provided, it is mainly the increase of lymphocytes and the relative decrease of white blood cells, which may be viral infections, such as colds and viral enteritis.

Many other arrows pointing up or down are on the high side or on the low side, which means little. It is recommended to review after 2 weeks. Drink more water.

Some drugs can also cause leukopenia, including antipyretic and analgesic drugs.