👉 Leukocythaemia is a blood condition that occurs when white blood cells, called leukocytes, become too small or out of phase. This can happen in all types of leukocytosis but is most common in acute myeloid leukemia (AML) and chronic lymphocytic leukemia (CLL). It can also occur as a side effect of chemotherapy drugs used to treat AML or CLL. Leukocythaemia can cause symptoms like fatigue, joint pain, fever, or an
