Leukamoid reactions cause an increase in white blood cell count that mimics leukemia. The primary causes are severe infections, malignancies, hemorrhage, or acute hemolysis. The blood count returns to normal when the underlying cause is treated.
Leukemoid Reaction - Causes, Diagnosis, and Treatment.
A leukemoid reaction is characterized by an increase in the number of leukocytes in response to an infection. The condition usually mimics leukemia.