There are several potential causes of leukocytosis, including:
Infections: Bacterial, viral, or fungal infections can lead to an increase in WBCs as the body mounts an immune response. Inflammatory Conditions: Diseases such as rheumatoid arthritis or inflammatory bowel disease. Medications: Certain drugs, such as corticosteroids, can cause leukocytosis. Stress: Physical or emotional stress can temporarily elevate WBC counts. Bone Marrow Disorders: Conditions like leukemia can result in an abnormally high production of white blood cells.
