Leukocytosis

Description

A high level of white blood cells in the blood. Causes of a high white blood cell count can be infection, reaction to a medicine, a bone marrow condition, an immune system issue, smoking or sudden stress such as hard exercise.

When to seek immediate medical care

See a healthcare professional right away for the following symptoms:

• Lasting fever.
• High pulse rate.
• Night sweats.

When to make a doctor's appointment

Make an appointment to see a healthcare professional for:

• Greater tiredness.
• Repeat infections.