When to see a doctorBy Mayo Clinic staff
A low white blood cell count is usually found when your doctor has ordered tests to help diagnose a condition you're already experiencing. It's rarely an unexpected finding or simply discovered by chance. Talk to your doctor about what these results mean. A low white blood cell count along with results from other tests may already indicate the cause of your illness, or your doctor may suggest other tests to further check your condition.
Because a chronic very low white blood cell count makes you vulnerable to infections, discuss precautions with your doctor to avoid catching contagious diseases. Always wash your hands regularly and thoroughly. You may also be told to wear a face mask and avoid anyone with a cold or other illness.
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