MSD Manual

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Basophilic Disorders

By

David C. Dale

, MD, University of Washington

Reviewed/Revised Apr 2023
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Basophils account for less than 3% of the circulating white blood cells (0 to 300 basophils per microliter of blood [0 to 0.3 × 109 per liter]).

The symptoms usually depend on the disorder that is causing the change in the number of basophils, but increased numbers of basophils can cause itching and other allergic reactions.

The change in the number of basophils is usually detected by chance when a complete blood count is done for other reasons.

Treatment is directed at the disorder that is causing the change in the number of basophils.

NOTE: This is the Consumer Version. DOCTORS: VIEW PROFESSIONAL VERSION
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