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Definition Return to top
Dyscrasias is a nonspecific term that refers to any disease or disorder. However, it usually refers to blood diseases.
Before modern medicine, dyscrasias meant an imbalance of four body fluids: blood, bile, lymph, and phlegm.Update Date: 2/21/2009 Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.