Dyscrasias is a nonspecific term that refers to any disease or disorder. However, it usually refers to blood diseases.
Before modern medicine, it meant an imbalance of four body fluids: blood, bile, lymph, and phlegm.
Bain BJ. The peripheral blood smear. In: Goldman L, Schafer AI, eds.Cecil Medicine
Update Date 1/1/2013
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 A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.