Dyscrasia is a nonspecific term that refers to a disease or disorder, especially of the blood.
Before modern medicine, it meant an imbalance of four body fluids: blood, bile, lymph, and phlegm.
Watson HG, Craig JIO, Manson LM. Blood disease. In: Walker BR, Colledge NR, Ralston SH, Penman ID, eds. Davidson's Principles and Practice of Medicine. 22nd ed. Philadelphia, PA: Elsevier; 2014:chap 24.
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.