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Chronic refers to something that continues or persists over an extended period of time. A chronic condition is usually long-lasting and does not easily or quickly go away.
Chronic is the opposite of acute.Update Date: 2/23/2009 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.