Acute means sudden. Acute symptoms appear, change, or worsen rapidly. It is the opposite of chronic.
Merriam-Webster Dictionary. Acute.
Last reviewed on: 10/20/2022
Reviewed by: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.