Concomitant means occurring during the same time period. It usually refers to secondary symptoms that occur with a main symptom.
Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed March 7, 2019.
Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.