Generalized Anxiety Disorder By John W Barnhill, MD, New York-Presbyterian Hospital Reviewed / Revised Apr 2020 | Modified Sep 2022 View Patient Education Symptoms and Signs Diagnosis Treatment Topic Resources Benzodiazepines Overview of Generalized Anxiety... Generalized anxiety disorder is characterized by excessive anxiety and worry about a number of activities or events that is present more days than not for ≥ 6 months.