Anxiety disorder symptoms: Learn about the symptoms

Learn about the symptoms, causes, and treatment of anxiety and anxiety disorders. Find out how anxiety affects your body, mind, and emotions, and how to cope with it. WHO fact sheet about anxiety disorders, including information on symptoms, contributing factors, prevention, diagnosis, treatment, self-care and WHO's work in this area. Everyone feels anxious from time to time, but an anxiety disorder causes significant or frequent worry that can impact your life in many ways. Symptoms might be subtle at first, and may even seem unrelated to an anxiety disorder—potentially affecting your mood, focus, sleep, and digestion. 1. 1. Sleep Disturbances. Anxiety disorders are common types of mental health conditions. We explain the type of anxiety disorders, including phobias and generalized anxiety disorder, and how to cope.