Generalized anxiety disorder is an anxiety disorder. According to the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders, generalized anxiety disorder is made up of the following symptoms:
- A great deal of anxiety and worry that is experienced more days than not for a period of at least six months. This anxiety and worry can be about a number of different things (for example, school, relationships, work, etc.). In addition, the worry or anxiety is not about a symptom of another anxiety disorder, such as panic disorder, social anxiety disorder, or posttraumatic stress disorder.
- The worry is very difficult to control.
- At least one of the following symptoms is experienced along with the anxiety and worry:
- feeling restless or on edge
- easily getting tired
- having a hard time concentrating
- being irritable
- having tension in your muscles
- difficulties sleeping
- The anxiety, worry, and symptoms described above cause many problems in your life, such as at work or in relationships.

