Virtually all types of anxiety, from Generalized Anxiety Disorder (GAD) to Panic Disorder, include physical symptoms, such as stomach problems.
Stomach problems can include:
These problems can be mild to severe. For some, a feeling of butterflies in the stomach may precede social events or situations that may produce anxiety. For others stomachaches and nausea may interfere with the ability to carry out daily tasks, rendering someone incapacitated.