Common Anxiety DisorderSymptoms of Common Anxiety Disorder consist of the following: irritability, restlessness, anxiety, angry, hesistant, impatience, and yelling for no apparent reason. Individuals who suffer from this illness are usually sensitive towards loud noises and always expect something bad to happen. Some physical symptoms are: numbness, aches, palpitations, taking deep breathes, shaking, blushing, tightening, dryness of the mouth, nausea, vomiting, constant urination, dizziness, loss of appetite, insomnia and fatigue.