The person recognizes that the fear is excessive or unreasonable. The feared social or performance situations are avoided or else are endured with intense anxiety or distress. In individuals under age 18 years, the duration is at least 6 months. If a general medical condition or another mental disorder is present, the fear in Criterion A is unrelated to it, e.g., the fear is not of Stuttering, trembling in Parkinson's disease, or exhibiting abnormal eating behavior in Anorexia Nervosa or Bulimia Nervosa . See also Panic Disorder for detailed description of medication issues.
Some disorders have similar or even the same symptom.