If you have a debilitating fear of being seen negatively by others and humiliated in public, you may have social anxiety disorder, also known as social phobia. Social anxiety disorder can be thought of as extreme shyness. In severe cases, social situations are avoided altogether. Performance anxiety (better known as stage fright) is the most common type of social phobia.
Biological causes may include obsessive compulsive disorder, Postural Orthostatic Tachycardia Syndrome, post traumatic stress disorder, hypoglycemia, hyperthyroidism, Wilson's disease, mitral valve prolapse, pheochromocytoma, and inner ear disturbances (labyrinthitis). Dysregulation of the norepinephrine system in the locus ceruleus, an area of the brain stem, has been linked to panic attacks.
The above statements are two examples of what a panic attack might feel like. Panic attacks may be symptoms of an anxiety disorder. Historically, panic has been described in ancient civilizations, as with the reaction of the subjects of Ramses II to his death in 1213 BC in Egypt, and in Greek mythology as the reaction that people had to seeing Pan, the half man, half goat god of flocks and shepherds. In medieval then Renaissance Europe, severe anxiety was grouped with depression in descriptions of what was then called melancholia. During the 19th century, panic symptoms began to be described as neurosis, and eventually the word panic began being used in psychiatry.
• Palpitations, pounding heart, or accelerated heart rate • Sweating • Trembling or shaking • Shortness of breath or a sensation of smothering • A choking feeling • Chest pain or discomfort • Nausea or abdominal distress • Feeling dizzy, unsteady, lightheaded, or faint • Feeling detached from oneself or reality • Fear of losing control or of impending doom • Fear of dying • Numbness or a tingling sensation • Chills or hot flashes