begins suddenly and is accompanied by a variety of classic "fight or flight" symptoms, plus a few others - chest pain, chills, feeling too hot, choking, shortness of breath, rapid or irregular heartbeat, tingling or numbness, excessive perspiration, nausea and dizziness, and tremor. As a result these people may feel unreal or be afraid they are losing their minds or dying.
as a result of panic attacks, the patient fears that they will happen again or tries to avert further attacks by taking (ineffective action) such as abandoning once favored activities or places where attacks have occured
These patients almost invariably experience inordinate anxiety or dread when they have to be alone or away from home.
A specific situation or thing habitually causes such immediate dread or anxiety that the person avoids it or endures it with much anxiety (animal, natural environment, blood, injection, other medical care, injury, situational and other type)
Social Anxiety Disorder
inordinate anxiety is attached to circumstances where others could closely observe the patient public speaking or performing, eating, or having a drink with, writing or perhaps just speaking with another person. The patient either avoids the situations of endures them with much anxiety.
despite speaking normally at other times the patient regularly doesn't speak in certain situations where speech is expected such as class