B. The full symptom list of Panic Disorder is: Shortness of breath or hyperventilation, Heart palpitations or a racing heart, Chest pain or discomfort, Trembling or shaking, Choking feeling, Feeling unreal or detached from your surroundings, Sweating, Nausea or upset stomach, Feeling dizzy, light-headed or fainting, Numbness or tingling sensations, Hot or cold flashes and Fear of dying, losing control or going crazy