What is Hysteria? Hysteria is a very complex phenomenon and can be defined as the state of both mental and neurotic disorder arising from intense anxiety. Its a type of violent emotional outbreaks characterized by a lack of control over acts and emotions. It occurs mostly between the ages of 15 and 25. Following are the main causes of hysteria: Depression Traumatism Sexual repression Prolonged sickness Anxiety Symptoms of Hysteria The main symptoms of hysteria are nervousness, seductive behavior, intolerance, insomnia, shortness of breath, irritability, capriciousness, and irritability. During fits, a patient becomes hyper-emotional. Accompanied by sudden seizures, patients suffer from loss of consciousness Feelings of unreality or detachment accompanied by emotional excitability, such as fear or panic. Signs and Symptoms of Hysteria (Panic) Attack It is caused due to stress Fits differ in nature and frequency Tongue and lips are not cut by the teeth.