The working of this medicine is interesting, as after consumption, Generic Atarax functions by obstructing a certain natural histamine substance that is released by the body during the occurrence of allergic reaction. Histamine's active substance enters the body and undermines the functions of the immune system, which causes allergic reaction. Generic Atarax joins to the histamine receptors and ceases them from contacting the allergy affected area, thus the person get relief from the allergic irritations. Generic Atarax exhibits its effect by having its influences on the nervous system of the victim. Most kinds of allergies can be successfully treated with dosage of this medication. This medication also provides instant relief from the apprehension and mental stress.