The phrase "dizziness" can apply to either an uncomfortable disturbance unsteady , faintness or to a mistaken perception of movement, which is more precisely referred to as "vertigo." Vertigo is a condition in which a person feels as though their body is rotating or swaying, their surroundings are moving, or both. Postural vertigo which is a type of vertigo mimics the feeling of sense of existence on a boat (for example, bilateral vestibulopathy)while rotatory vertigo reminds one of the sense of being on a rotating wheel. Many patients refer to lightheadedness without any sensation of movement as "dizziness" when they are intoxicated by drugs. Peripheral vestibular diseases are functionally divided into three primary categories, which based on their usual symptoms and indicators.The majority of frequent causes of vertigo is benign paroxysmal positioning vertigo (BPPV), and many patients provide information that is sufficient for a phone diagnosis. Most often, bouts of BPPV linger for many weeks before spontaneously ceasing, only to recur several weeks, months, or even years later.