Hello, vertigo can be divided into true vertigo and false vertigo.
True (Peripheral, Vestibular Peripheral): Paroxysmal external or its own sense of rotation, dumping, degeneration, more severe symptoms, with obvious nausea, vomiting and other vegetative neurological symptoms, short duration, tens of seconds to hours, rarely more than a few days or weeks. Most of them are peripheral vestibular lesions.
Pseudogenicity (central, cerebral): for external or self-shaking instability, or left-right or back-and-forth shaking, gazing at moving objects, or aggravating in noisy environments. Symptoms are mild, accompanied by vegetative neurosis symptoms are not obvious, lasting for a long time, up to several months, mostly in the brain and eye diseases. General rainy conditions do not affect vertigo