Benign paroxysmal positional vertigo causes brief episodes of mild to intense dizziness. Benign paroxysmal positional vertigo is usually triggered by specific changes in the position of your head...Often, there's no known cause for BPPV. This is called idiopathic BPPV...Benign paroxysmal positional vertigo may go away on its own within a few weeks or months. But, to help relieve BPPV sooner, your doctor, audiologist or physical therapist may treat you with a series of movements known as the canalith repositioning procedure.