BPPV is the most common cause of vertigo. It usually only occurs in one ear at a time. BPPV happens when calcium crystals called otoconia are dislodged from the utricle, a structure located in the ...

Benign paroxysmal positional vertigo (BPPV) is a condition that affects the tiny crystals in your inner ear, called otoconia, that help you maintain your balance as your body changes positions.