Benign Paroxysmal Positional Vertigo (BPPV) is a common cause of vertigo, which is the sudden sensation that you or your surroundings are spinning. BPPV is caused by a problem in the inner ear. It occurs when tiny calcium particles called canaliths dislodge from their usual position and collect in the inner ear canals.### Symptoms:- Dizziness- A sense that you or your surroundings are spinning or moving (vertigo)- Lightheadedness- Loss of balance or unsteadiness- Nausea### Causes:- Head injury-