what is benign positional vertigo
Benign positional vertigo (BPV) is the most common cause of vertigo. It causes a sudden sensation of spinning. It can also make you feel like your head is spinning from the inside. If you have BPV, you can have brief periods of mild or intense dizziness. An episode is generally triggered by changing the position of your head. In particular, the following actions can trigger an episode of BPV: tilting your head up or down.