Some of these conditions demand emergency care. You may feel you're spinning, tilting, rocking or falling through space. This is a disorder of the inner ear. The cause usually is unknown, but an upper respiratory tract infection or a minor blow to the head may be responsible. BPV occurs abruptly when you move your head up and down, or when you turn over in bed.
Symptoms can be distressing, but they fade in a few seconds.
Avoiding positions that bring on BPV may reduce its occurrence. This term refers to a variety of conditions within the inner ear. It may be associated with inflammation, an upper respiratory infection or nerve deterioration, but often occurs independently of other problems. You may experience severe vertigo for days or weeks. Nausea, vomiting and involuntary eye movements are common.