Q: Occasionally I get dizzy. If I roll over in bed it happens sometimes, or if I am playing tennis it can be terrible. But then it goes away. Is it caused by an ear infection, or am I just getting old and batty?
A: Chances are the answer is “neither.” What you are describing sounds like benign paroxysmal positional vertigo, although when it strikes, it hardly feels benign. In addition to dizziness …