Answer:
When these symptoms are related to migraine, they should respond to measures used for migraine management, such as avoiding triggers and prophylactic medications that provide benefit by preventing migraines from occurring.
However, benign positional vertigo is a very common cause of vertigo, which is also often accompanied by nausea.
Differentiating between these two causes of vertigo is important since they are managed differently; the distinction can often (but not always) be made from a detailed history and physical examination.