2nd May 2024

A 52-year-old woman presents with recurrent episodes of vertigo, especially when she turns her head to the left while lying down.

A 52-year-old woman presents with recurrent episodes of vertigo, especially when she turns her head to the left while lying down. The episodes last for less than a minute but are quite distressing. She has no hearing loss or tinnitus. Examination reveals nystagmus when her head is positioned to provoke symptoms. There is no neurological deficit, and her past medical history is unremarkable.

Which is the most appropriate initial management?