AKT-5404
A 62-year-old woman presents with recurrent attacks of the room spinning around her in a horizontal plane, which is happening on multiple occasions every day. Each attack lasts about ten seconds and seems to occur whenever she turns in bed, lies down or sits up from the supine position. There are no other associated symptoms. She is taking no medication. Standard neurological examination is normal.
Given the likely diagnosis, which of the following is the most appropriate management?