Mrs Eden is a 57 year old female who has presented today with spontaneous episodes of vertigo, tinnitus and aural fullness in her right ear over the last 3 weeks. She reports that episodes usually last four to six hours during which time she must lie down in a quiet room to prevent uncontrollable vomiting. She was seen by a colleague six months ago with concerns about her hearing and was referred to audiology who identified a mild sensorineural deficit (low-to-mid frequency) in the right ear. She denies any headaches, facial/ear pain or weakness/tingling in her facial muscles or limbs. She is not aware of anything that triggers episodes. Mrs Eden has Hypertension but is otherwise fit and well. ENT and neurological examination today is unremarkable and unchanged from when she was last seen four months ago. You explain the most likely diagnosis and initiate a referral to the local ENT team.
Which one of the following options would be the most appropriate initial management option?