It is characterized by recurrent attacks of sudden-onset vertigo
It can last only a few seconds or minutes.
Occur with sudden changes in posture.
Common after a head injury or viral illness.
Can be possibly caused by otoliths in the labyrinth.
Vertigo with a sudden change in posture for example rolling in bed at night
Clinical
Hallpike test positive
Normal tympanic membrane.
Usually self-limiting (few weeks)
Teach the patient to minimize symptoms by sitting and lying in stages.
Refer to physiotherapy for exercises/vestibular rehabilitation.
If not settling, perform or refer to ENT for Epley’s manoeuvres (rapid repositioning of the head to move otoliths out of the labyrinth)