Complex vestibular disorders are challenging to treat. For example, it can be very difficult to tease out the symptoms that distinguish Ménière’s disease or migrainous vertigo; they have very similar symptoms, but are treated very differently. More complex cases are very individual and cannot always be pigeon-holed as Ménière’s or migrainous vertigo or some other particular disorder link i en blogg. Patients may have some but not all of the characteristics of Ménière’s disease, for example, and that is frustrating for doctors.