Dizziness is an imprecise term that can refer to a sense of disorientation in space, vertigo, or lightheadedness.[1] It can also refer to disequilibrium[2] or a non-specific feeling, such as giddiness or foolishness.[3]
Dizziness is a common medical complaint, affecting 20-30% of persons.[4] Dizziness is broken down into 4 main subtypes: vertigo (~25-50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%).[5]