Dizziness is the most common complaint in neurology clinics. The first thing to distinguish is a concept. Whether dizziness is vertigo or dizziness. Vertigo: accompanied by a sensation of rotation of vision or swaying of oneself. Vertigo is mostly associated with inner ear diseases, and in a few cases it can be caused by insufficient blood supply. Dizziness: heavy head, tight hair and discomfort. Dizziness is mostly caused by poor sleep, exertion, anxiety and other factors.