Dizziness is one of the most frequent symptoms encountered by a physician. Moreover, the term denotes different sensations for different people. It is essential to clarify what the patient means by asking for examples. There are several common subgroups of dizziness ; vertigo, multisensory dizziness, presyncopal lightheadedness, psychophysiological dizziness, etc. There are many causes of dizziness ; labyrinthine disorders including benign paroxysmal positional vertigo, eight cranial nerve disorders including vestibuloneuronitis, brainstem stroke, cerebellar and temporal lesions. The new diagnostic tools-rotating chair test, videooculography, computerized dynamic posturography have been introduced in assessing the dizziness. Systemic approach is essential for diagnosis of dizziness.