The aim of the article is to review the main conditions associated with vertigo and dizziness, modern approaches to their diagnosis and medical treatment. The review presents the update approach to etiology, pathogenesis, diagnostic strategies of benign paroxysmal positional vertigo, Meniere’s disease, vestibular neuritis, functional dizziness, vestibular migraine, bilateral vestibylopathy, vestibular paroxysmia and etc. Diagnostic criteria and basic treatment of these conditions are discussed.