Dizziness refers to an impairment in spatial perception and stability. It's considered imprecise. It can be used to mean vertigo, pre-syncopy / feeling faint, disequilibrium, or for a non-specific feeling such as giddiness or foolishness. There're many causes for dizziness, including equilibrioception, hypotension, cerebral hypoxia, a reaction to environmental chemicals or drugs, and psychiatric causes. Vertigo Vertigo's a specific medical term used to describe the sensation of spinning or havi… (More on Dizziness)