Acrophobia

-->an extreme or irrational fear of heights

-->a category of specific phobias

-->space and motion discomfort

-->share both similar etiology and options for treatment.

-->dangerous

-->sufferers can experience a panic attack in a high place

-->become too agitated to get themselves down safely

Vertigo

-->used incorrectly as Acrophobia

-->more accurately described as a spinning sensation

-->may be caused by looking down from a high place

-->referring to dizziness triggered by heights