Acrophobia is an intense fear of heights that can cause extreme anxiety and panic in those who suffer from it. Symptoms of acrophobia can include dizziness, sweating, trembling, rapid heartbeat, and difficulty breathing. People with acrophobia may avoid activities that involve heights, such as
From Wikipedia
Acrophobia, also known as hypsophobia, is an extreme or irrational fear or phobia of heights, especially when one is not particularly high up. It belongs to a category of specific phobias, called space and motion discomfort, that share similar causes and options for treatment.