I suffer from Acrophobia . It belongs to a category of specific phobias, called space and motion discomfort
Can you explain more about it? in what condition it happens?
It occurs  when exposed to heights. It is also know an fear of falling
ّI see, I have phobia too, It is Agoraphobia, I do not like to go to crowded places
I see. Have you been attacked with it before? Because it may result in a panic attack.
I did not experience panic attack, but I try to avoid it, It makes me very uncomfortable
There are some severe cases where people may become unable to leave their homes. DO you experience this too? 
No, I am fine until it does not get too crowded, I still must go out if I have an emergency thing to do
edge" and , "phóbos", "fear".
Causes.
Traditionally, acrophobia has been attributed, like other phobias, to conditioning or a traumatic experience. Recent studies have cast doubt on this explanation; a fear of falling, along with a fear of loud noises, is one of the most commonly suggested inborn or "non-associative" fears. The newer non-association theory is that a fear of heights is an evolved adaptation to a world where falls posed a significant danger. The degree
Acrophobia
Acrophobia 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 both similar causes and options for treatment.
Most people experience a degree of natural fear when exposed to heights, known as the fear of falling. On the other hand, those who have little fear of such exposure are said to have a head for heights. A head for heights is advantageous for those hiking