I have a weird fear of open spaces, it's called Agoraphobia.
Yes, it is characterized by symptoms of anxiety where you feel unsafe. 
Yes, exactly. What is the cause of it do you know?
some people would say these events result in panic attacks
Yes what other symptoms can they cause?
if you want to know the cause, it could be a mix of genetic and enviormental factors
That makes sense, so it can be hereditary?
leave their homes.
Agoraphobia is believed to be due to a combination of genetic and environmental factors. The condition often runs in families, and stressful or traumatic events such as the death of a parent or being attacked may be a trigger. In the DSM-5 agoraphobia is classified as a phobia along with specific phobias and social phobia. Other conditions that can produce similar symptoms include separation anxiety, posttraumatic stress disorder, and major depressive disorder. Those affected are at higher risk of depression and substance use disorder.
Without treatment
Anxiety disorder
Anxiety disorders are a group of mental disorders characterized by significant feelings of anxiety and fear. Anxiety is a worry about future events, and fear is a reaction to current events. These feelings may cause physical symptoms, such as a fast heart rate and shakiness. There are several anxiety disorders, including generalized anxiety disorder, specific phobia, social anxiety disorder, separation anxiety disorder, agoraphobia, panic disorder, and selective mutism. The disorder differs by what results in the symptoms. People often have more than one