A fear of a particular event or situation can result in a phobia. Fear can be so intense that one suffers anxiety because of it. Anxiety is that feeling of dread and/or panic that is felt that causes them to suffer from different physical discomforts including nausea, difficulty breathing, tremblling and a variety of other sensations. People suffering from any kind of anxiety phobia disorders tend to feel an strong feeling of doom that prevents them from further facing their fear.