<unk>  is a condition where sufferers become anxious in unfamiliar environments or where they perceive that they have little control. Triggers for this anxiety may include wide-open spaces, crowds (social anxiety), or traveling (even short distances).<unk>  is often, but not always, compounded by a fear of social embarrassment, as the<unk>  fears the onset of a panic attack and appearing distraught in public. Most of the time they avoid these areas and stay in the comfort of their haven, usually their home.<unk>  is also defined as "a fear, sometimes terrifying, by those who have experienced one or more panic attacks". In these cases, the sufferer is fearful of a particular place because they have experienced a panic attack at the same location at a previous time. Fearing the onset of another panic attack, the sufferer is fearful or even avoids a location. Some refuse to leave their homes even in medical emergencies because the fear of being outside of their comfort areas is too great. The sufferers can sometimes go to great lengths to avoid the locations where they have experienced the onset of a panic attack.<unk> , as described in this manner, is actually a symptom professionals check when making a diagnosis of panic disorder. Other syndromes like obsessive compulsive disorder or post-traumatic stress disorder can also cause<unk> . Essentially, any irrational fear that keeps one from going outside can cause the syndrome.<unk> s may suffer from temporary separation anxiety disorder when certain other individuals of the household depart from the residence temporarily, such as a parent or spouse, or when the<unk>  is left home alone. Such temporary conditions can result in an increase in anxiety or a panic attack or feeling the need to separate themselves from family or maybe friends. People with<unk>  sometimes fear waiting outside for long periods of time; that symptom can be called "macrophobia". Panic attacks<unk>  patients can experience sudden panic attacks when traveling to places where they fear they are out of control, help would be difficult to obtain, or they could be embarrassed. During a panic attack, epinephrine is released in large amounts, triggering the body's natural fight-or-flight response. A panic attack typically has an abrupt onset, building to maximum intensity within 10 to 15 minutes, and rarely lasts longer than 30 minutes. Symptoms of a panic attack include palpitations, rapid heartbeat, sweating, trembling, nausea, vomiting, dizziness, tightness in the throat, and shortness of breath. Many patients report a fear of dying, fear of losing control of emotions, or fear of losing control of behaviors.
Agoraphobia
Major depressive disorder
Coprophobia
Post-traumatic stress disorder
Acrophobia
Separation anxiety disorder
Apeirophobia
Psychopathy