The primary symptom of agoraphobia is anxiety about being in situations where escape might be difficult or embarrassing. Common situations that trigger anxiety in people with agoraphobia include:

Waiting in line
Crowds
Restaurants
Movie theaters
Appointments
Using public transportation

Anxiety can affect the body in many ways, and each person experiences anxiety very differently. Indeed, there are many symptoms associated with agoraphobia. Some of these symptoms may include:

Rapid heart rate
A feeling of fear or terror
Sleep disturbances, feeling tired
Difficulty concentrating
Excessive sweating
Dry mouth
Difficulty breathing
Chest pain
Trembling
Nausea and diarrhea
Urge to escape the current situation
Dizziness
Difficulty swallowing
Feeling like one might faint
Fear of death