Anxiety may be caused by stressful life events , certain physical or mental conditions, effects of medication, or a combination of these. The first thing that a doctor analyzes is whether your anxiety is a symptom of another medical condition. Common types of Anxiety Disorders Include: Panic Disorders: palpitations, dizziness, and shortness of breath Generalized Anxiety Disorder Phobic Disorders Stress Disorders Some life events that can cause anxiety: Stress at work Stress from school Stress from unpredictable or uncertain world events, like a pandemic Stress from an emotional trauma such as the death of a loved one Stress from a serious medical illness Stress in a personal relationship such as marriage Financial stress Stress from global occurrences or political issues Doctors face difficulty in determining which symptoms come from which cause. For example, in most people with chest pain which is known to be a symptom of heart disease, 43% of people were found to have a panic disord