Left untreated, panic attacks and panic disorder can affect almost every area of your life. You may be so afraid of having more panic attacks that you live in a constant state of fear, ruining your quality of life. Complications that panic attacks may cause or be linked to include: Development of specific phobias, such as fear of driving or leaving your home Frequent medical care for health concerns and other medical conditions Avoidance of social situations Problems at work or school Depression, anxiety disorders and other psychiatric disorders Increased risk of suicide or suicidal thoughts Alcohol or other substance misuse Financial problems For some people, panic disorder may include agoraphobia — avoiding places or situations that cause you anxiety because you fear being unable to escape or get help if you have a panic attack. Or you may become reliant on others to be with you in order to leave your home.