To begin with, you need to figure out what a panic attack is. So, it is a sudden surge of overwhelming fear and anxiety. Your heart starts to pound really fast and it is hard for you to breathe.
What is important to highlight in this respect is that panic attacks can lead to a panic disorder in case they remain untreated. What is more, panic attacks might withdraw you from your normal life which presupposes that you will no longer be able to function properly. So, it is necessary to seek help as you soon as you notice that you are experiencing panic attacks. The faster you do that, the easier it will be for you to tackle the issue.
Here are the most common signs of panic attacks: racing heart; shaking; trembling; shortness of breath; pain in your chest; sweating; numbness; cold or hot fleshes; fear of losing control or going crazy. The most significant thing to remember in this respect is that panic attacks can and should be treated.