A panic attack usually occurs with no warning and causes symptoms such as a racing heartbeat, hyperventilation, sweating, and shaking. Panic attacks can be called panic disorder if they are recurrent and you find yourself being very afraid or changing your actions because of a fear of a panic attack. They can be caused by fear of a thing or situation, depression, or other disorders. Treatments may include medications, psycotherapy, other therapies, relaxation, and more. Follow the links below to find WebMD's comprehensive coverage about what causes panic attacks, treatment for panic attacks, and much more.