Panic attacks can last anywhere from a couple of minutes to over a half hour. They also affect people differently. They can be more serious then people imagine, and happen very suddenly and peak within about 10 minutes. The reality is that Anxiety attacks can happen almost anytime, anywhere, and with or without good reason. Panic attacks typically begin suddenly, without warning. They and panic disorder can run in families, and sometimes occur when a person anticipates confronting a feared situation. They are more common than you may realize, or care to know. Anxiety attacks are no laughing matter. For more information on ways to remove attacks permanently visit this site on panicaway.