If I might make a suggestion for another coping mechanism: go near someone you trust – a friend, family member, or spouse. There’s safety in numbers, and even your subconscious knows that. Being near someone you trust can be comforting, as you’ll be able to get their help if something really does happen. It doesn’t matter if you talk to them, if they’re paying attention to you, or even if they’re sleeping – them simply being nearby and available to call upon if something happens will dull your fear.
People often fear the worst when they're having an anxiety attack. Most of the time, there’s no underlying physical problem, such as a real heart attack. But you should get the medical all clear if you have repeat anxiety attacks, just to be sure you don’t need additional treatment. Then find a cognitive behavioral therapist with experience treating anxiety to help you through.
People with generalized anxiety disorder (GAD) display excessive anxiety or worry, most days for at least 6 months, about a number of things such as personal health, work, social interactions, and everyday routine life circumstances. The fear and anxiety can cause significant problems in areas of their life, such as social interactions, school, and work.