Hello there we understand your feeling and your condition. We thank you for giving Avery clear history which mead our work easier to help you. But we would like to tell you that any person would have stage like in his lifetime to pass through. But this won't happen unless and until there is triggering factor. Just reassure yourself something might have happened without your knowing. If nothing you get then just Visit a general physician and get your bp checked because.sometimes high blood pressure may also.cause these kind of.trouble. Thank you