There are methods you can use to prevent this from happening. I wish I can attached the link here. 

Never experience this yet which I'm so thankful for. I think @orgasmicbabe is right on this, better consult with the professional.

Go to your doctor for proper help, you will get back in action real soon that's for sure

It happens to everyone and most of the time you are defenseless. How to stop it from happening, and when it does how to get back in action?