I am experiencing severe heartburn. It feels as if a pepper has burst open in my chest. I'm not experiencing chests pains or weakness, but it is very uncomfortable. What could cause this?
I am concerned with your sudden heartburn symptoms. People with heart disease describe their pain in may different ways: sharp, dull, pressing, and even burning. Should you have recurrent symptoms like this, or your discomfort is persistent, you should seek a medical opinion. Make an appointment with your doctor as soon as possible. If this discomfort is persistent and lasts more than 10-15 minutes, I suggest you go to the emergency room.
You need a face to face evaluation, examination, and electrocardiogram. If all is negative, then treatment can be directed at other possible, less serious, causes.
Here are some links you might find useful:
Cooling the Fire of Heartburn
Gastroesophageal Reflux Disease and heartburn - Highlights