One cause of terrible heartburn is Celiac disease. A friend of mine had heartburn as her only symptom. It took months on a gluten-free diet, but she got better.
Hi..
http://www.medhelp.org/gerd/articles/What-is-Heartburn/247
The articles MedHelp has posted will have lists of foods to avoid and foods that r safe...keep a journal so u can see which of the good foods r indeed good 4 u as we r all different and there may be something on the list that may trigger a flare 4 u.
and the same is true for foods to avoid....