Here's a remedy I learned from a fellow who did me much wrong but whom I can't hate entirely because of this gift: Mix some distilled white vinegar with a half cup of water, add enough vinegar baking soda to cause a spirited fizzing, and swallow the concoction at one go. As someone who has suffered from heartburn every day for more than thirty years, I can attest that this calms the worst attacks. Plus the violent burping is a lot of fun.