too little protective enzymes in the stomach, NSAIDS (aspirin, aleve, motrin which degrade the protective enzymes)), or non-ulcerative dyspepsia (my stomach
hurts like I have an ulcer
but I have no visable ulcer
...or my stomach
is ultra-sensitive to normal levels of acid production.
Patient with "acid related disorders" can present with a slew of symptoms including chest pain, upper ab pain, belching, nausea, cough, horseness..ect..