Acute functional dyspepsia
From Memory Alpha, the free Star Trek reference
Acute functional dyspepsia, also known as heartburn is a condition of the upper esophageal tract becomes irritated and inflamed, causing considerable discomfort. Among other things, the condition can be caused by eating too many spicy or acidic foods. Symptoms include: burning sensation in the throat or chest, nausea or a foul taste in the mouth.
Harry Kim mentioned that he couldn't drink wine after a certain time in the evening because it gave him acid heartburn. (VOY: "The Cloud")
In 2374, several of the crewmembers of the USS Voyager developed acute functional dyspepsia after eating Neelix's version of Rodeo Red's Red-Hot, Rootin'-Tootin' Chili in the mess hall. Lieutenant Tom Paris diagnosed it after several crewmembers complained of chest pain, and he replicated antacid to relieve their pain. (VOY: "Message in a Bottle")
