There it is again: That painful, fiery sensation rising up into your chest and throat. Your mind jumps to that greasy piece of pizza you instantly regret eating—and you know the acid reflux it spurred is about to burn. Acid reflux—a condition in which your stomach’s acids bubble up into your esophagus and throat—is extremely common. If you experience acid reflux every once in a while, it’s simply known as gastro-oesophageal reflux (GORD). But if you deal with it on a chronic basis (two days or more per week), that’s when it’s diagnosed as gastro-oesophageal reflux disease (GORD).

Those powerful stomach acids are pretty necessary, as they help break down the foods you eat, setting off the digestion process. The problem arises when those acids don’t stay where they should, which is most common for reflux sufferers after large meals and during bedtime. The common culprit? A weak or relaxed lower oesophageal sphincter, when the tiny valve at the base of your oesophagus opens when it’s not supposed to, allowing stomach acid to slosh its way up.

Lots of things can up your risk of acid reflux, including obesity, pregnancy, smoking, alcohol, age, certain medications, or having a hiatal hernia. But many people find that particular foods can be a huge reflux trigger. Think: fried and fatty foods, chocolate, tomato sauce, alcohol, coffee, carbonated drinks, and vinegar. Acid reflux doesn’t always have noticeable symptoms, but almost all of us experience it from time to time in the form of heartburn. But reflux can cause less obvious symptoms, too, says gastroenterologist Dr Joseph Murray. The condition can be complicated, and it is not always the answer to related health issues or that weird feeling in the throat. “I also see reflux being blamed for symptoms that have nothing to do with it,” Dr Murray says. Not sure what you’re dealing with? Ahead, the most common (and unusual) signs of acid reflux that go way beyond bouts of heartburn.