But in some cases, hiccups can last a lot longer — more than two days — and may be a sign of an underlying issue like acid reflux or damage to your central nervous system, which may require ...

Acid reflux can be triggered by certain foods like ... causing an unpleasant sour taste in your mouth alongside hiccups, ...

Though rare, frequent hiccups can be a sign of gastroesophageal reflux (GER), which occurs when stomach acid and partially digested food come back up through the esophagus. Most babies will ...