How long does indigestion usually last?

30-60 minutes. If 'indigestion' is lasting longer than that, an explanation is warranted. And, to be frank, it depends on how you define 'indigestion' and it depends on whether the discomfort is shorter but more intense than usual - it may warrant explanation sooner. In essence - if it bothers you - get an answer...
Until fixed. More than 60 million americans experience acid reflux at least once a month. Acid reflux disease, also known as gastroesophageal reflux disease (gerd), can produce a variety of symptoms. Heartburn. Also called acid indigestion, heartburn is a burning pain or discomfort that can move up from your stomach to the middle of your abdomen and chest. The pain can also move into your throat. Regurgitatio.