Definition
By Mayo Clinic staffIndigestion — also called dyspepsia or an upset stomach — is a general term that describes discomfort in your upper abdomen. Indigestion is not a disease, but rather a collection of symptoms you experience, including bloating, belching and nausea. Although indigestion is common, how you experience indigestion may differ from other people. Symptoms of indigestion might be felt occasionally or as often as daily.
Fortunately, you may be able to prevent or treat the symptoms of indigestion.
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