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Indigestion or stomach cancer? Expert reveals early symptoms you should never ignore

Regular indigestion is something that most people ignore as being unimportant, but anything to do with digestive issues can't be ignored if it is chronic. Early detection of stomach cancer greatly improves treatment success and survival rates, so it’s important to know the warning signs

October 06, 2025 / 15:31 IST
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Not all indigestion is harmless. Learn how to tell when persistent digestive discomfort might signal something more serious (Image: Pexels)

Nearly everyone has experienced indigestion when eating something too fast or consuming alcohol, caffeine, or fatty greasy food. These occasional episodes of digestive upset are normal, and usually benign. But when those symptoms linger for weeks or gradually become worse over time, it’s crucial not to ignore them. Some serious underlying diseases — including stomach (gastric) cancer — can also cause that lingering indigestion.

Stomach cancer occurs when layers of cells in the lining of the stomach grow abnormally. Its early symptoms are frequently similar to those of general digestive complaints like indigestion, bloating or mild pain — ensuring that it is one of the most commonly misdiagnosed conditions in its earlier stages. Because the symptoms are overlapping, many people wait to see a doctor until uncorrectable damage has already been done.

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“Recognising the nuanced difference between regular indigestion, and early warning signs of stomach cancer can literally save lives,” says Dr Priyanka Narang,a gastroenterologist at Evercare Digestive Clinic,Gurgaon “The primary difference between ordinary plain indigestion and stomach cancer is on duration & progression. “Indigestion usually goes away if you make changes to your diet or use medication; cancer-related symptoms get worse and keep coming back even after treatment,” she says.

Also Read: Stomach cancer is hard to catch early, but lifestyle changes can make a big difference