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What are gallstones? Causes, symptoms and prevention tips

Gallstones are small, hardened deposits that can cause discomfort when they block your bile ducts, causing sharp abdominal pain and potential complications. Often linked to diet, weight, or sudden weight loss, they’re treatable, most often with surgery. Here's what to know, how to spot the signs, and what can help prevent them

September 30, 2025 / 10:13 IST
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Gallstones may be tiny, but their impact can be huge. Learn how lifestyle, diet, and weight management play a key role in preventing gallbladder attacks. (Image: Pexels)

Despite being small, gallstones cannot be ignored. These stones are often made of hardened cholesterol or bilirubin and can build up in your gallbladder without showing many early signs. But when they block a bile duct, it can trigger an excruciating gallbladder attack. Once symptoms begin, it’s crucial not to delay seeking medical help, as things can turn serious very quickly if left untreated.

Pain is the main symptom. It usually starts in the upper right side of your abdomen and can last for hours. That pain might radiate to your back or right shoulder, and it often follows a fatty meal. This happens because the blocked bile flow causes a painful backup in the gallbladder.

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In some cases, this can also trigger inflammation, infection, or even problems in nearby organs like the liver or pancreas.

Why do gallstones form?