Most gallstones are silent, but when they move, they can trigger a medical emergency.

Health · Published 3 October 2026 Swipe more like this →

In short: You might live with gallstones for years without ever knowing they exist. These hardened deposits of bile often remain asymptomatic, but if a stone slips into a duct, it can cause intense, stabbing pain. Recognizing these warning signs is critical, as a persistent blockage can lead to life-threatening complications.

Gallstones form when the chemical balance of bile—a digestive fluid produced by the liver and stored in the gallbladder—is disrupted. This typically happens due to an excess of cholesterol or bilirubin, a byproduct of broken-down red blood cells. When these ingredients fail to dissolve properly, they precipitate into sediment that hardens into stones ranging from the size of a grain of sand to a golf ball. While many people remain symptom-free, others experience biliary colic, a sudden, severe pain in the upper right abdomen that occurs when a stone blocks a bile duct.

Biliary colic is often triggered by eating fatty meals, which signal the gallbladder to contract and release bile. If a stone is present, this contraction increases pressure within the biliary system, causing pain that may radiate to the back, shoulder, or chest. While this pain often subsides as the stone shifts, recurring episodes serve as a warning. If a stone remains lodged, it can cause serious complications, including inflammation of the gallbladder (cholecystitis) or pancreas (pancreatitis), and jaundice, characterized by yellowing of the skin and eyes.

Risk factors for developing gallstones include being female, being over 40, having a family history, or experiencing rapid weight loss. Females are three times more likely to develop them, with risk levels fluctuating alongside estrogen and progesterone. While silent stones generally require no treatment, symptomatic cases often necessitate a cholecystectomy—the surgical removal of the gallbladder. Because gallstone attacks are likely to repeat once they begin, medical professionals emphasize that even if the pain fades, any recurring or severe abdominal distress warrants a professional evaluation to prevent dangerous, long-term complications.

General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.

Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?

Related

• Why a small stone in your gallbladder can trigger a life-threatening emergency
• When a tiny stone creates a high-pressure biological crisis
• Your gallbladder is a storage unit, not an essential organ
• Why some gallstones are black, brown, or yellow
• In pancreatitis, the body's own digestive enzymes turn against the pancreas
• Italy is not a people, but a geographical expression
• The delicate balance between dental health and chemical toxicity
• Gestational diabetes is high blood sugar that emerges during pregnancy and usually resolves postpartum.
• Why flu season isn't just a matter of cold weather
• The microscopic parasite that turns your drinking water into a digestive nightmare
• A fistula is a biological tunnel connecting body parts that should remain separate.
• Is your mouth hiding a silent, reversible threat to your long-term dental health?

More in Morbidity · More in Health · Latest · A–Z · All topics