Even though it often goes unnoticed, it plays an essential role: it stores the bile produced by the liver and releases it at the right moment to help break down fats.

This bile also has antibacterial properties that help protect the digestive system from silent infections.

When the gallbladder is working properly, everything runs smoothly: we eat, the gallbladder contracts, and bile flows into the duodenum to support digestion. But when something goes wrong, the entire system becomes disrupted, leading to abdominal pain, nausea, and vomiting.

That’s why understanding its function and proper care is so important.

How the body changes after gallbladder removal

Once the gallbladder is removed, bile is no longer stored — it flows directly from the liver into the intestine in a constant stream. This change affects several digestive processes and can cause symptoms while the body adapts.

1. Reduced ability to digest fats
Without proper bile storage, digesting fats becomes more difficult, especially in the first few weeks.

2. Indigestion and general digestive discomfort
Bile flows continuously rather than in response to meals. This can lead to bloating, gas, and belching.

3. Changes in intestinal bacterial balance
Bile helps control bacteria. When its flow changes, the risk of intestinal imbalance and inflammation increases.

4. Bile reflux
In some people, bile can flow backward into the stomach, irritating its lining and causing heartburn, nausea, and pain.

5. Dietary changes
Many people need to cut back on very fatty, fried, or spicy foods. Eating smaller portions, increasing fiber intake, and avoiding excess alcohol is also recommended.

6. Sleep disturbances
While not universal, some people report anxiety, insomnia, or disrupted sleep after surgery. These symptoms usually improve over time.

Three conditions that may appear after surgery

Gallbladder removal is safe and very common, but there are some long-term risks to keep in mind.

1. Reflux gastritis
Less concentrated bile and its constant flow can cause stomach inflammation, diarrhea, and bloating when eating heavy or high-fat foods.

2. Increased risk of colon cancer
After surgery, secondary bile acids increase and can irritate the colon. Studies show a slightly higher risk of colon cancer in people without a gallbladder, which is why the surgery should only be performed when necessary.