GLP-1 and Gallbladder: Gallstones, Pain, and Risk on Ozempic or Wegovy

Can GLP-1 medications cause gallbladder problems? Learn about gallstones, gallbladder disease, warning signs, and how to reduce risk while losing weight.

July 25, 2026Healthy-Weight Editorial10 min read

Medically reviewed by Dr. Sarah Chen, MD

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Can GLP-1 medications cause gallbladder problems?

GLP-1 medications like Ozempic, Wegovy, Mounjaro, and Zepbound carry a warning about gallbladder disease, including gallstones and cholecystitis. The risk appears to be linked to rapid weight loss, which can change how the gallbladder processes bile.

In clinical trials, gallbladder-related events were reported more often in people taking GLP-1 medications than in those taking placebo. However, the overall risk remains low for most patients.

Why does weight loss cause gallstones?

Rapid weight loss can lead to gallstones for several reasons:

The liver releases more cholesterol into bile
The gallbladder empties less frequently
Bile becomes more concentrated
Cholesterol can crystallize and form stones

This is not unique to GLP-1 medications. Any rapid weight loss, whether from diet, surgery, or medication, can increase gallstone risk.

Symptoms of gallbladder problems

Watch for these warning signs:

Severe pain in the upper right abdomen or upper middle abdomen
Pain that radiates to the back or right shoulder
Pain that starts after eating, especially fatty foods
Nausea or vomiting
Fever or chills
Yellowing of the skin or eyes (jaundice)
Dark urine or light-colored stools

How to reduce gallbladder risk on GLP-1s

While gallbladder disease cannot always be prevented, you can reduce your risk:

Avoid very rapid weight loss
Include some healthy fats in your diet so the gallbladder empties
Eat regular meals
Stay hydrated
Include fiber from vegetables, fruits, and whole grains
Do not skip meals for long periods

Should you avoid GLP-1s if you have gallstones?

If you have a history of gallstones or gallbladder disease, tell your provider before starting a GLP-1 medication. In some cases, they may recommend monitoring or choosing a different treatment. Active gallbladder disease may require treatment before starting GLP-1 therapy.

Talk to a Provider About GLP-1 Safety

When to seek medical care

Contact your provider or seek urgent care if you have:

Severe upper-right abdominal pain lasting more than a few hours
Pain with fever or jaundice
Persistent vomiting
Signs of dehydration

GLP-1 gallbladder warnings

The FDA labels for Wegovy, Ozempic, Mounjaro, and Zepbound all include warnings about gallbladder disease. This is a class-wide caution. Most people do not experience gallbladder problems, but it is important to know the symptoms.

Frequently asked questions

Are gallstones common with Ozempic?

Gallbladder events are reported in a small percentage of patients. Rapid weight loss, not necessarily the drug itself, is believed to be a major factor.

Can Wegovy cause gallbladder removal?

A very small number of people may develop severe gallbladder disease requiring surgery. This is rare.

Will losing weight slowly prevent gallstones?

Slower, steady weight loss and regular meals may reduce gallstone risk compared to very rapid weight loss.

Does tirzepatide have the same gallbladder risk as semaglutide?

Both medication classes carry gallbladder warnings. The risk is related to rapid weight loss, which can occur with both.

Can I still take GLP-1s without a gallbladder?

Many people take GLP-1 medications after gallbladder removal. Tell your provider about your surgery history.

Related guides

GLP-1 Side Effects Complete Guide

Conclusion

GLP-1 medications carry a low but real risk of gallbladder problems, mostly related to rapid weight loss. Eating regular meals with moderate healthy fats, staying hydrated, and avoiding extreme calorie restriction can help. Know the warning signs and contact your provider if symptoms occur.

If you are concerned about gallbladder risk or other side effects, speak with a licensed US telehealth provider to discuss safe GLP-1 options for your health history.

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