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FDA Updates Ozempic Label with New Side Effect Warning

Ozempic, a widely used medication for diabetes treatment (mainly type 2), has been flagged by the Food & Drug Administration (FDA) for a potential new side effect. In a recent update, the FDA has included ileus, a gastrointestinal disorder, as a reported adverse effect of Ozempic. Ileus is a condition where the intestines temporarily lose their ability to contract, leading to a blockage that prevents the movement of food and waste through the body.

This addition to Ozempic’s label follows reports of nearly 9,000 gastrointestinal issues related to the medication since 2018, out of over 14,000 reported side effects. The update also comes after a lawsuit filed by a Louisiana woman who claimed that Ozempic, along with another diabetes drug called Mounjaro, caused her severe vomiting, stomach pain, and emergency room visits.

Despite these concerns, experts like Betul Hatipoglu, MD, director of the university’s Center for Diabetes, Obesity, and Metabolism and professor of medicine at Case Western Reserve University, emphasize the importance of weighing the benefits of Ozempic against its risks. Hatipoglu advises that while the label update is a crucial warning, it shouldn’t deter patients who could significantly benefit from the medication. She asserts that the rare occurrence of this side effect should not overshadow the advantages that many patients experience with Ozempic.

The New FDA Warning: Intestinal Blockages (Ileus)

The FDA’s decision to update Ozempic’s label came after multiple reports of intestinal blockages in patients using the medication. These blockages, medically termed ileus, prevent the normal movement of excreta (waste matter) through the intestines, leading to symptoms such as bloating, abdominal cramps, constipation, nausea, and vomiting. The updated label aims to alert healthcare providers and patients to this rare but serious side effect. Now, let’s understand first what this condition is and why taking caution and action becomes necessary.

Ileus is a medical condition characterized by a temporary cessation of bowel function. It’s not a common ailment, but when it occurs, medical supervision is essential for resolution. Dr. Hatipoglu explains that ileus is most frequently observed following abdominal surgeries. During these procedures, the bowel may be manipulated in a way that temporarily halts its function.

Another typical cause of ileus is the presence of a mass or blockage in the intestines. This could be due to a tumor or scar tissue from previous surgeries. Scar tissue, in particular, can constrict the intestine, akin to how a hair tie or rubber band might, preventing regular bowel movements.

The FDA’s reference to ileus cases in relation to Ozempic usage is not very detailed, making it challenging to pinpoint how the medication specifically contributes to these bowel obstructions. However, Dr. Hatipoglu suggests that ‘How Ozempic works’ could be a factor. The medication works by delaying gastric emptying, meaning food stays in the stomach longer, slowing down digestion. This slowdown could exacerbate underlying bowel vulnerabilities, leading to ileus in susceptible individuals.

Implications and Other Gastrointestinal Concerns

While the exact link between Ozempic and ileus is not definitively established, the warning underscores the importance of monitoring for gastrointestinal issues. Ozempic users should be aware of potential symptoms and seek medical attention if they experience any signs of intestinal blockage.

Additionally, there have been discussions about the relationship between Ozempic and gastroparesis, a condition characterized by delayed stomach emptying. Although a direct connection has not been confirmed, patients must communicate with their healthcare givers if they notice any persistent digestive issues while using Ozempic.

Doctors & Patients Should Keep Ozempic Side Effects in Mind

When considering Ozempic for managing type 2 diabetes or weight loss, it’s essential to be aware of its potential side effects, which are closely linked to how the medication works. The most mild and possible side effects include constipation, nausea, vomiting, and occasionally diarrhea. These issues arise from Ozempic’s impact on the digestive system, which slows down the movement of food through the stomach and intestines (digestion process).

While these side effects are relatively common, there are rarer adverse reactions to be mindful of, such as skin rashes, gallbladder problems, abdominal pain, and jaundice. Although these are less frequent, they are still essential to consider. It’s worth noting that Ozempic is not the only medication with such side effects. Other diabetes medications like Mounjaro and weight loss drugs like Wegovy, which also contain semaglutide, have similar gastrointestinal warnings.

As of now, there aren’t specific measures to prevent these side effects if you’re taking Ozempic or similar medications. However, being aware of the possibility of ileus, a type of intestinal blockage, is crucial. If you experience the side effects mentioned earlier in this blog while on Ozempic, it’s important to contact your doctor as soon as possible, as these could be signs of a more severe problem.

How to Manage this Ozempic Side Effect?

Here’s how you can manage this side effect and keep your treatment on track:

1. Stay Hydrated: Drink plenty of water & eat fruits that mostly contain water (like cucumber, watermelon, etc) that will help prevent constipation, a precursor to ileus. Aim for at least eight glasses of water a day.

2. Eat a Fiber-Rich Diet: Incorporate high-fiber foods like vegetables, fruits, & whole grains into your diet. Fiber helps in keeping things moving smoothly through your digestive system.

3. Exercise Regularly: Physical activity stimulates your intestines and can help prevent constipation. Even a daily walk for about 10 minutes at least makes a huge difference.

4. Monitor Your Symptoms: Pay close attention to any changes in your bowel habits. If you experience persistent nausea, vomiting, or abdominal pain, contact your healthcare provider immediately.

5. Follow Medication Guidelines: Take Ozempic precisely as prescribed by your doctor. Be sure to consult your healthcare provider before skipping doses or adjusting your medication.

6. Seek Medical Attention: If you notice or suspect you have ileus, seek medical attention promptly. This condition may require treatment in a hospital setting to relieve the blockage.

You may not be able to cure your side effects, but you can keep them under control by adhering to these important safety information.


The FDA’s addition of a warning for intestinal blockages to Ozempic’s label highlights the need for vigilance when using this medication. Patients taking this medication should be informed about the potential risks and consult their healthcare providers if they experience any concerning symptoms. As with any medication, the benefits of Ozempic must be weighed against the possible risks, and this new warning is an essential factor to consider in that evaluation. While ileus is not a widespread issue, it’s a condition that requires medical attention, particularly in the context of certain medications like Ozempic. Understanding its causes and potential links to medication can help in better managing and preventing this ‘digestive dilemma.’

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