Ozempic is a brand-name drug for its generic form, semaglutide. It is an injectable manufactured by Danish pharmaceutical company Novo Nordisk. The drug is FDA-approved to treat type 2 diabetes, but has become popular for its weight loss effects. Reports indicate that over a third of Ozempic users do not have diabetes and are using it for weight loss. This increased demand has led to a global shortage of the drug.
With so many people using the drug off-label, it’s important to ask–Is Ozempic safe? What side effects might come with this use? This article will examine how Ozempic works, its approved purpose, and the possible risks. Whether users are considering Ozempic for diabetes or weight loss, it’s essential to understand its safety.
Approved Ozempic Indications
The FDA approved Ozempic in 2017 to help control blood sugar levels in adults with type 2 diabetes when combined with diet and exercise. In 2020, its approval expanded to include reducing the risk of heart attack, stroke, or death in patients with type 2 diabetes and existing heart disease.
Ozempic’s Efficacy in Weight Loss and Diabetes
A 2021 study showed that Ozempic effectively lowered blood sugar (HbA1c) levels in adults with type 2 diabetes. Over 40 weeks, participants taking a 2.0 mg dose of semaglutide had an average HbA1c reduction of 2.2%, while those on a 1.0 mg dose saw a 1.9% reduction.
The higher dose also led to slightly more weight loss, with participants losing an average of 15 lbs compared to about 13 lbs with the lower dose. The 2.0 mg dose offers a more potent option for those needing greater blood sugar control and weight loss support.
| Measure | Ozempic 1.0 mg | Ozempic 2.0 mg |
|---|---|---|
| Blood Sugar Reduction | 1.9% | 2.2% |
| Body Weight Reduction | 13.2 lbs | 15.2 lbs |
Ozempic’s Safety for Users
Here’s a look at Ozempic’s safety among diverse groups, its effects on the body organs, and its off-label uses.
Contraindications to Ozempic

Ozempic should not be used by individuals with the following conditions:
-
- History of medullary thyroid carcinoma (MTC)
- Multiple endocrine neoplasia syndrome type 2 (MEN 2)
- Allergy to semaglutide or any ingredients in Ozempic
- Pancreas or kidney problems
- Diabetic retinopathy
- Pregnant, breastfeeding, or planning to become pregnant or breastfeed. Discontinue Ozempic at least 2 months before planning to become pregnant.
A healthcare provider should be informed about all medications being taken, including prescription and over-the-counter medicines, vitamins, herbal supplements, and other diabetes medications such as insulin or sulfonylureas.
Ozempic Side Effects
Ozempic has common and long term side effects, including:
Common Side Effects
-
- Nausea
- Vomiting
- Diarrhea
- Abdominal pain
- Constipation
Serious allergic reactions, such as swelling of face, lips, tongue, and throat, as well as chest pain and rashes, can also occur.
Long-Term Effects of Ozempic
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- Pancreatitis with symptoms like persistent, severe abdominal pain that may radiate to the back.
- Changes in vision
- Low blood sugar with symptoms such as dizziness, anxiety, irritability, fast heartbeat, confusion, sweating, and jitters.
- Kidney problems manifesting in diarrhea, vomiting, and dehydration.
- Gallbladder problems such as upper stomach pain, fever, jaundice, clay-colored stools
Pro Tip!
To prevent gastrointestinal side effects from Ozempic, users should steer clear of greasy and high-sugar foods. Novo Nordisk recommends opting for high-water-content foods, like soup, and consuming clear, ice-cold beverages instead.
Final Verdict: Is Ozempic Safe to Use?
While Ozempic offers a practical option for managing type 2 diabetes and supporting weight loss, it should be approached with caution. It is not considered safe for teenagers, elderly individuals, those who are pregnant, or breastfeeding. The safety of using Ozempic depends significantly on individual health status, medical history, and a healthcare provider’s evaluation. Consulting with healthcare professionals is essential to weigh the benefits against the risks of taking Ozempic.
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