07 Oct Weight loss Drugs and Their Potential Side Effects: What to Look Out For
In recent years, weight-loss drugs have transformed the landscape of weight management, offering hope to individuals struggling with overweight or obesity. Medications like Ozempic and Wegovy, both GLP-1 receptor agonists, have surged in popularity due to their ability to promote dramatic weight loss. However, as with any prescription medications, it’s crucial to understand how these drugs work, what benefits they offer, and the potential side effects they carry, especially for those with underlying conditions like diabetes, high blood pressure, or autoimmune disorders.
How Do Weight-Loss Drugs Like Ozempic and Wegovy Work?
Ozempic (semaglutide) and Wegovy are part of a newer class of GLP-1 drugs (glucagon-like peptide-1 receptor agonists). Developed initially to manage type 2 diabetes, these drugs work by mimicking the action of the natural hormone GLP-1. This hormone helps regulate blood sugar and promotes a feeling of fullness, assisting people to lose weight by reducing appetite and food intake.
Wegovy is specifically approved for weight loss in people who are overweight or obese, with or without type 2 diabetes. Ozempic, although originally used to treat diabetes, is increasingly being prescribed off-label for weight loss. These new weight loss drugs are typically recommended for individuals with a body mass index (BMI) of 27 or higher, particularly when other health risks accompany excess weight.
Common and Potential Side Effects of GLP-1 Weight Loss Drugs
While weight loss drugs like Ozempic and Wegovy can lead to significant reductions in body weight—often more than 10% of total body weight—they are not without side effects. Patients should be aware of both common and serious side effects before starting treatment.
Common Side Effects Include:
- Nausea
- Vomiting
- Constipation
- Diarrhea
- Stomach pain or cramping
- Unpleasant gastrointestinal side effects
These side effects of GLP-1 drugs are often more noticeable when patients first start taking a GLP-1, but they tend to improve over time. However, for some, they can be severe enough to stop taking the medication altogether.
More Serious Side Effects to Watch Out For:
- Pancreatitis (inflammation of the pancreas)
- Thyroid cancer (rare, but a concern, particularly with a family history)
- Gallbladder disease
- Kidney problems
- Low blood sugar, especially in people taking other diabetes medications
- Increased heart rate
The FDA Endocrinologic and Metabolic Drugs Advisory Committee continues to evaluate these prescription drugs for long-term safety, particularly as more people use Ozempic to lose weight rather than for its original purpose.
Who Should Avoid Weight Loss Drugs Like Ozempic and Wegovy?
Not everyone is a good candidate for prescription weight loss medications. These new weight loss medications are generally used for weight loss in people with a BMI over 27 who have tried and failed to lose weight through diet and exercise alone.
However, you should talk to your health care provider before using them if you:
- Have a personal or family history of medullary thyroid carcinoma
- Have a history of pancreatitis
- Are pregnant or breastfeeding
- Have severe gastrointestinal disorders
- Have known allergies to GLP-1 drugs
Important Considerations When Using Weight Loss Drugs
It’s important to understand that weight-loss drugs may help you lose weight, but they are not magic pills. Long-term success often requires changes in diet, physical activity, and behavior. Also, people sometimes regain the weight they lost if they stop the medication without continuing lifestyle changes.
Here are some tips for those using weight loss drugs:
- Monitor your symptoms closely, especially during the first few weeks.
- Be alert for side effects like nausea, and communicate with your provider.
- Understand that prescription weight loss medications work best when paired with lifestyle changes.
- Don’t abruptly stop taking your medication—talk to your doctor if you experience side effects or are considering stopping.
- Regularly check in with your health care provider to ensure the drugs work as intended and aren’t causing harm.
The Bottom Line
Drugs like Ozempic and Wegovy represent a powerful new option for treating overweight and obesity, particularly for those struggling with related health conditions like diabetes and high blood pressure. These GLP-1 drugs have helped many people achieve dramatic weight loss, but they are not without risks. From unpleasant gastrointestinal side effects to serious side effects like thyroid cancer and pancreatitis, understanding the whole picture is essential.
At Island Rheumatology, we encourage patients to speak openly with their providers about their goals, risks, and any underlying conditions before starting new weight loss drugs. Whether you’re managing diabetes, battling excess weight, or exploring weight and metabolism women’s care, our team is here to support you safely and effectively.
Need Guidance on Weight Loss Medication?
Call Island Rheumatology today to schedule a consultation with a board-certified specialist. We can help you navigate your options and create a safe, effective plan to reach your goals.
