October 8, 2024

What Are the Side Effects of Weight Loss Medications?

For those exploring the benefits of weight loss medications, it’s quite natural to wonder about the possibility of adverse reactions.  

Medications, when professionally prescribed and administered, can be effective tools for managing obesity and supporting your journey toward a healthier lifestyle. However, like any treatment, they may come with potential side effects.  

While every medication comes with its own set of considerations, it’s important to remember that these treatments can be incredibly effective when used correctly and under the proper guidance.  

At Maryland Weight Care, we’re here to see you safely through your options, ensuring you find the right path for your unique health journey. 

Understanding GLP-1 Receptor Agonists 

GLP-1 receptor agonists are a class of medications prescribed to treat diabetes and excess weight. Examples include Ozempic, Wegovy, and Saxenda, which work by mimicking a gut hormone that regulates appetite and insulin and slows digestion. Some of the most common GLP-1 medications include:  

  • Semaglutide (Brand names: Ozempic, Wegovy) 
  • Liraglutide (Brand name: Saxenda) 

Additionally, a newer drug known as tirzepatide (branded as Mounjaro and Zepbound), not only impacts the GLP-1 hormone but also GIP (gastric inhibitory polypeptide), a hormone that induces the secretion of insulin. This dual action makes tirzepatide unique among weight loss medications, but like all treatments, it’s important to be aware of potential side effects. 

What Are the Side Effects of Weight Loss Medications?  

Nausea is perhaps the most frequent side effect reported in conjunction with GLP-1 agonists and tends to be more common at the beginning of treatment before decreasing over time. Other noted side effects include:  

  • Diarrhea  
  • Constipation 
  • Heartburn 

While most GLP-1 medications share the above side effects, some may vary in how they affect each recipient.  

Most side effects associated with GLP-1 agonists diminish as your body adjusts to the medication. At Maryland Weight Care, we monitor patients closely to ensure any medications prescribed are well-tolerated. 

Non-GLP-1 Medications: What to Expect 

Non-GLP-1 medications include options like phentermine, phentermine-topiramate (Qsymia) bupropion-naltrexone (Contrave), and orlistat.  Metformin is also commonly prescribed off label for prediabetes/insulin resistance.

  1. Phentermine (Adipex-P, Lomaria): A stimulant that works by affecting the central nervous system, phentermine helps promote weight loss by suppressing appetite and reducing hunger. Potential side effects may include:  
  • Insomnia 
  • Dry mouth 
  • Restlessness
  • Increase in blood pressure
  1. Qsymia (Phentermine-Topiramate): The most effective oral weight loss medication, Qsymia is a combination of phentermine and topiramate. It helps promote weight loss by reducing appetite.  Noted side effects include: 
  • Tingling in the hands or feet 
  • Feeling tired or fuzzy
  • Nervousness
  • Dry mouth 
  • Increase in blood pressure
  • Constipation
  1. Bupropion-Naltrexone (Contrave): A combination medication that works on the brain to regulate appetite and cravings, bupropion makes it easier for some to stick to dietary changes. Some common side effects include the following:
  • Nausea 
  • Headache 
  • Dizziness 
  1. Orlistat (Alli): This enzyme inhibitor blocks fat absorption in the intestines, reducing calorie intake and promoting weight loss when used with a low-fat diet. Some more common side effects include:
  • Digestive issues (e.g., gas, abdominal pain, bloating, diarrhea) 
  • Oily stools (steatorrhea)  

The side effects associated with most weight loss drugs are often temporary and manageable, but you should always consult with your physician if you experience: 

  • Persistent vomiting or severe gastrointestinal distress 
  • Chest pain, rapid heart rate, or difficulty breathing 
  • Severe allergic reactions 

Managing Side Effects with Maryland Weight Care 

At Maryland Weight Care, our goal is to find the most effective and tolerable solution for you.  We carefully assess your health history and adjust your personalized plan as needed. By working closely together, we minimize the impact of side effects while ensuring a safe and effective weight loss journey. 

The Big Picture: Effective Weight Loss with Compassionate Care (and a Healthy Lifestyle)  

One final point to keep in mind: weight loss medications are tools, not magic solutions. More importantly, no two people pursuing weight loss are the same, and that means there is certainly no “one-size-fits-all” solution.  

While weight loss medications can be an important part of your journey, they’re only one part of the equation.  Maintaining your progress requires a balanced lifestyle that includes regular physical activity, nutritious eating, adequate sleep, and working on one’s emotional well-being.  

At Maryland Weight Care, Dr. Parisi and team are here to support you every step of the way, ensuring you have the tools, guidance, and encouragement needed to achieve and maintain your weight loss goals. Dr. Parisi is committed to helping you create lasting lifestyle changes that support long-term success. 

Again, weight loss medications can certainly have side effects, making a comprehensive approach including lifestyle changes, nutritional guidance, and regular follow-ups essential. At Maryland Weight Care, we take your unique health situation into account and tailor a treatment plan that aligns perfectly with your needs. Book your introductory call today. 

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