People living with obesity have two well-studied paths to lasting weight loss: prescription medication and bariatric surgery. Medications can help by regulating appetite. Surgery tends to deliver greater, longer-lasting results for patients with significant excess weight or weight-related health conditions.
Dr. Ariel Ortiz®, Medical Director of Obesity Control Center (OCC) in Tijuana, Mexico, has almost two decades of experience in advanced weight-loss surgery. This blog breaks down how each option works and what patients can expect from OCC's surgical program.
How Weight-Loss Medications Work
Prescription weight-loss medications work by changing how the body regulates hunger or absorbs fat. GLP-1 receptor agonists, among the most widely used, mimic a hormone that helps control appetite and blood sugar.
The FDA has approved several medications for long-term weight management, including:
- Semaglutide (Wegovy)
- Tirzepatide (Zepbound)
- Liraglutide (Saxenda)
- Naltrexone-bupropion (Contrave)
- Phentermine-topiramate (Qsymia)
- Orlistat (Xenical, Alli)
According to the National Institutes of Health, these medications work best alongside lifestyle changes such as improved nutrition and physical activity, and their effects depend on continued use. A clinical review found that GLP-1 medications reduce body weight by an average of 15% to 25% over about a year, though results vary by medication and patient.
How Bariatric Surgery Works
Bariatric surgery changes the digestive system to limit food intake and reduce hunger-driving hormones. According to Mayo Clinic, the most common procedures are sleeve gastrectomy, which removes a portion of the stomach, and gastric bypass, which reroutes the small intestine to a smaller stomach pouch.
At OCC, Dr. Ortiz and his surgical team perform advanced techniques such as the IGS Improved Gastric Sleeve®, a proprietary refinement of the standard sleeve procedure designed to improve outcomes and reduce complications.
Comparing Weight-Loss Results: Medication vs. Surgery
Surgery generally produces greater, more durable weight loss than medication alone. Most patients lose about two-thirds of their excess weight in the first year after surgery when they also commit to healthy eating and exercise habits.
Medications tend to produce more modest results, and weight regain is common once treatment stops. Because surgery permanently changes the digestive system, its effects on hunger and portion size can last for life, though maintaining results still requires healthy habits.
Why Patients Choose OCC for Lasting Weight-Loss Surgery
OCC has performed more than 26,000 bariatric procedures and holds Joint Commission International accreditation, achieved three times. Dr. Ortiz holds the certificate of Master Surgeon of Metabolic and Bariatric Surgery from the Surgical Review Corporation and previously served as president of the Mexican College of Bariatric and Metabolic Surgery.
Every OCC patient also receives five years of post-operative support from the practice's Personal Concierge Team, plus all-inclusive travel and accommodations that make surgery in Tijuana, Mexico, more comfortable.
Considering Your Options? Dr. Ortiz and OCC Are Here to Help
Choosing between medication and surgery depends on personal health history and weight-loss goals. For many people with significant weight to lose, surgery with an experienced team like Dr. Ortiz's at OCC may offer a more permanent path forward. Schedule a consultation with Obesity Control Center to discuss which option may be right for you.
This information is provided for educational purposes only and does not replace a consultation with a board-certified bariatric surgeon. Outcomes, risks, and suitability vary from patient to patient.
