Weight management has changed quickly in the last few years—especially with newer prescription medications. This page gives an overview of current options, how they differ, and why insurance often requires “comorbidities” before covering them. It’s meant to help you ask better questions, not to replace a visit with your medical provider.

Current FDA‑approved prescription weight loss medications

These medications are typically approved for adults with obesity (BMI ≥30) or overweight (BMI ≥27) plus at least one weight‑related health condition, alongside diet and exercise.

GLP‑1 and related injectable medications

• Wegovy, aka Ozempic (semaglutide)
  Use: Chronic weight management; also approved to reduce cardiovascular risk and treat certain liver disease (MASH) in adults with obesity or overweight plus risk factors. Though Ozempic is chemically the same drug, only Wegovy is approved by the FDA for weight loss. Ozempic is often prescribed to treat comorbidities (see below for more on comorbidities).
  Form: Once‑weekly injection; higher‑dose Wegovy HD is now available for patients who need additional weight loss.

• Zepbound (tirzepatide)
  Use: Weight loss in adults with obesity; also approved for moderate‑to‑severe obstructive sleep apnea in adults with obesity.
  Form: Once‑weekly injection.

• Saxenda (liraglutide)
  Use: Daily injection for chronic weight management.

Oral (pill) weight loss medications

• Foundayo (orforglipron)
  Use: Once‑daily GLP‑1 tablet for adults with obesity or overweight; helps reduce appetite and slow digestion, with meaningful weight loss in trials.
  Form: Oral pill.

• Wegovy oral tablet (semaglutide)
  Use: First oral GLP‑1 agonist approved in the U.S. for chronic weight management; similar efficacy to injections when taken correctly.
  Form: Daily pill with specific dosing instructions (empty stomach, timing, etc.).

• Contrave (bupropion/naltrexone)
  Use: Appetite and craving control for chronic weight management.
  Form: Oral pill.

• Qsymia (phentermine/topiramate)
  Use: Appetite suppression and enhanced satiety.
  Form: Oral pill.

Key differences among weight loss medications

How they work

• GLP‑1 and related agents (Wegovy, Zepbound, Saxenda, Foundayo)
  Mechanism: Mimic gut hormones that reduce appetite, slow stomach emptying, and improve blood sugar.
  Benefits: Significant average weight loss and improvements in blood pressure, cholesterol, and diabetes markers in clinical trials.

• Combination oral agents (Contrave, Qsymia)
  Mechanism: Act on the brain’s appetite and reward centers to reduce hunger and cravings.
  Benefits: Moderate weight loss; often less expensive than newer GLP‑1 drugs but may have different side‑effect profiles.

Oral vs injectable options

• Injectable GLP‑1s (Wegovy, Wegovy HD, Zepbound, Saxenda)
  Pros: Strong evidence for weight loss and cardiometabolic benefits; weekly or daily dosing.
  Cons: Need injections; may have higher upfront cost; insurance coverage can be variable.

• Oral GLP‑1s (Foundayo, Wegovy pill)
  Pros: Pill form—no injections; similar weight‑loss efficacy in trials when taken correctly.
  Cons: Strict dosing instructions (timing, fasting, water limits) and potential for more GI side effects in some patients; adherence is crucial.

• Traditional oral agents (Contrave, Qsymia)
  Pros: Familiar pill format; often broader insurance coverage; may be appropriate when GLP‑1s are not covered or not tolerated.
  Cons: Different side‑effect profiles (for example, mood, blood pressure, heart rate) and generally less weight loss than newer GLP‑1s in studies.

What does the research show about weight loss medications?

Modern weight loss medications—especially GLP‑1–based drugs—have been studied in large, randomized clinical trials and consistently show meaningful weight loss when combined with lifestyle changes.

• Semaglutide (Wegovy, oral semaglutide)
  Evidence: In major trials of obese or overweight adults, weekly semaglutide injections led to average weight loss of around 15% of body weight over about 68 weeks, compared with much smaller losses on placebo plus lifestyle changes. Similar trials of oral semaglutide for weight management also showed significant weight reduction versus placebo.

• Tirzepatide (Zepbound)
  Evidence: Trials in adults with obesity found average weight loss in the range of 15–20% of body weight, depending on dose, again clearly greater than placebo plus lifestyle changes.

• Liraglutide (Saxenda)
  Evidence: Daily liraglutide injections produced moderate but clinically meaningful weight loss (often around 5–8% of body weight) and improvements in blood sugar and cardiometabolic markers compared with placebo.

• Contrave and Qsymia (oral combinations)
  Evidence: These medications generally lead to 5–10% body‑weight loss in many patients when used with diet and exercise, which is still enough to improve blood pressure, blood sugar, and cholesterol in many cases.

Major organizations—including the AMA and CDC—recognize that even 5–10% weight loss can significantly reduce the risk of type 2 diabetes, cardiovascular disease, and other obesity‑related comorbidities, and they support treating obesity as a chronic disease using evidence‑based tools, including medications when appropriate.

These results don’t mean every patient will have the same response, but they do show that, under medical supervision, these medications can be powerful tools for long‑term weight management.

Possible side effects and safety considerations

All medications have potential side effects, and not every drug is right for every person. A careful medical evaluation is essential before starting any weight loss medication.

Common side effects of GLP‑1 and related medications (Wegovy, Zepbound, Saxenda, oral GLP‑1s):

• Gastrointestinal symptoms: Examples include nausea, vomiting, diarrhea, constipation, abdominal pain, and bloating. These are often dose‑related and may improve over time as the dose is slowly increased.

• Decreased appetite and early fullness: This is part of how the drugs work, but in some people it can lead to inadequate nutrition if not monitored.

• Potential gallbladder issues: Rapid weight loss and GLP‑1 therapy can increase the risk of gallstones in some patients.

• Rare but serious risks: Pancreatitis, severe allergic reactions, and (in animal studies) thyroid C‑cell tumors. Because of this, many GLP‑1 drugs are not recommended for people with a personal or family history of certain thyroid cancers (like medullary thyroid carcinoma) or multiple endocrine neoplasia type 2.

Common side effects of Contrave (bupropion/naltrexone):

• Nausea, headache, constipation, dizziness, dry mouth.

• Mood and neuropsychiatric effects: Because bupropion affects brain chemistry, it may influence mood, anxiety, or sleep; it is not appropriate for everyone.

• Blood pressure and heart rate: Can increase blood pressure or heart rate in some patients, so monitoring is important.

Common side effects of Qsymia (phentermine/topiramate):

• Tingling sensations, dizziness, altered taste, insomnia, constipation.

• Heart rate and blood pressure changes: Phentermine is a stimulant‑like medication and can affect cardiovascular parameters.

• Cognitive effects: Topiramate can cause difficulty with concentration or memory in some people.

• Pregnancy risk: Qsymia is not safe in pregnancy and requires effective contraception and regular pregnancy testing in people who can become pregnant.

Why side effects and risks must be discussed with a medical provider

Because these medications act on hormones, the brain, and multiple organ systems, they must be:

• Selected carefully based on your medical history, current medications, and comorbidities.

• Started at appropriate doses and titrated slowly to minimize side effects.

• Monitored over time with follow‑up visits, lab work when needed, and ongoing discussion of benefits and risks.

Our practice focuses on safe, individualized care—we don’t prescribe weight loss medications automatically or as part of a one‑size‑fits‑all subscription. Instead, we:

• Review your full health picture and comorbidities.

• Discuss realistic expectations for weight loss.

• Explain potential side effects and warning signs.

• Coordinate with your other healthcare providers when needed.

What are “comorbidities” and why do they matter for insurance?

Comorbidities are other medical conditions that occur along with obesity and are worsened by excess weight. Many insurers only cover weight loss medications when obesity is accompanied by at least one significant comorbidity.

Common weight‑related comorbidities include:

• Cardiometabolic conditions
  Examples: High blood pressure, high cholesterol, coronary artery disease, stroke, type 2 diabetes.

• Sleep and breathing disorders
  Examples: Obstructive sleep apnea, obesity hypoventilation.

• Joint and mobility problems
  Examples: Osteoarthritis, chronic back or knee pain.

• Liver and gallbladder disease
  Examples: Metabolic dysfunction‑associated steatohepatitis (MASH), nonalcoholic fatty liver disease, gallstones.

• Certain cancers and other conditions
  Examples: Endometrial, breast, colon, kidney, gallbladder, and liver cancers; depression and other mental health concerns.

Major medical organizations—including the American Medical Association (AMA) and the Centers for Disease Control and Prevention (CDC)—recognize obesity as a chronic, complex disease that increases the risk of these comorbidities and contributes substantially to preventable illness and healthcare costs.

Because of this:

• Insurance plans often require:

  • A documented diagnosis of obesity or overweight.

  • At least one qualifying comorbidity.

  • Evidence of lifestyle efforts (nutrition, physical activity) and medical supervision.

• Coverage varies widely:
  Some plans cover GLP‑1 medications only for diabetes, not for weight loss; others require prior authorization or step‑therapy (trying older medications first).

A visit with a medical provider allows proper documentation of comorbidities, review of your full health picture, and selection of the safest, most appropriate medication—if medication is indicated at all.

Why visit a medical practice instead of a subscription weight loss clinic?

Many commercial weight loss clinics and online programs charge high out‑of‑pocket fees or monthly subscriptions that may not be necessary and may not coordinate with your overall medical care.

Benefits of seeing our medical practice:

• Immediate appointment availability:
  We offer prompt visits, so you don’t have to wait months to discuss weight concerns or medication options.

• Comprehensive medical evaluation:
  We review your full health history, medications, labs, and comorbidities—not just your weight or BMI. This helps identify which treatments are safe and appropriate, and which underlying conditions need attention first.

• Evidence‑based prescribing:
  When medication is appropriate, we use current clinical guidelines and trusted sources (such as FDA approvals, major trials, and positions from organizations like the AMA and CDC) to guide choices, dosing, and monitoring.

• Insurance‑aware planning:
  We can help document comorbidities, submit necessary information for prior authorizations, and discuss alternatives if a particular drug is not covered.

• Integrated care, not just a subscription:
  Weight management is connected to heart health, mental health, sleep, joints, and more. Seeing a medical practice means your weight plan is coordinated with your primary care and specialists, rather than existing in a separate subscription silo.

Our goal is to treat obesity as the chronic medical condition it is—using nutrition, physical activity, behavioral support, and medications when appropriate—rather than selling a one‑size‑fits‑all program.

Important disclaimer

This page is for general information only. It:

• Does not provide individual medical advice.

• Does not establish a doctor–patient relationship.

• Is not a substitute for consulting a medical provider.

Medication decisions—including whether to start, stop, or change any weight loss drug—must be made in conversation with a qualified healthcare professional who knows your medical history, current medications, allergies, and personal health goals.

If you are interested in medical weight management, we encourage you to schedule an appointment so we can review your health in detail and discuss whether lifestyle changes, medications, or other options are right for you.