Beginner Guide

What to Ask Your Doctor Before Starting GLP-1

GLP-1 Companion · 8 min read

A GLP-1 prescription appointment is often shorter than the magnitude of the decision warrants. Doctors see many patients in a limited time, and unless you come prepared with specific questions, you may leave with a prescription but without the information you need to use it successfully. Asking the right questions upfront sets up a genuine therapeutic partnership, reduces the likelihood of preventable side effects, and aligns your expectations with clinical reality.

Questions About Which Medication Is Right for You

As of 2026, multiple GLP-1 receptor agonists and dual GLP-1/GIP agonists are approved for weight management and type 2 diabetes. The choice between them involves your health history, goals, insurance coverage, and preferences.

• "Which GLP-1 medication do you recommend for me specifically, and why this one over the alternatives?"
• "I have heard about both semaglutide (Wegovy/Ozempic) and tirzepatide (Zepbound/Mounjaro) — which is more appropriate for my situation?"
• "Are there any features of my health history that make one medication safer or more effective for me than another?"
• "Is there a difference in expected weight loss outcomes between the options for someone with my health profile?"

Questions About Dose Escalation

GLP-1 medications use structured dose escalation schedules — starting at a low dose and increasing gradually over months — to minimize side effects while achieving therapeutic effect. Understanding the schedule upfront prevents confusion and unnecessary dose adjustments.

• "What is the starting dose and what does the escalation schedule look like over the first 6 months?"
• "How will I know when I am ready to increase my dose?"
• "Can I stay on a lower dose longer if I am experiencing significant side effects?"
• "What is the maximum dose, and how will we decide if I should stay at a maintenance dose below the maximum?"
• "How long does it typically take your patients to reach their maintenance dose?"

Questions About Side Effects

GLP-1 medications have a well-characterized side effect profile that is largely predictable and manageable with preparation. Knowing what to expect — and what to do about it — significantly improves adherence.

• "What are the most common side effects I should expect, and how long do they typically last?"
• "What should I do specifically to reduce nausea — timing of injections, food choices, meal size?"
• "What are the warning signs of a serious adverse event that should prompt me to seek emergency care?"
• "When should I call your office versus manage side effects on my own at home?"
• "Are there any medications you would recommend to manage side effects if they become disruptive?"

Questions About Expected Results

Realistic expectations protect you from unnecessary disappointment and help you interpret early results correctly.

• "How much weight loss should I realistically expect, and over what timeframe?"
• "How long before I start noticing any effects — appetite changes, weight loss, or other improvements?"
• "What does a response that is not working look like, and at what point would you consider changing my treatment?"
• "Are there particular health markers — HbA1c, blood pressure, cholesterol — where I might see improvements before significant weight loss?"

Questions About Lab Work

Baseline and monitoring labs are an important part of safe GLP-1 therapy, and you should understand exactly what will be tested and why.

• "What baseline blood tests do you recommend before I start?"
• "How often will you want to monitor my labs while I am on this medication?"
• "Are there specific lab values I should watch for at home — like blood pressure or fasting glucose?"
• "Will you be monitoring my thyroid, given the MTC-related contraindication in the prescribing information?"

Questions About Contraindications and Your Health History

GLP-1 medications have specific contraindications and precautions that vary by individual health history. Your prescriber should conduct this review, but confirming it explicitly is appropriate.

• "Given my complete medication list, are there any drug interactions I should know about?"
• "I have [relevant condition — e.g., history of pancreatitis, kidney disease, gallbladder disease] — does that affect whether I should use this medication or how it should be dosed?"
• "Is my family history of thyroid cancer relevant to this prescribing decision?"

Questions About Cost and Coverage

Cost is a major barrier to GLP-1 access. Coming to your appointment with cost-related questions prepared prevents a common scenario where patients start a medication they later cannot afford.

• "Will my insurance cover this medication for my diagnosis, and what does my prior authorization look like?"
• "If insurance does not cover it, what would the out-of-pocket cost be, and are there manufacturer savings cards or patient assistance programs available?"
• "Is there a generic or lower-cost alternative that might work for my situation?"
• "What is the plan if my insurance coverage changes or my prior authorization lapses?"

Questions About Long-Term Use and Stopping

Understanding the long-term nature of GLP-1 therapy — and what happens if treatment is discontinued — helps you make an informed commitment to the medication.

• "Is this medication intended to be a short-term treatment or a long-term one?"
• "What happens to my weight and metabolic markers if I need to stop taking this medication?"
• "What would be a reason to discontinue this medication?"
• "Is there a maintenance dose or phase after I reach my goal weight?"

How to Advocate for Yourself If Your Prescriber Is Hesitant

Some prescribers — particularly those not specialized in obesity medicine — may be hesitant to prescribe GLP-1 medications, harbor outdated biases about obesity treatment, or be unfamiliar with the current clinical evidence. If you meet resistance, there are effective ways to advocate for yourself.

Come prepared with your own health data: BMI, waist circumference, any relevant lab values (HbA1c, blood pressure), and a clear statement of how your weight is affecting your health and quality of life. Reference the clinical evidence — the STEP trial data for semaglutide and SURMOUNT data for tirzepatide are among the most robust in modern endocrinology, showing substantial and durable improvements in multiple health outcomes.

If your primary care provider is unwilling to prescribe and you believe you are an appropriate candidate, requesting a referral to an obesity medicine specialist or endocrinologist is a reasonable next step. Obesity medicine is a board-certified specialty with practitioners who specialize in exactly this context.

Obesity is a recognized chronic disease with established, evidence-based pharmacological treatments. You have the same right to discuss and receive evidence-based treatment for obesity as you would for any other chronic condition.

Key Takeaways

• Come to your consultation with written questions — appointments are short and preparation matters.
• Ask specifically about which medication is recommended for your health profile and why.
• Understand the full dose escalation schedule and what determines when to increase.
• Ask about cost and insurance coverage before leaving the office — not after your first fill.
• If your prescriber is hesitant and you are an appropriate candidate, advocating for a specialist referral is your right.

Sources

• Wilding et al. (2021). Once-Weekly Semaglutide in Adults with Overweight or Obesity. NEJM.
• Jastreboff et al. (2022). Tirzepatide Once Weekly for the Treatment of Obesity. NEJM.