Questions to Ask Before Starting a GLP-1 Medicine

A first conversation about GLP-1 treatment can feel like a lot to take in. The goal is not to arrive knowing every drug name or trial result. It is to leave understanding why a treatment is being considered, what benefits and risks apply to you, and how follow-up will work.

Questions about the goal and the product

Ask what the medicine is meant to improve in your case: blood-sugar control, chronic weight management, or another specific outcome. Confirm the exact product name and active ingredient, which approved use applies in your country, and whether any alternatives fit your health history better. Brand names and approved uses can differ even when products contain the same ingredient; in the US, for example, Ozempic and Wegovy both contain semaglutide but are approved for different uses.

Questions about safety and side effects

Ask which symptoms are common, which need a call to the clinic, and which need emergency care. Share your full medication list (including supplements), allergies and your health history. A few things are especially worth mentioning:

• Thyroid history. The US labels for Ozempic, Wegovy, Mounjaro and Zepbound carry a boxed warning about thyroid C-cell tumors seen in rodents, and these medicines should not be used by people with a personal or family history of medullary thyroid cancer, or by people with multiple endocrine neoplasia syndrome type 2 (MEN 2). Our explainer on the thyroid cancer warning covers what that does and does not mean.
• Pancreas, gallbladder, kidney and digestive history, including past pancreatitis or gastroparesis.
• Diabetes medicines. Insulin or sulfonylureas can raise the risk of low blood sugar when combined with a GLP-1.
• Eye history if you have diabetes and retinopathy.
• Planned surgery or sedation, since these medicines slow stomach emptying and your anesthesia team needs to know.
• Mental health and eating-disorder history, so care can be planned around you.

Questions about pregnancy and contraception

If pregnancy is possible or planned, raise it early. Labels differ by product. The US Wegovy label, for example, advises stopping at least 2 months before a planned pregnancy because semaglutide stays in the body for a long time, while the Zepbound label notes that tirzepatide may make oral birth-control pills less effective for a period after starting and after each dose increase, so a non-oral or backup method is advised then. Ask what applies to your specific medicine.

Questions about the routine

Clarify how to use your exact product, what to do about a missed dose, storage rules, how to dispose of needles or pens, and whom to contact if your dose is unavailable at the pharmacy. Don't rely on another person's directions just because they use a similar-sounding brand.

Questions about evaluating progress

Ask which outcomes will be measured, when the first review will happen, and what would lead your clinician to continue or reconsider the plan. Discuss cost, insurance, local availability and what support exists for side effects or supply interruptions. These are central practical issues, not embarrassing details (more in our guide to GLP-1 treatment costs and access). It's also fair to ask what the long-term plan looks like, since weight often returns after these medicines are stopped.

Bring a short note

Write down your top three concerns and the other medicines you take. If you feel rushed, ask for the most important instructions in writing, or ask the pharmacist to walk you through them again. It's completely okay to ask for plain language.

A good appointment is a two-way decision. You don't have to choose based on hype, fear or a stranger's success story; you can ask for the evidence and a plan that fits your circumstances.