Zepbound is prescribed as a once-weekly injection for chronic weight management, and getting it involves meeting specific BMI criteria, starting at a low dose, and gradually increasing over several months. The process is straightforward, but there are eligibility requirements, a built-in dose escalation schedule, and some safety considerations your provider will review before writing the prescription.
Who Qualifies for a Prescription
Zepbound is FDA-approved for adults with obesity (BMI of 30 or higher) or adults with a BMI of 27 or higher who also have at least one weight-related health condition, such as high blood pressure, high cholesterol, or type 2 diabetes. Your provider will calculate your BMI and review your medical history to determine whether you meet these thresholds.
There is one absolute disqualification: Zepbound carries a boxed warning about thyroid tumors and is contraindicated for anyone with a personal or family history of medullary thyroid carcinoma (MTC) or a rare condition called Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Your provider will ask about your thyroid history before prescribing.
What Happens at the Appointment
The FDA label does not require any specific blood work before starting Zepbound. In practice, most providers will check your baseline health with routine labs, especially if you have diabetes or kidney concerns. For people with diabetes, blood glucose monitoring is recommended before starting and throughout treatment. Beyond that, the prescribing process is relatively simple: your provider confirms you meet the BMI criteria, reviews your medical history for contraindications, and writes the prescription.
You can get a Zepbound prescription from a primary care doctor, an endocrinologist, or an obesity medicine specialist. Telehealth is also an option. Eli Lilly partners with several independent virtual care platforms that connect patients with board-certified obesity medicine providers and registered dietitians. Some of these services require you to also maintain a relationship with a primary care provider for coordinated care, while others offer both virtual and in-person visits.
The Dose Titration Schedule
Zepbound is not prescribed at full strength from day one. Everyone starts at 2.5 mg once weekly for the first four weeks. This starting dose is designed to let your body adjust and minimize side effects like nausea, which is the most common complaint during the early weeks.
After that initial month, your provider increases the dose in 2.5 mg steps, with at least four weeks between each increase. The maintenance doses are 5 mg, 10 mg, or 15 mg per week, depending on how you respond and what you tolerate. Not everyone needs the highest dose. Your provider will work with you to find the level that produces meaningful weight loss without intolerable side effects. Reaching the maximum 15 mg dose takes a minimum of about six months if you move through every increment on the fastest possible timeline.
How You Take It
Zepbound comes in a prefilled, single-dose pen that you inject yourself under the skin once a week. You can inject it on any day at any time, with or without food. The recommended injection sites are the abdomen and thigh; if someone else is giving you the shot, they can also use the back of your upper arm. You should rotate injection sites each week.
Using the pen takes about 10 seconds. You place the flat base against your skin, unlock the ring, and press the purple button. Two clicks tell you what’s happening: the first means the injection has started, and the second means it’s finished. A visible gray plunger confirms the full dose was delivered. Each pen is used once and discarded.
What It Costs With and Without Insurance
Cost is one of the biggest practical hurdles with Zepbound, and it varies dramatically depending on your insurance situation. Eli Lilly offers a savings card program (valid through December 31, 2026) with several tiers.
- Commercial insurance that covers Zepbound: You can pay as little as $25 per month, with savings capped at $100 per one-month fill and $1,300 per calendar year.
- Commercial insurance that doesn’t cover Zepbound: Lilly offers the single-dose pen for as low as $499 per month. A multi-dose KwikPen option runs between $299 and $449 per month depending on the dose.
- Medicare Part D: Starting July 1, 2025, eligible Medicare Part D patients will be able to get the Zepbound KwikPen for $50 per month for weight management, though final eligibility depends on Medicare’s coverage criteria.
You must be a U.S. or Puerto Rico resident and at least 18 years old to use the savings card. Patients enrolled in Medicaid, VA, TRICARE, or other government-funded programs (outside the specific Medicare bridge program) are not eligible for the discount.
Ongoing Monitoring While on Zepbound
Once you’re on Zepbound, your provider will want to check in periodically, especially during the dose escalation phase. If you experience persistent vomiting, diarrhea, or other symptoms that could lead to dehydration, your kidney function should be monitored. If you develop severe abdominal pain that could indicate pancreatitis, the medication needs to be stopped and should not be restarted if pancreatitis is confirmed.
For people with diabetes taking other blood sugar-lowering medications alongside Zepbound, blood glucose monitoring is important because the combination can increase the risk of low blood sugar. Your provider may need to adjust your other diabetes medications as you lose weight and your metabolic profile changes.