Frequently Asked Questions ||| no-bottom-margin
Browse answers to commonly asked questions about Mounjaro. Explore the list below to learn more. If you do not find the answer you are looking for, we recommend calling Lilly Support Services at 1-800-LillyRx or speaking directly with your healthcare provider. ||| white-text
Coverage, Pricing and Savings
Is Mounjaro covered by insurance? | is-mounjaro-covered
Mounjaro may be covered by some insurances. It’s best to contact your insurance provider directly to verify coverage. Those with commercial drug insurance plans may be eligible to receive a savings card to help with costs of Mounjaro. Learn more about savings and resources at mounjaro.lilly.com/savings-resources. Governmental beneficiaries excluded, terms and conditions apply.
Does Medicare cover Mounjaro? | mounjaro-medicare
For Medicare coverage details, consult your plan provider or visit Pricing Info by Lilly for additional affordability options. To learn more about Medicare, visit medicare.gov where you can find and compare plans in your area, contact Medicare, and find other helpful resources.
What will I pay? | how-much-will-mounjaro-cost-me
I Have Commercial Insurance Through an Employer or Private Plan:
Your actual cost or co-pay will depend on your insurance plan's drug coverage. Each plan is different and will determine your out-of-pocket cost. Almost 9 out of 10 patients will pay between $0–$50 for a 28-day supply of Mounjaro, with the remaining patients paying an average of $2581.
Eligible, commercially insured patients with Mounjaro coverage can pay as little as $25 for up to a 3-month prescription with the Mounjaro Savings Card.
Governmental beneficiaries excluded. Eligibility required, terms and conditions apply. Savings subject to monthly and annual limits. Month is defined as 28-days and up to 4 pens. Card eligibility and terms and conditions may be terminated, rescinded, revoked, or amended by Lilly at any time without notice and for any reason. PROGRAM IS NOT INSURANCE. Review full terms and conditions at https://mounjaro.lilly.com/savings-resources#special-terms-and-conditions.
I have Medicare:
For patients with Medicare Part D coverage, approximately 8 out of 10 patients will pay between $0-$50 for a 28-day supply of Mounjaro, with the remaining patients averaging about $2621. You should know that your out-of-pocket costs could vary throughout the year depending on which phase of the Part D benefit you are currently in. Make sure you stay updated on Medicare plan changes and explore your options. Visit https://www.cms.gov/ to learn more.
For patients with Medicare Part D who also qualify for the Extra Help program,2 the cost will be up to $5.10 a month for generic medications and $12.65 a month for branded3. Check your eligibility.
As a reminder, patients will have a yearly out-of-pocket max of $2,100 in 20264. The yearly cap, or out-of-pocket limit, is the most you could pay during a plan year for your share of the costs of covered Part D prescription medications. After you meet this limit, you will not be responsible for the remaining costs of your prescription medications. Patients will also have the option to split covered prescription costs into monthly payments through the Medicare Prescription Payment Plan (M3P), which is a free budgeting tool for your prescriptions5. If you have a Medicare drug plan or Medicare Advantage plan with drug coverage, you're eligible to opt in at any time. Visit GetMyMeds.com or other third-party sites like https://www.medicare.gov/prescription-payment-plan for more information*.
*Lilly is sharing this information to help raise awareness—GetMyMeds is just one of several ways to enroll.
These are not Lilly-sponsored sites and Lilly cannot guarantee the information provided in those sites. These entities are not associated with or endorsed by Lilly and not an exhaustive list.
I Have Medicaid:
Patients on Medicaid have co-pay costs that range from approximately $5 - $11 a month, on average6.
- To find out if you qualify for Medicaid, or for more information about copayments in your state, please visit: https://www.medicaid.gov/state-overviews/index.html.
I Have No Insurance (Or Mounjaro Is Not Covered By My Insurance):
If you do not have insurance prescription coverage, you should expect to pay the full retail price. The current list price for a 28-day supply of Mounjaro is $1,112.167. The price you actually pay may be dependent on specific terms, and additional taxes and fees that may apply.
However, for commercial patients who do not have coverage of Mounjaro, there are other platforms that can help you navigate the cost of your medicines. For additional patient support, please call Lilly Support Services at 1-800-LillyRx (1-800-545-5979) or ask your pharmacist about other savings tools available to you.
This information is not a guarantee of coverage or payment (partial or full). Actual benefits are determined by each plan administrator in accordance with its respective policy and procedures. Lilly USA, LLC does not endorse any particular plan.
Why does it vary? | why-does-mounjaro-cost-vary
Your cost can differ based on the type of insurance you have, how your plan covers prescription medicines, and whether you’ve reached your deductible or are in a different benefit phase. The price you actually pay may be dependent on specific terms, and additional taxes and fees that may apply.
Is there help? | are-there-savings-options-for-mounjaro
Yes. Eligible patients with commercial insurance may be able to lower their cost with the Mounjaro Savings Card. To learn more about the Mounjaro Savings Program, please visit https://mounjaro.lilly.com/savings-resources. Governmental beneficiaries excluded, terms and conditions apply.
People covered by Medicare, Medicaid, VA, or TRICARE® may also have program-specific support available. If you need help understanding your situation, you can call Lilly Support Services at 1-800-LillyRx for personalized guidance.
What extra steps might be required of my doctor to confirm my coverage? | is-a-prior-authorization-needed-for-mounjaro
Many injectable medicines for type 2 diabetes, including Mounjaro, may require a prior authorization from your insurance. Your doctor’s office typically completes this process, which often includes clinical details and information about any previous treatments you’ve tried. To learn more about how this works with your specific insurance, you can call Lilly Support Services at 1-800-LillyRx.
I lost my Mounjaro savings card, what do I do? | lost-savings-card
To access a new version of your Mounjaro Savings Card, simply re-enroll on the Savings and Resources page. The process is the same as your initial activation and allows you to download or view your updated card. For further assistance, call the Mounjaro Savings Card Program at 1-844-805-5807. Governmental beneficiaries excluded, terms and conditions apply.
References
- This is based on information licensed from IQVIA: Patient Cost Disclosure (PCD) for the period October 2024 - September 2025 reflecting estimates of real-world activity. All rights reserved.
- Social Security Administration (SSA). Apply for Medicare Part D Extra Help program. https://www.ssa.gov/medicare/part-d-extra-help. Accessed November 2025.
- Medicare. Help with drug costs. https://www.medicare.gov/basics/costs/help/drug-costs. Accessed November 2025.
- Announcement of Calendar Year (CY) 2026 Medicare Advantage (MA) Capitation Rates and Part C and Part D Payment Policies. April 7, 2025. Accessed November 2025. https://www.cms.gov/files/document/2026-announcement.pdf
- What’s the Medicare Prescription Payment Plan? Accessed November 2025. What’s the Medicare Prescription Payment Plan? | Medicare
- Medicaid and Children’s Health Insurance (CHIP) overview. Medicaid and Children’s Health Insurance Program (CHIP) Overview. Accessed November 2025.
- Mounjaro Cost Information | With or Without Insurance | Mounjaro® (tirzepatide) injection. Accessed January 2026.
Side Effects & Use
What are the most common side effects of Mounjaro? | most-common-side-effects
The most common side effects reported by people taking Mounjaro were nausea, diarrhea, decreased appetite, vomiting, constipation, indigestion, and stomach (abdominal) pain. Most reports of nausea, diarrhea, and vomiting happened when increasing the dose, and these events decreased over time. Talk to your doctor if you have any side effect that bothers you or does not go away.
Select Safety Information
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Is Mounjaro safe for long-term use? | is-mounjaro-safe
If you have questions about the long-term safety of Mounjaro, it's best to talk with your healthcare provider who can provide personalized advice based on your medical history and needs.
Can Mounjaro be used with other diabetes medications? | cross-use
Mounjaro may interact with other medications so speak to your healthcare provider about personalized treatments or adding other diabetes medications to your management plan.
Mounjaro was studied in clinical trials with a variety of other diabetes medications, which your healthcare provider may discuss with you. Careful management of medication combinations is necessary to minimize risks such as low blood sugar levels (hypoglycemia). Your doctor can determine the best combination based on your individual needs and blood sugar goals.
When should Mounjaro not be used? | do-not-use
Mounjaro is an injectable prescription medicine that is used along with diet and exercise to improve blood sugar (glucose) in adults and children 10 years of age and older with type 2 diabetes mellitus.
It is not known if Mounjaro is safe and effective for use in children under 10 years of age.
Do not use Mounjaro if:
- you or any of your family have ever had a type of thyroid cancer called MTC or if you have an endocrine system condition called MEN 2.
- you have had a serious allergic reaction to it or any of its ingredients.
Before starting Mounjaro, it’s important to know if there are any situations that may make it unsafe for you. Tell your healthcare provider about all of your medical conditions and if you have concerns or think any of these situations may apply to you. See the Medication Guide for more information.
Dosing
What is the Mounjaro dosage schedule? | dosage-schedule
Mounjaro is a once-weekly injectable type 2 diabetes medication. You'll start with 2.5 mg for 4 weeks. After 4 weeks, you'll move on to 5 mg. Your doctor may continue to increase your dose beyond 5 mg depending on your diabetes management goals. Visit mounjaro.lilly.com/how-to-use-mounjaro for detailed dosage schedule information. The max dose of Mounjaro is 15 mg once-weekly in adults. The max dose of Mounjaro is 10 mg once-weekly in children 10 years of age and older.
What happens if I miss a dose of Mounjaro? | missing-a-dose
If you miss a dose of Mounjaro, you can take it as soon as you remember—as long as it's within 4 days (96 hours) of your scheduled time. If it's been more than 4 days, skip the missed dose and just take your next one on your regular day.
Never take two doses within 3 days of each other.
Always consult with your healthcare provider for assistance with your treatment plan. For more information, see mounjaro.lilly.com/how-to-use-mounjaro , the Medication Guide, or refer to the Instructions for Use (IFU) that comes with your prescription.
How do I know if I received my Mounjaro dose? | received-dose
After injecting your Mounjaro pen, you will hear two clicks:
- The first click signals that the injection has started.
- The second click confirms the full dose has been delivered.
Once the injection is complete, the gray plunger will be visible—a sign that your dose finished properly. For complete instructions and helpful visuals, refer to the Instructions for Use (IFU) that comes with your prescription or visit mounjaro.lilly.com/how-to-use-mounjaro for more information.
Understanding Mounjaro and Support
Is Mounjaro only used for type 2 diabetes? | type-2-diabetes
Mounjaro is only FDA-approved as a treatment for adults and children 10 years of age and older with type 2 diabetes to improve blood sugar control when used along with diet and exercise. It is not known if Mounjaro is safe and effective for use in children under 10 years of age.
Do people on Mounjaro lose weight? | lose-weight
Mounjaro is used along with diet and exercise to improve blood sugar control in adults and children 10 years of age and older with type 2 diabetes mellitus. While studies show that adults taking Mounjaro experienced weight loss, with weight loss ranging from 12 pounds (5 mg dose) to 25 pounds (15 mg dose), it's important to understand that Mounjaro is only approved for improving blood sugar control in adults and children 10 years of age and older with type 2 diabetes mellitus, not for weight loss.
It is not known if Mounjaro is safe and effective for use in children under 10 years of age.
Mounjaro is not a weight loss drug.
What if I stop seeing changes or progress? | changes-progress
If progress slows or plateaus over time, your doctor can help you evaluate how things are going. Mounjaro is available in multiple dose options. The max dose of Mounjaro is 15 mg once-weekly in adults. The max dose of Mounjaro is 10 mg once-weekly in children 10 years of age and older. Your provider can discuss whether a different dose may be appropriate for you.
How is Mounjaro different from other type 2 diabetes medications/treatments? | how-mounjaro-is-different
Mounjaro works differently than other type 2 diabetes medications by directly activating both GIP and GLP-1 pathways to help regulate blood sugar.
GIP=glucose-dependent insulinotropic polypeptide; GLP-1=glucagon-like peptide-1
What kind of support is available if I have questions after starting Mounjaro? | available-support
If you have questions about Mounjaro, support is available. You can talk to your healthcare provider or pharmacist, call 1-800-LillyRX (800-545-5979) for assistance, or read the FDA-approved Medication Guide that comes with your prescription.