Mounjaro Dosage 2026: Complete Dosing Chart, Schedule & Titration Guide
Complete guide to Mounjaro dosage. 2.5-15 mg weekly, titration schedule, injection instructions, missed dose guide, storage, and costs from $147/mo.
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Mounjaro dosage: Complete guide
Mounjaro (tirzepatide) follows a gradual titration schedule to minimize side effects and maximize results. The dose starts at 2.5 mg weekly and increases every 4 weeks up to the 15 mg maintenance dose. Mounjaro is FDA-approved for type 2 diabetes but produces approximately 22.5% average weight loss — the most of any GLP-1 medication. This guide covers the complete Mounjaro dosing schedule, injection instructions, and everything you need to know.
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Mounjaro dosing schedule
| Week | Dose | Purpose |
|---|---|---|
| Weeks 1-4 | 2.5 mg | Initiation |
| Weeks 5-8 | 5 mg | Escalation |
| Weeks 9-12 | 7.5 mg | Therapeutic dose |
| Weeks 13-16 | 10 mg | Continued escalation |
| Weeks 17-20 | 12.5 mg | Near-maximum dose |
| Week 21+ | 15 mg | Full maintenance dose |
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How to inject Mounjaro
- Choose your injection site — Abdomen (2+ inches from navel), thigh, or upper arm
- Rotate sites — Different site each week
- Clean the site — Alcohol swab, let dry
- Inject — Place pen against skin, press button, hold 5-10 seconds
- Dispose safely — Sharps container
See our injections guide.
What to do if you miss a dose
- Less than 4 days late: Take it as soon as you remember
- More than 4 days late: Skip and take next dose on schedule
- Never take two doses at once
- If you miss 2+ weeks, contact your provider
Mounjaro storage
- Before first use: Refrigerator (36-46°F / 2-8°C)
- After first use: Room temperature (59-86°F) for up to 21 days, or refrigerated
- Do not freeze
- Protect from light
Mounjaro vs Zepbound vs Wegovy dosing
| Feature | Mounjaro | Zepbound | Wegovy |
|---|---|---|---|
| Active ingredient | Tirzepatide | Tirzepatide | Semaglutide |
| Indication | Diabetes | Weight loss | Weight loss |
| Max dose | 15 mg | 15 mg | 2.4 mg |
| Weight loss | 22.5% | 22.5% | 15% |
| Frequency | Weekly | Weekly | Weekly |
See our tirzepatide dosage guide and Zepbound dosage guide.
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FAQ
What is the standard Mounjaro dosage?
Starts at 2.5 mg weekly, increases every 4 weeks to 5, 7.5, 10, 12.5, and 15 mg maintenance dose. Full titration takes 20-24 weeks.
What is the maximum Mounjaro dose?
15 mg weekly. Produces ~22.5% average weight loss. Highest FDA-approved tirzepatide dose.
How often do you take Mounjaro?
Once weekly as a subcutaneous injection. Same day each week. Any time of day, with or without food.
How long to reach the full dose?
20-24 weeks. Dose increases every 4 weeks: 2.5 → 5 → 7.5 → 10 → 12.5 → 15 mg.
What happens if I miss a dose?
Less than 4 days late: take ASAP. More than 4 days: skip and resume schedule. Never take two doses at once.
How do you inject Mounjaro?
Subcutaneous injection in abdomen, thigh, or upper arm. Pre-filled pen. Rotate sites weekly. Virtually painless.
Is Mounjaro dosing the same as Zepbound?
Yes. Both contain tirzepatide and use the same 2.5-15 mg schedule. Difference: Mounjaro for diabetes, Zepbound for weight loss.
Can I increase my Mounjaro dose faster?
No. Faster titration increases risk of severe side effects. Always follow your provider's schedule.
Related articles
- Mounjaro Weight Loss
- Tirzepatide Dosage Guide
- Zepbound Dosage Guide
- GLP-1 Dosage Guide
- GLP-1 Injections Guide
- Zepbound Weight Loss
- Tirzepatide Cost Guide
- Best Weight Loss Medication 2026
Medical disclaimer: This content is for informational purposes only and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any medication or weight-loss program.
Affiliate disclosure: This article contains affiliate links. We may earn a commission if you sign up through them, at no extra cost to you. This is a paid partnership. GLP-1 medications are prescription products requiring a physician consultation — not everyone qualifies, and results vary.
Lose 15-22% body weight — GLP-1s from $147/month
Compounded semaglutide & tirzepatide prescribed online by US-licensed providers. No insurance needed — medication shipped to your door in 3-5 days.
See if I qualify — Free consultationFrom $147/month · No insurance needed · Ships nationwide in 3-5 days · Paid partnership · Results vary
Doctor-backed GLP-1 weight loss from $147/month
Compounded semaglutide & tirzepatide. Online consultation with a US-licensed provider. No insurance needed.
Paid partnership · Prescription product · Not everyone qualifies · Results vary
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