GLP-1 dose schedule calculator
Zepbound dosing schedule
Zepbound (tirzepatide) starts at 2.5 mg once a week for 4 weeks, then 5 mg, rising by 2.5 mg after at least 4 weeks on each dose. Maintenance is 5, 10 or 15 mg. Enter your start date to see your own dates.
Your step-up calendar
| Dose | Weeks | Dates |
|---|
This is the fastest pace the label allows. Your prescriber may keep you on a dose for longer, or decide you don't need a higher one.
This tool shows the standard label schedule for information only. It is not medical advice: follow your prescriber's instructions.
Zepbound (tirzepatide)
| Dose | Weeks | Role |
|---|---|---|
| 2.5 mg | 1–4 | Starting dose |
| 5 mg | 5+ (earliest) | Step-up; also a maintenance option |
| 7.5 mg | 9+ (earliest) | Step-up |
| 10 mg | 13+ (earliest) | Step-up; also a maintenance option |
| 12.5 mg | 17+ (earliest) | Step-up |
| 15 mg | 21+ (earliest) | Maximum |
If you miss a dose
- Mounjaro and Zepbound: take it as soon as possible within 4 days (96 hours). If more than 4 days have passed, skip it and take the next dose on your usual day.
- After two or more missed doses in a row, the Wegovy label says you may need to restart the step-up. Ask your prescriber what to do with any of these medicines.
Four weeks is a minimum
For Ozempic, Mounjaro and Zepbound the labels say to step up after at least four weeks on the current dose, and your prescriber may keep you on a dose for longer or decide you don't need a higher one. Wegovy's label sets the steps out by week, but suggests delaying an increase by four weeks if a dose isn't tolerated. Never change your dose without talking to your prescriber.
Wegovy and Ozempic are trademarks of Novo Nordisk; Mounjaro and Zepbound are trademarks of Eli Lilly. This site is not affiliated with either company. The schedules come from the US prescribing information; labels in other countries can differ.
Frequently asked questions
Is Zepbound dosed the same as Mounjaro?
The step-up is the same: 2.5 mg for 4 weeks, then 5 mg, rising by 2.5 mg after at least 4 weeks on each dose up to 15 mg. For weight reduction the label lists 5, 10 or 15 mg as maintenance doses.
How does the Mounjaro dose go up?
2.5 mg once a week for 4 weeks, then 5 mg. After at least 4 weeks on each dose it can go up by 2.5 mg at a time, to 7.5, 10, 12.5 and at most 15 mg.
Can I stay on a lower dose?
Yes, if your prescriber agrees. The step-ups are a minimum pace, and the labels say to consider response and tolerability when choosing the maintenance dose. The starting doses are not maintenance doses.
What if I miss a dose?
Mounjaro and Zepbound: within 4 days. Ozempic: within 5 days. Wegovy: only if the next dose is more than 2 days away. Otherwise skip it and keep your usual injection day.
Dose schedules by medicine
- Wegovy dosing schedule
- Ozempic dosing schedule
- Mounjaro dosing schedule
- Zepbound dosing schedule
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