tirzepatide · weekly injection

Mounjaro dose schedule

US label revised 8/2026 · Checked 31 October 2026

Quick answer

Mounjaro (tirzepatide) is injected once a week. The label starts at 2.5 mg. If more blood sugar control is needed, the dose goes up 2.5 mg at a time, each after at least 4 weeks on the dose before, to at most 15 mg.

Mounjaro titration schedule

For type 2 diabetes, and other uses on its label.

Earliest week for each dose, from the first injection

  1. 2.5 mg Week 1
  2. 5 mg Week 5
  3. 7.5 mg Week 9
  4. 10 mg Week 13
  5. 12.5 mg Week 17
  6. 15 mg Week 21
  • Starting dose
  • A dose the label allows staying on
  • Dashed ring: only if the prescriber steps up
When Weekly dose From the label
Week 1 2.5 mg Starting dose
Week 5 5 mg At the earliest, if needed
Week 9 7.5 mg At the earliest, if needed
Week 13 10 mg At the earliest, if needed
Week 17 12.5 mg At the earliest, if needed
Week 21 15 mg At the earliest, if needed; the highest dose

The label doesn’t name one ongoing dose: the dose goes up only if more blood sugar control is needed, so any of the doses can be the one someone stays on. 15 mg is the highest dose on the label.

Good to know

  • Each increase is 2.5 mg, after at least 4 weeks on the dose before, and only if more blood sugar control is needed.

If a dose is missed

Take it as soon as possible within 4 days (96 hours). After more than 4 days, skip it and take the next one on the usual day.

Changing the dose day

Can change, as long as doses are at least 3 days (72 hours) apart.

Log your Mounjaro doses in Gliplog

  • Pick a strength from Mounjaro’s label in a tap
  • Log each dose and see when the next one is due
  • See an estimate of the medicine in your body between doses
  • Free, private, and offline. Nothing leaves your device.

Open Gliplog

Questions about Mounjaro dosing

What is the starting dose of Mounjaro?

The label starts Mounjaro at 2.5 mg once a week.

When does the Mounjaro dose go up?

If more blood sugar control is needed, the label increases the dose in 2.5 mg steps, each after at least 4 weeks on the current dose.

What is the highest dose of Mounjaro?

15 mg once a week, according to the label.

What if I miss a Mounjaro dose?

The label says to take it as soon as possible within 4 days (96 hours). After more than 4 days, skip it and take the next dose on the usual day.

Other dosing schedules

Source: MOUNJARO (tirzepatide) US prescribing information, section 2 (revised 8/2026). Not medical advice; Gliplog never recommends a dose. Ask your prescriber or pharmacist.