Mounjaro and dosing

Your dose, step by step.

Gradual increases give your body time to adjust. Do not increase the dose simply because the scale has not changed for one week.

Six Mounjaro pens in 2.5, 5, 7.5, 10, 12.5, and 15 mg strengths
Six Mounjaro pen strengths.The strengths are 2.5, 5, 7.5, 10, 12.5, and 15 mg. Each pen contains four weekly doses of the same strength. Your doctor chooses the right strength for you.
2.5mg
A different pen strength

Starting dose, 4 weeks

Its purpose is to help your body adjust and reduce side effects. It is not a maintenance dose.

5mg
A different pen strength

Usual next dose

After at least 4 weeks, if the starting dose is well tolerated.

7.5mg
A different pen strength

Available when needed

Do not increase if nausea, vomiting, or constipation is troublesome.

10mg
A different pen strength

Available when needed

Stay on it if it works well. You do not need to move higher.

12.5mg
A different pen strength

Available when needed

Used after reviewing appetite, weight change, and side effects with your doctor.

15mg
A different pen strength

Highest available dose

Used only if needed and well tolerated.

The golden rule

Start with 2.5 mg once weekly for 4 weeks, then 5 mg. Any later increase is by 2.5 mg after at least 4 weeks and in agreement with your doctor.

If you miss a dose or change the day

Count from your usual dose time

≤ 4 days

Take the dose

Take it when you remember, then return to your usual day, keeping at least 3 days between doses.

> 4 days

Skip the dose

Do not replace or double it. Take the next dose on your usual day.

If you have missed more than one dose, contact your doctor before restarting. You may need to restart at a lower dose.
The multi-dose pen

Four full doses, not five

You can look at the transparent medicine chamber, but rely on the dose counter and the pen instructions.

A full Mounjaro KwikPen followed by medicine levels after each of four doses
1

After dose 1

About 3 doses remain.

2

After dose 2

About 2 doses remain.

3

After dose 3

About 1 dose remains.

4

After dose 4

A small amount may remain, but it is not a fifth dose.

Do not withdraw the remainder with a syringe.
The small amount left after dose four is not a guaranteed fifth dose.
How to inject

Seven calm, safe steps

1

Check

Confirm the name, strength, expiry date, and that the medicine is clear.

2

Attach a new needle

Do not leave the needle attached between doses.

3

Prime the pen

Follow your pen instructions before every dose.

4

Set the dose

Turn the knob until a full dose appears.

5

Choose the site

Use the abdomen, thigh, or upper arm.

6

Inject and wait

Press and hold until the counter finishes, following the leaflet.

7

Dispose of the needle

Use a rigid sharps container, and never share the pen.

Mounjaro injection under the skin of the abdomen
Rotate the spot each week

Avoid the navel and inflamed or bruised skin. Do not inject into muscle.

Storage

Protect the pen from heat and freezing

2–8°C

Before use

Keep refrigerated in the original carton, away from light.

×

If frozen

Do not use it, and do not place it directly against ice when travelling.

30°C

After first use

Keep below 30°C for up to 30 days.

In the car

Never leave it in a hot car or in direct sunlight.