Mounjaro

MOUNJARO PRE-FILLED PEN

What is Mounjaro

• Mounjaro is a weight loss injecting drug
• Contains the active ingredient Tirzepatide
• Tirzepatide works by activating 2 receptors (GLP1 and GIP) to increase the levels of hormone in your body making you feel fuller for longer after a meal
• The dosage is a Once a week self-injecting pen
• Each pen has 4 dosages
• Studies have shown upto 22.5% weight loss in patients
• Patients must have a BMI of 30kg/m2 or more, or of at least 27kg/m2 and have a risk factor or a health condition that is affected by weight
• Mounjaro is injected under the skin of the thigh, abdomen, or upper arm.
• Dosage increments are increased every 4 weeks, the starting dose will be 2.5mg

How long does it take to see effects

• Mounjaro starts to work within a few hours of your first injection, however to see weight loss effects this may take a few weeks
• If your weight has not decreased by 5% in the first 6 months of using mounjaro, we may stop your medication

Mounjaro Pen

• Each Pen is loaded with 4 fixed doses of 0.6mls
• Each week you are to inject a dosage of 0.6mls into your skin
• Upon receiveing the pen follow the instructions given to you by your pharmacist or the information leaflet given

Dosage

• Mounjaro is available in 6 strengths2.5mg5.0mg7.5mg10.0mg12.5mg15.0mg
• Each strength is given each week for 4 weeks
• Depending on how your respond, you can stay at this dosage or increase the dosage in a 2.5mg step wise approach
• Missed doses: If a dose is missed, it should be administered as soon as possible and within 4 days after the missed dose. If more than 4 days have passed, the missed dose should be omitted and the next dose should be administered as planned. Patients can then resume their regular once weekly schedule.
• If more doses are missed, consider reducing the dose to re-initiate treatment.
• The day of weekly administration can be changed if necessary as long as the time between two doses is at least 3 days (>72 hours).
• After selecting a new dosing day, once-weekly dosing should be continued

More Information

• You will not be charged until you have completed the consultation and the pharmacist has confirmed the service is suitable
• Ask in store for more details

Mounjaro Price Guide

The starting dose of Mounjaro is 2.5mg, depending on the response of the individual a step-up dose is required when moving up stregnths.

Prices have been updated from 1st September 2025