Short Description
Mounjaro 5mg/0.5mL Injection contains tirzepatide, a medicine that acts on two gut hormone pathways to help manage blood sugar in adults with type 2 diabetes. It belongs to a class of medicines known as GIP/GLP-1 receptor agonists and is generally used alongside diet and exercise as part of an ongoing diabetes treatment plan.
What Is Mounjaro 5mg/0.5mL?
This injection contains tirzepatide, a once-weekly medicine that activates two hormone receptors involved in blood sugar regulation: GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1). It belongs to a newer class of injectable medicines used in the management of type 2 diabetes.
Mounjaro is generally prescribed as an addition to diet and exercise to help improve blood sugar control in adults with type 2 diabetes. Your doctor will confirm whether this medicine is appropriate based on your individual health needs and local prescribing guidelines.
Uses
Mounjaro 5mg/0.5mL may be prescribed to:
Support blood sugar (glycemic) management in adults with type 2 diabetes, alongside diet and exercise
Support other aspects of diabetes care, where appropriate, as determined by a healthcare professional
Approved uses can vary between markets, and the appropriate treatment goal for this medicine should be confirmed by a healthcare professional based on individual blood sugar targets and medical history.
How Does Mounjaro Work?
Mounjaro works by mimicking two natural gut hormones, GIP and GLP-1, which are released after eating. These hormones help the pancreas release insulin when blood sugar is high, reduce the amount of sugar released by the liver, and slow down how quickly food leaves the stomach. Together, these effects help lower blood sugar levels and can also reduce appetite.
Because it targets two hormone pathways rather than one, tirzepatide is generally considered a dual-action approach to blood sugar management. Improvements in blood sugar control typically develop gradually over the weeks following the start of treatment, as the dose is adjusted by a healthcare professional.
How to Take Mounjaro
Take Mounjaro exactly as prescribed by your healthcare professional.
Injected once weekly, on the same day each week
Can be taken at any time of day, with or without food
Injected under the skin (subcutaneously) into the abdomen, thigh, or upper arm, rotating the injection site with each dose
If you need to change your weekly injection day, make sure at least 3 days have passed since your last dose
Do not stop or change your treatment or dose without speaking to your doctor first, as blood sugar control may be affected
If you miss a dose, take it as soon as possible within 4 days (96 hours); if more than 4 days have passed, skip the missed dose and resume your regular weekly schedule at the next planned dose
Important Safety Information
Before taking this medicine, tell your doctor or pharmacist about your full medical history and all medicines, supplements, and herbal products you use, including those bought without a prescription.
Do not use this medicine if you have:
A personal or family history of medullary thyroid carcinoma (MTC), or if you have Multiple Endocrine Neoplasia syndrome type 2 (MEN 2)
A history of serious hypersensitivity reaction to tirzepatide or any ingredient in this product
Caution is generally advised in people with:
A history of pancreatitis or gallbladder disease
Diabetic retinopathy
Significant gastrointestinal conditions, including delayed stomach emptying (gastroparesis)
The following categories of medicines may interact with Mounjaro:
Insulin and other medicines that lower blood sugar, which may increase the risk of low blood sugar (hypoglycemia) when combined
Other GLP-1 receptor agonists or tirzepatide-containing products, which should not be used together
Oral medicines in general, as Mounjaro can slow stomach emptying and affect how other medicines are absorbed
This is not a complete list of interactions. Always check possible interactions with your doctor or pharmacist.
Pregnancy & Breastfeeding
Mounjaro is generally not recommended during pregnancy, as its effects on a developing baby have not been established, and it is generally advised to stop treatment if pregnancy is planned or confirmed. It is also generally advised to speak with your doctor before breastfeeding while using this medicine, as it is not known whether tirzepatide passes into breast milk. Recommendations may vary depending on individual circumstances, so speak with your doctor or pharmacist if you are pregnant, planning a pregnancy, or breastfeeding.
Side Effects
Like all medicines, Mounjaro can cause side effects, although not everyone experiences them.
Common side effects may include:
Nausea, vomiting, or diarrhea
Reduced appetite
Constipation
Stomach pain or indigestion
Injection site reactions
Seek prompt medical attention if you experience symptoms of pancreatitis (severe, persistent stomach pain, sometimes with vomiting), signs of gallbladder problems (pain in the upper right abdomen, fever, yellowing of the skin or eyes), or symptoms of a possible thyroid tumor (a lump or swelling in the neck, hoarseness, or difficulty swallowing).
This is not a complete list of side effects or warnings. Please refer to the product packaging and patient information leaflet supplied with your medicine for complete information and speak with your doctor or pharmacist if you have concerns.
Storage
Store Mounjaro according to the instructions shown on the original product packaging.
Store in the original carton to protect from light
Do not freeze; do not use if the medicine has been frozen
Refrigeration is generally required until first use, with limited room-temperature storage permitted for a defined period — check your product packaging for the exact timeframe
Keep out of reach of children
Do not use after the expiry date printed on the packaging