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How to Store Mounjaro KwikPens: A Quick and Essential Guide

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, 4 min read

How to Store Mounjaro KwikPens: A Quick and Essential Guide

Managing type 2 diabetes and weight can be a significant challenge for many. Mounjaro, an innovative medication, has emerged as a vital tool in this ongoing battle. Its role in helping individuals achieve better control over their blood sugar levels and weight management cannot be overstated. However, like any medication, the efficacy and safety of Mounjaro hinge on proper storage. This guide is designed to provide you with essential information on how to store Mounjaro KwikPens, ensuring they remain effective and safe for use.

Storing Unused Mounjaro KwikPens

When it comes to unused Mounjaro KwikPens, the key is refrigeration. These pens must be kept in the refrigerator at a temperature range between 2°C to 8°C (36°F to 46°F). It's also crucial to check the expiration date printed on both the pen and the carton. Under no circumstances should you use a pen past its expiration date. Moreover, Mounjaro KwikPens should never be frozen. If a pen accidentally freezes, it's imperative to dispose of it properly, as freezing can compromise the medication's integrity. Read more about Mounjaro side effects here.

How Long Can Mounjaro Be Out of the Fridge

Once you've taken the first dose from a Mounjaro KwikPen, the storage requirements change slightly. Mounjaro can be stored at room temperature, up to 30°C (86°F), for a maximum of 30 days once it has been removed from the refrigerator. After this period, if the pen has not been used, it should be discarded. It's important to remember that Mounjaro pens should not be exposed to extreme temperatures or direct sunlight during this time to maintain their efficacy.

Read more: Is Mounjaro Better Than Wegovy?

Important Considerations

  • Needle Safety: Always remove the needle after each use. Storing the pen with a needle attached can compromise safety and hygiene. Used needles should be disposed of in a dedicated sharps container to avoid injury or contamination.
  • Visual Inspection: Before administering a dose, inspect the pen carefully. Check for any damage to the pen itself, as well as the appearance of the medication. The medicine should not be cloudy, discoloured, or contain particles. Any of these signs can indicate that the medication is compromised and should not be used.
  • Travel Concerns: If you're planning to travel with Mounjaro, consult with your healthcare provider or pharmacist ahead of time. They can offer advice on how to store your medication properly during your travels, such as using insulated bags to maintain the correct temperature.
  • Manufacturer's Instructions: For the most accurate and up-to-date storage instructions, always refer to the official Mounjaro patient information leaflet or the manufacturer's website. This will ensure that you are following the best practices for storing your medication. 
How does Mounjaro work infographic

Additional Tips

  • Storage Location: For unused pens, select a storage spot in the refrigerator that is both convenient and easily accessible. This can help prevent accidental freezing or exposure to inappropriate temperatures.
  • Reminders: Setting reminders to discard in-use pens after 30 days can be a helpful way to ensure you're always using the medication safely and effectively.
  • Questions: Should you have any inquiries or concerns regarding the storage of Mounjaro KwikPens, please reach out to an eMed healthcare professional for guidance. If you are not currently enrolled in the eMed Weight Management Programme, we strongly encourage you to seek advice from your healthcare provider to receive tailored assistance and support.


Proper storage of Mounjaro KwikPens is crucial to maintaining their effectiveness and safety. By following the guidelines outlined above for both unused and in-use pens, you can ensure that your medication remains a reliable tool in managing type 2 diabetes and weight. Remember, when in doubt, always refer to the manufacturer's instructions and consult your healthcare professional for advice specific to your situation.

Read moe: Where Can I Buy Mounjaro in the UK


  • Electronic Medicines Compendium (eMC). (2023). Mounjaro KwikPen: Patient Information Leaflet. Available at:
  • National Institute for Health and Care Excellence (NICE). (2023). Technology Appraisal Guidance TA924: [Title of the Guidance on Mounjaro]. Available at:

The information provided is for educational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Seek the advice of a doctor with any questions you may have regarding a medical condition. Never delay seeking or disregard professional medical advice because of something you have read here.

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