Contact us

Medical information

If you have a question about one of Lilly’s products, you can contact us via phone:

1800 4 Lilly (1800 454 559).

Guidance for using the Mounjaro® KwikPen

This form provides simple, step-by-step instructions to help you with the correct use of the Mounjaro® KwikPen. If you require further assistance, this form can also be used to lodge a request to be contacted by a member of our Lilly Product Careline.

For Patients: Click Here

For Healthcare Professionals: Click Here

Reporting an adverse event or product complaint

If you experience side effects from a Lilly product, you should talk to your doctor or other healthcare professional. This includes any possible side effects not listed in the Consumer Medicine Information (CMI).

You can report an adverse reaction by filling out our online form or contacting us on the following number: 1800 4 Lilly (1800 454 559).

Report an ethics violation

We encourage anyone, whether working for Lilly or not, to speak up about potential violations of our code of business conduct or other company policies or procedures, or any suspected violations of laws and regulations. You may report a potential ethics violation or concern by contacting the Lilly Ethics and Compliance Hotline via this website. You can find up-to-date local phone numbers for most countries, where available, and you will be prompted with instructions for submitting a report consistent with local process.

Investigator Initiated Trial (IIT) program

Click here for more information on research support.

General information

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Eli Lilly Australia

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Level 9, 60 Margaret Street
Sydney, NSW
Australia 2000
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Media enquiries

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If you are a journalist with an enquiry, please email au_media@lilly.com.
CMAT-25526 | May 2026