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Eli Lilly and Company Limited

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Lilly House

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Basingstoke
Hampshire
RG21 4FA
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8 Arlington Square West

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Downshire Way
Bracknell
Berkshire
RG12 1PU
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01256 315000
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Medical information email:
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Report an adverse event, product complaint or 
counterfeit product

If you experience side effects after taking a Lilly medicine, talk to your doctor or other healthcare professional. This includes any possible side effects not listed in the package leaflet. By reporting side effects, you can help provide information on the safety of medicines. See the Yellow Card website or search for MHRA Yellow Card in the Google Play or Apple App Store for how to report side effects.

To report an adverse event, side effect or product complaint with a Lilly product or suspected counterfeit product, please call 01256 315000 or email us at UKMedInfo@Lilly.com

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Medical information

Lilly’s medical information resources are available to answer questions about our medicines, products and services, and for reporting side effects, product complaints and suspected counterfeit products.

Medical information cannot provide medical advice and individuals with questions on personal medical matters should always talk to their doctor or other healthcare professional.

The Medical Information team can also help connect healthcare professionals with our customer-focused teams. Lilly's Medical Science Liaisons serve as a resource for in-depth medical or scientific information for healthcare professionals and can discuss clinical areas of focus or research interests with healthcare professionals.

Information for Healthcare Professionals only:

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Request contact with a representative

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Visit our Lilly Medical Website

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Report an ethics violation or concern

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Lilly pension plan members

If you are a member of the Eli Lilly Group Pension Plan you can access information online at the MyReward site. For new users or existing Plan members needing assistance, please call the Plan helpline on 0330 123 9591 (opening hours Monday to Friday, 9am to 5pm).
CMAT-17495 May 2026