# A guide to defective medicinal products

Source: https://www.keypedia.com/records/uk_mhra_guidance/uk-mhra/6406842a-845a-468a-ba5d-feaa07d9011a
Type: Guidance
Published: July 21, 2005
Updated: February 16, 2026

> Reporting, investigating and recalling suspected defective medicinal products to the Defective Medicines Report Centre (DMRC).

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## Content

This guidance is on defective medicines and substances used in their manufacture or packaging which may also be defective. The guidance doesn’t cover: errors or near-miss incidents adverse drug reactions quality defects in or incidents involving medical devices quality defects in or incidents involving veterinary medicinal products

## Attachments

- [A guide to defective medicinal products](https://assets.publishing.service.gov.uk/media/698f286b43eb912f2e15b3fd/DMRC_Guide-to-Defective-Medicinal_Products-Feb2026.pdf)
- [Defective Medicines Online Reporting Form - Reference Guide ](https://assets.publishing.service.gov.uk/media/698f27f1ceeaa48d377f6b36/Defective-Medicines-Online-Reporting-Form_Reference-Guide-Feb2026.pdf)