When to use yellow card?

When Should You Use the Yellow Card Scheme?

If you’re a healthcare professional or a member of the public in the UK and come across a problem with a medicine or medical device, the Yellow Card Scheme is the go-to system for reporting it. But knowing when to use it can make a real difference to public safety.

The scheme, run by the Medicines and Healthcare products Regulatory Agency (MHRA), is designed to collect reports of suspected side effects, faults, or safety concerns. A key moment to file a Yellow Card report is when you encounter a defective medicine—one that appears damaged, discoloured, or simply doesn’t look right. Even if it’s just a single faulty batch, reporting it helps authorities track and act fast.

Another critical reason to use the Yellow Card is if you suspect a falsified or fake product. This includes counterfeit medicines or medical devices that are deliberately mislabelled or sold as genuine but aren’t. These pose serious health risks and are a growing concern, especially with the rise of online pharmacies. Whether it’s a suspicious-looking tablet or a device with poor build quality, your report could prevent harm to others.

It’s also important to report problems with e-cigarettes and vaping products. While these are often seen as alternatives to smoking, they are still medical or consumer devices and can malfunction or cause adverse reactions—especially in younger users.

You don’t need to be certain a product caused an issue to report it; suspicion is enough. The system is designed to catch patterns early. Reports can be made quickly online via the Yellow Card website, and they’re anonymous if preferred. Every report adds to the bigger picture of patient safety across the UK.