Reporting side effects
If you think you have had a side effect from a medicine, you can report it to the MHRA through the Yellow Card scheme.
- Updated August 2026
- Clinical review pending
- 1 source
At a glance
- Anyone can report a suspected side effect to the MHRA.
- Reporting helps monitor the safety of medicines in the UK.
On this page (2 sections)
Overview
The Yellow Card scheme, run by the Medicines and Healthcare products Regulatory Agency (MHRA), lets you report suspected side effects from medicines, as well as problems with vaccines and medical devices [1].
How to report
Anyone — patients, carers and health professionals — can submit a Yellow Card report online. Reports help the MHRA monitor the safety of medicines and act if needed [1].
Sources
- MHRA. Yellow Card scheme — report a suspected side effect (opens in new tab) Accessed 12 August 2026.
About this page
- Written by
- Consumer Health editorial team
- Medical review
- Pending — this page has not yet been reviewed by a named clinician. Read our medical review policy.
- Last updated
- August 2026
- Next review due
- August 2027
Important: This information is for general guidance only and does not replace professional medical advice. It is not intended to diagnose or treat any condition. Always speak to a qualified healthcare professional — such as your GP or pharmacist — for advice about your individual circumstances, and do not start, stop or change any prescribed treatment based only on this page. If you think you are having a medical emergency, call 999. Consumer Health is an independent health-information resource and is not the NHS or a government body.
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