Coronavirus Yellow Card reporting site
More information about why to report, what to report, and the information you need to provide to make a report can be found in the About this site page.
Can’t find what you are looking for? You can report on any other medicines, vaccines, devices, defective or falsified products (including fake coronavirus testing kits) via the Yellow Card website.
Vaccines are the most effective way to prevent infectious diseases and they save millions of lives worldwide. Like all medicines, vaccines can cause side effects. Most of these are mild and short-term, and not everyone gets them.
MHRA is responsible for continuously monitoring the safety of all medicines and vaccines once they are approved for use.
We have published a report summarising information received via the Yellow Card scheme which will be published regularly to include other safety investigations carried out by the MHRA under the COVID-19 Vaccine Surveillance Strategy.
More information on the possible side effects of Covid-19 vaccinations is available on the NHS website.
Safety updatesSee all safety updates
Where to go for medical advice
We are unable to provide you with medical advice. However, we encourage you to speak to your doctor, pharmacist or to call NHS 111 if you are worried about your health.
Please do not stop taking your medicine without first seeking advice from your doctor or pharmacist.
Visit Coronavirus (COVID-19): what you need to do to find out the government response to coronavirus.
Ventilator incident reporting
A dedicated phone line is available to report specifically for ventilators and respiratory support.
Call 0800 731 6789 for free between 9am and 5pm, Monday to Friday.
Outside of these hours please leave a message with your name and number, including as much information as you can about the device including the manufacturer's name. One of our team will get back to you.