What is a Side Effect?
A side effect (also called an adverse reaction) is an unwanted response to a medicine. This could be:
- check_circle An expected side effect that is unusually severe
- check_circle An unexpected side effect not mentioned in the package leaflet
- check_circle A reaction that worsens with continued use of the medicine
- check_circle Any reaction you suspect may be related to your medicine
How to Report
Step 1
Visit the Yellow Card Scheme website
Step 2
Complete the online form with details of the medicine and side effect
Step 3
Submit your report - it will be reviewed by healthcare professionals
All reports are treated confidentially and contribute to ongoing drug safety monitoring.
How to Report a Side Effect
Online (Yellow Card)
Report directly online through the official Yellow Card Scheme website.
Visit Yellow Card →By Phone
Call our pharmacovigilance team to report a side effect verbally.
+44 (0) 2392 255770By Email
Submit your report via email to our quality and safety team.
info@trionhealthcare.co.ukImportant Information
Emergency: If you experience a serious allergic reaction, difficulty breathing, or chest pain, seek emergency medical attention immediately by calling 999 or visiting your nearest emergency department.
Confidentiality: All reports are treated in confidence. Your personal information will be protected according to GDPR and medical privacy regulations.
Reporting Helps: Your report contributes to the ongoing safety monitoring of medicines, helping to protect other patients and improve pharmaceutical safety.