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Report a side effect

If you are a health professional and have a patient who experienced a suspected side effect to one of our products, please report this using one of the communication channels below:   

Email: send the completed yellow form to 

Phone: contact our pharmacovigilance department directly on +32 3 808 67 00 

Online: complete the online form below 

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We advise patients to contact their health care provider to report the experienced side effect. As a patient, you can also report such an incident directly using the online form below. 

Every report will be processed anonymously and reported to the competent authorities in accordance with the applicable legislation.