EMD Serono, Canada
Merck KGaA, Darmstadt, Germany
Merck KGaA, Darmstadt, Germany

Contact Us

For Canadian Residents Only
EMD Serono, Canada
Head office
2695 North Sheridan Way, Suite 200
Mississauga, ON L5K 2N6
We are committed to helping you find the right answers to your questions. To direct your question to the appropriate individual, please choose the best option below.
In case of medical emergency, please contact your physician immediately.
I'm a Consumer or Patient
For questions about your treatment, or to report a side effect (adverse drug event) or product complaints, contact our Momentum Patient Support Program:
  • Fertility: 1-800-387-8479
  • Neurodegenerative Diseases (Rebif): 1-888-677-3243
  • Endocrinology (Saizen): 1-877-724-9361

You can also directly report any suspected adverse reactions to drugs and other health products to the Canada Vigilance Program by visiting the Reporting Adverse Reactions to Drugs and Other Health Products page .
I'm a Healthcare Professional  
For questions about orders, logistics and distribution, please call 1-800-387-9749.
For Medical Information about our therapies, please call 905-919-0200 or 1-888-737-6668.
Or, email us.
I'm a Job Seeker
Click here to learn more about available roles at EMD Serono and create a profile to be considered for career opportunities.
I'm a Member of the Media
Click here to visit our Media page