Contact Us

General Inquiries

To get in touch with a Merck Canada employee, contact our Canadian head office. Here is how you can reach us:

Merck Canada Inc.
16750 Trans-Canada Highway
Kirkland, Quebec, H9H 4M7

Phone: 514-428-7920
Toll free phone: 1-800-361-7031

For more information about charitable contributions / donations support or to submit a request, please click here. Only applications submitted online will be considered.

For Merck Animal Health, please visit: www.merck-animal-health.ca

Customer Support

To reach our Customer Support Center:

 Email: montreal.orderdesk@merck.com
Phone: 1‑800‑463‑7251
Ordering Portal: merckorders.ca

To reach our Accounts Receivable:

 Email: collectionscanada@merck.com
Phone: 1 866-463-7251

Media Requests

Journalists who have general media inquiries about Merck Canada or our products should contact our Media Centre:

 Email: mediacanada@merck.com
Phone: 1-833-90MERCK (1-833-906-3725)

Patient Support Programs

Merck Canada offers a number of patient support programs designed to help patients by providing services and secure access to the treatment prescribed by their Healthcare Professional. These programs are available to eligible patients through their Healthcare Professional. To confirm eligibility, patients should contact their Healthcare Professional.

Merck DIFICID® Program (co-pay card): DIFFICID®(fidaxomicin)
Monday to Friday from 8am to 9pm ET
Saturday: 11am to 4pm ET
Website: https://www.rxhelpone.ca
Email: questions@rxhelp.ca
Tel: : 1-866-RxHelp4 (1-866-794-3574)

Medical Information Centre

Canadian Healthcare Professionals

Ask A Medical Question
For medical questions about a Merck product, please contact our Medical Information Centre:

 Website: www.askmerck.ca
 Email: medinfocanada@merck.com
Phone: 1-800-567-2594 ext. 2
Hours: Monday to Friday from 8:30 am to 4:30 pm Eastern Time, excluding holidays.

If you are reaching us after hours, please leave a message and someone will get back to you the next business day, depending on the nature of your query.

Find a Safety Data Sheet
Safety Data Sheets for Merck products are available at:
www.merck.com under Products, Safety Data Sheets (SDS).

Obtain Product Samples
Canadian healthcare professionals who would like to obtain product samples should contact:
 Email: medinfocanada@merck.com
Phone: 1-800-567-2594ext. 3

Report an Adverse Event or Product Quality Complaint

Canadian healthcare professionals and patients are encouraged to report adverse events (side effects) or product quality complaints involving Merck prescription products, vaccines, or medical devices.

To report an adverse event or product quality complaint, please contact our Medical Information Centre:

 Website: www.askmerck.ca
 Email: medinfocanada@merck.com
Phone: 1-800-567-2594 ext. 2
Hours: Monday to Friday from 8:30 am to 4:30 pm ET, excluding holidays.

If you are reaching us after hours, please leave a message and someone will get back to you the next business day, depending on the nature of your query.

Request Product Stability Inquiries

Canadian healthcare professionals who have product stability inquiries:

For a Merck vaccine: submit the stability inquiry online using the “Temperature Stability Calculator” available at www.askmerck.ca

Online, you will need to enter the details of the temperature excursion for each vaccine involved. The “Temperature Stability Calculator” will conduct the assessment promptly, and you will have the option to download the results for this specific evaluation directly from the portal.

For a Merck product (other than vaccines): submit the stability inquiry by contacting us at:
Website: www.askmerck.ca
Email: medinfocanada@merck.com
Phone:1-800-567-2594 ext. 2
Hours: Monday to Friday from 8:30 am to 4:30 pm ET, excluding holidays. 

Storage and stability information on a Merck prescription product, vaccine, or medical device is available in the product monograph at:

Patients & Consumers

If you have any questions regarding your therapy or require more detailed information about a Merck product, we recommend you contact your physician, pharmacist, nurse or other qualified healthcare professional, as we cannot provide medical advice to patients. Your healthcare professional is the best source of information regarding your health.

Information about Merck products is available at:

Merck.ca