Contact Us

Do you have questions or comments about Bayer or Bayer products? We’re happy to speak with you. Please refer to the contact information in the tabs below so that we can better direct your query.

For medical inquiries regarding prescription pharmaceutical products, such as dosage and administration, approved uses, ingredients and quality complaints.

Phone: 1-800-265-7382
Website for Healthcare Professionals:

Customer Service

Inquiries Email:


Orders and Deliveries


Phone: 1 (800) 268-1432


Trade Relations


For inquiries regarding crop protection, environmental science and seeds.

Cereals/Oilseeds/Pulse – Email
Horticulture & Row Crops – Email
Toll-Free Help desk: 1-888-283-6847
Bayer Environmental Science: 1-888-283-6847

In case of an emergency with any Crop Science product call 1-800-334-7577.

For inquiries regarding non-prescription products (such as, but not limited to, ALEVE®, Aspirin®), such as product dosage and administration, approved uses, ingredients and quality complaints.

Phone: 1-800-265-7382

Medical Information
Contrast Media Products
Phone: 1-800-265-7382

Service (i.e., MEDRAD products)
For emergency service: 1-800-633-7237
Email: (Parts and Inquiries)

Customer Service
Phone: 1-800-268-1432

Contrast and Disposables Orders
Phone: 1-800-268-1432 (Sales & Orders)

Inside Sales and Product Inquiries

If you would like to report a side effect experienced with a Bayer product, you have several options. You may:

  1. Contact your health care professional (e.g. physician or pharmacist)
  2. Report the side effect directly to Health Canada
    1. Online
    2. Or toll-free by calling 1-866-234-2345.
  3. Side effects can also be reported to Bayer Inc. by clicking on the link below:

Note: You must be 18 years of age or older to use SafeTrack. If not, please report your side effect experience with a Bayer product by calling 1-800-265-7382.

Career Opportunities
Bayer only accepts résumés submitted via our website, where all of our positions are listed. To apply for positions with Bayer in Canada, please submit your résumé here.

For registered Canadian charities who wish to submit a request for philanthropic support from Bayer, please complete an online application here.

For inquiries from members of the media who have questions about Bayer in Canada.
Phone: 905-282-5541

Bayer is committed to providing an accessible environment that respects the dignity and independence of people with disabilities.

To view Bayer‘s Statement of Commitment to creating and maintaining accessibility and an accessible environment, please click here.

For all other inquiries related to Bayer in Canada.
Email:                                                          Phone: 1-800-62BAYER (1-800-622-2937)

Mississauga Office (Pharmaceuticals, Consumer Health, Animal Health and Radiology)
Bayer Inc.
2920 Matheson Boulevard East
Mississauga, Ontario
L4W 5R6

Calgary Office (Crop Science)
Bayer CropScience Inc.
#130, 160 Quarry Park Blvd. SE
Calgary, Alberta
T2C 3G3