Skip to Content Skip to Search

Contact us

The GSK Web site is not intended to give investment advice, promote the use of GSK products or provide information on which to base medical treatment. If you have questions regarding your use of any GSK products, please consult your healthcare provider as they are the best source of information regarding your health.

Our offices

Canadian Head Office

7333 Mississauga Road
Mississauga, Ontario
L5N 6L4
Tel: 905-819-3000

Bureau d'affaires du Québec

245 Boulevard Armand-Frappier
Laval, Québec
H7V 4A7
Canada
Tel: 450-978-4599

GSK Pharmaceutical inquiries

Consumer Healthcare product inquiries

Media Inquiries

Stiefel (a GSK Company) dermatological products and vaccine inquiries

Reporting an Adverse Event

At GSK Canada, we take the safety of our patients and consumers very seriously.

Your own health care professional is the best source of information regarding your health. If you need to report an adverse event for any GSK product, please call:

Prescription, Stiefel (a GSK Company) dermatological products and vaccine: 1-800-387-7374.

Consumer Healthcare products: 1-800-250-8866.

More information


Accessibility for Ontarians with Disabilities

GSK Accessibility for Ontarians with Disabilities Contact Accessibility for Ontarians with Disabilities

For assistance with AODA, please contact the Customer Service Team at 1-800-387-7374 or via email at cacsu@gsk.com.

Please access the Feedback form online (DOCX - 51 KB). Once completed, kindly email it to cacsu@gsk.com.