Medical Information Service

Please note that our opening hours are Monday to Friday, between 08:30-16:30 (Eastern Time). In case of an emergency, please seek immediate medical assistance or call 911. In case of an accidental ingestion, you can also contact your regional poison control center. The following link is for the American Association of Poison Control Centers, which can help you find the telephone number of a poison control center in your area: www.aapcc.org.
You may also reach them by telephone at 1-800-222-1222.

You are welcome to either fill up our form below or call our Medical Information toll free number at: 1 855 722-7734.

Medical Information service available in English only

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Contact info

We look forward to hearing from you and welcome your questions:

Duchesnay USA: 919 Conestoga Road
Building One, Suite 203
Rosemont, PA 19010
Phone: (484) 380-2641
Toll Free: 1-888-559-2188
Fax: (484) 380-2658
This email address is being protected from spambots. You need JavaScript enabled to view it.
Mail order pharmacy (Transition Pharmacy): Phone: (844) 716-4663
Fax: (844) 375-3010
Grant Requests: For more information, click here
Medical Information: To reach our medical information service, click here
Media inquiries: This email address is being protected from spambots. You need JavaScript enabled to view it.
Business Development: This email address is being protected from spambots. You need JavaScript enabled to view it.
Canadian affiliate: Duchesnay Inc.
950, boul. Michèle-Bohec
Blainville QC Canada J7C 5E2
Phone: (450) 433-7734 / 1 (877) 833-7734
Fax: (450) 433-2211 / 1 (888) 588-8508