Bayer Biological Products welcomes your questions and would very much like to hear from you.

Do not use the contact information on this website for medical emergencies. For medical emergencies dial 911, or contact your healthcare professional.

For clinical and technical information or to report an adverse drug event involving a Bayer biological product, please contact Bayer Clinical Communications at 1-800-288-8371.

For customer service, contact Bayer Biological Products USA Customer Service during regular business hours, 8:00 a.m. to 5:00 p.m. Eastern Standard Time, at 1-800-243-4153.

To submit questions and comments that are not related to an adverse event, please input your contact information in the following form. Please be assured that personal information submitted in this form will be kept confidential and will only be used to respond to your request.