Contact Us

At Amphastar Pharmaceuticals, we welcome your questions, comments and requests.

Jason Shandell
President and Director
1-909-980-9484

General Corporate Inquiry
Amphastar Pharmaceuticals, Inc.
11570 6th Street
Rancho Cucamonga, CA 91730
1-800-423-4136
info@amphastar.com

Customer Service
1-800-423-4136 (Option 2)
info@amphastar.com

Drug Safety/Medical Information
To report adverse events or product complaints, or for medical information inquiries, please call:
1-800-423-4136 (Option 2)
drugsafety@amphastar.com

 

Copyright ©2020 Amphastar Pharmaceuticals, Inc.

Privacy      Terms & Conditions

This site is intended for residents of the United States