Medical Information provides responses to inquiries from healthcare professionals, consumers, payers and managed healthcare organizations related to the usage, efficacy, and safety of Impax’s products.

For scientific, technical information or to report an Adverse Event or Product Complaint please contact:

Phone: (877) 99-Impax (46729), option 2
Phone: (510) 240-6450, option 2
Impax Laboratories
31047 Genstar Road
Hayward, CA 94544
Attention: Medical Affairs

Follow link below for the Impax Adverse Event and Product Complaint Report Form:

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit, or call (800) FDA-1088.