Contact
Contact Us
For questions or to request for information, please contact us.
Ionis Pharmaceuticals, Inc.
2855 Gazelle Court Carlsbad, CA 92010
Telephone:
760-931-9200
Information request
Adverse Event Reporting:
To report an Adverse Event or safety concern with use of an Ionis product, please call (800) 491-2664. If you are experiencing a medical emergency, please dial emergency services such as 911 or 112. For any other assistance, please call our Corporate Headquarters: (760) 931-9200