Contact Us

2375 Waterview Drive

Northbrook, IL 60062

Phone: 1-800-727-7003

Hours: M–F, 8 AM–4:30 PM (CT)

www.astellas.com/us

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Find My MSL

Medical Science Liaisons are available to help answer your scientific questions.

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Submit an Inquiry

For any medical inquiries, please submit your question online to Astellas Medical Information or call or fax your inquiry.

Astellas Phone: 1-800-727-7003

Fax: 1-877-829-7942

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Report an Adverse Event or Product Complaint

Report adverse events and product complaints to Astellas or FDA MedWatch.

Astellas Phone: 1-800-727-7003

FDA MedWatch: 1-800-FDA-1088

Hours: M–F, 8 AM–4:30 PM (CT)