Balversa (erdafitinib)

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Thank you for your interest in contacting Janssen Biotech, Inc. Please note that we can only provide information about products marketed within the United States and will refer international inquiries to our affiliates. For additional information, please contact Janssen Medical Information by using one of the following methods:

Phone

1-800-JANSSEN (1-800-526-7736)
Monday-Friday, 9 am - 8 pm ET

Email

Submit questions via www.askjanssenmedicalinformation.com.

Mail

Janssen Scientific Affairs, LLC
PO Box 200
Titusville, NJ 08560

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JanssenMD

For scientific information on our products, please visit JanssenMD®.

You are encouraged to report negative side effects of prescription drugs to the FDA.

You may report side effects to the FDA at 1‑800‑FDA‑1088 or by visiting www.fda.gov/medwatch.

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