For Medical Information on OPSYNVI® (macitentan/tadalafil), Please Contact Our Medical Information Department

Medical Information Center

Thank you for your interest in contacting Janssen. Please note that we can only provide information about products marketed within the United States, and must refer international inquiries to our affiliates.

For additional information, please contact Janssen Medical Information by using one of the following methods:

Phone: 1-800-526-7736

Email: Submit questions via


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Visit or call 1-800-FDA-1088.

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