Contact us

To report SUSPECTED ADVERSE REACTIONS, contact Rhythm Pharmaceuticals at [email protected] or call 833-789-6337 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

For U.S. medical inquiries, please email [email protected] or call 1-833-789-6337.

Additional contacts

If you are interested in speaking with a Rhythm field person, please fill out this form

Patient/caregiver information
[email protected]

Grants and giving
[email protected]

Clinical trials
[email protected]

Investors and media

Please visit our Investors and Media section

Investigator-initiated studies
[email protected]

For information related to sponsored genetic testing:
[email protected]